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Liu D, Liang X, Yin X, Yang Y, Wang G, Wang M, Que W. Modulation of Photoinduced Phase Segregation and Stress-Driven Nanoscale Cracking in Hybrid Halide Perovskite Solar Cells. ACS Appl Mater Interfaces 2024. [PMID: 38669566 DOI: 10.1021/acsami.4c00292] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/28/2024]
Abstract
The negative effect of photoinduced halide segregation (PIHS) on the properties of hybrid halide perovskites poses a major obstacle for its future commercial application. Therefore, the in-depth understanding of halide-ion segregation and its causes is an urgent and intractable problem. When PIHS reaches a certain threshold, it will aggravate the deterioration of the film surface morphology and form nanoscale cracks. Herein, the formation mechanism and types of cracks are revealed by exploring the stress distribution in the film. Using the femtosecond time-resolved transient absorption spectroscopy, the ultrafast formation of the iodine rich phase is observed, which appears earlier than the bromine rich phase. In addition, the introduction of organic ligand didodecyldimethylammonium bromide can significantly inhibit PIHS and improve the surface morphology of the film, which can promote the device efficiency from 9.63 to 11.20%. This work provides a novel perspective for the exploration of the PIHS.
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Affiliation(s)
- Dan Liu
- Electronic Materials Research Laboratory, Key Laboratory of the Ministry of Education & International Center for Dielectric Research, Shaanxi Engineering Research Center of Advanced Energy Materials and Devices, School of Electronic Science and Engineering, Xi'an Jiaotong University, Xi'an 710049, Shaanxi, P. R. China
| | - Xuanming Liang
- Department of Engineering Mechanics, SVL and MMML, Xi'an Jiaotong University, Xi'an 710049, Shaanxi, P. R. China
| | - Xingtian Yin
- Electronic Materials Research Laboratory, Key Laboratory of the Ministry of Education & International Center for Dielectric Research, Shaanxi Engineering Research Center of Advanced Energy Materials and Devices, School of Electronic Science and Engineering, Xi'an Jiaotong University, Xi'an 710049, Shaanxi, P. R. China
| | - Yawei Yang
- Electronic Materials Research Laboratory, Key Laboratory of the Ministry of Education & International Center for Dielectric Research, Shaanxi Engineering Research Center of Advanced Energy Materials and Devices, School of Electronic Science and Engineering, Xi'an Jiaotong University, Xi'an 710049, Shaanxi, P. R. China
| | - Gangfeng Wang
- Department of Engineering Mechanics, SVL and MMML, Xi'an Jiaotong University, Xi'an 710049, Shaanxi, P. R. China
| | - Mengrui Wang
- Department of Engineering Mechanics, SVL and MMML, Xi'an Jiaotong University, Xi'an 710049, Shaanxi, P. R. China
| | - Wenxiu Que
- Electronic Materials Research Laboratory, Key Laboratory of the Ministry of Education & International Center for Dielectric Research, Shaanxi Engineering Research Center of Advanced Energy Materials and Devices, School of Electronic Science and Engineering, Xi'an Jiaotong University, Xi'an 710049, Shaanxi, P. R. China
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2
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Park K, Tan S, Kodalle T, Lee DK, Abdelsamie M, Park JS, Lee JH, Jung SK, Ko JH, Park NG, Sutter-Fella CM, Yang Y, Lee JW. Atmospheric Humidity Underlies Irreproducibility of Formamidinium Lead Iodide Perovskites. Adv Mater 2024; 36:e2307265. [PMID: 38126918 DOI: 10.1002/adma.202307265] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Revised: 12/06/2023] [Indexed: 12/23/2023]
Abstract
Metal halide perovskite solar cells (PSCs) are infamous for their batch-to-batch and lab-to-lab irreproducibility in terms of stability and performance. Reproducible fabrication of PSCs is a critical requirement for market viability and practical commercialization. PSC irreproducibility plagues all levels of the community; from institutional research laboratories, start-up companies, to large established corporations. In this work, the critical function of atmospheric humidity to regulate the crystallization and stabilization of formamidinium lead triiodide (FAPbI3) perovskites is unraveled. It is demonstrated that the humidity content during processing induces profound variations in perovskite stoichiometry, thermodynamic stability, and optoelectronic quality. Almost counterintuitively, it is shown that the presence of humidity is perhaps indispensable to reproduce phase-stable and efficient FAPbI3-based PSCs.
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Affiliation(s)
- Keonwoo Park
- Department of Nano Engineering and Department of Nano Science and Technology, SKKU Advanced Institute of Nanotechnology (SAINT), Sungkyunkwan University, Suwon, 16419, Republic of Korea
| | - Shaun Tan
- Department of Material Science and Engineering, University of California Los Angeles, Los Angeles, CA, 90095, USA
| | - Tim Kodalle
- Molecular Foundry, Lawrence Berkeley National Laboratory, Berkeley, CA, 94720, USA
| | - Do-Kyoung Lee
- School of Chemical Engineering, Sungkyunkwan University, Suwon, 16419, Republic of Korea
| | - Maged Abdelsamie
- Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA, 94720, USA
| | - Ji-Sang Park
- Department of Nano Engineering and Department of Nano Science and Technology, SKKU Advanced Institute of Nanotechnology (SAINT), Sungkyunkwan University, Suwon, 16419, Republic of Korea
| | - Joo-Hong Lee
- Department of Nano Engineering and Department of Nano Science and Technology, SKKU Advanced Institute of Nanotechnology (SAINT), Sungkyunkwan University, Suwon, 16419, Republic of Korea
| | - Sung-Kwang Jung
- Department of Nano Engineering and Department of Nano Science and Technology, SKKU Advanced Institute of Nanotechnology (SAINT), Sungkyunkwan University, Suwon, 16419, Republic of Korea
| | - Jeong Hoon Ko
- Arnold and Mabel Beckman Laboratory of Chemical Synthesis, Division of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, CA, 91125, USA
| | - Nam-Gyu Park
- School of Chemical Engineering, Sungkyunkwan University, Suwon, 16419, Republic of Korea
| | | | - Yang Yang
- Department of Material Science and Engineering, University of California Los Angeles, Los Angeles, CA, 90095, USA
| | - Jin-Wook Lee
- Department of Nano Engineering and Department of Nano Science and Technology, SKKU Advanced Institute of Nanotechnology (SAINT), Sungkyunkwan University, Suwon, 16419, Republic of Korea
- SKKU Institute of Energy Science & Technology (SIEST), Sungkyunkwan University, Suwon, 16419, Republic of Korea
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Lu X, Xin D, Lei L, Fan Z, Dong S, Tie S, Yuan R, Lin P, Zhu J, Zheng X. High-Performance Flat-Panel Perovskite X-ray Detectors Enabled by Defect Passivation in Ruddlesden-Popper Perovskites. ACS Appl Mater Interfaces 2024; 16:14006-14014. [PMID: 38450480 DOI: 10.1021/acsami.4c00232] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/08/2024]
Abstract
Halide perovskites have emerged as promising candidates in X-ray detection due to their strong X-ray absorption and excellent optoelectronic properties. The development of sensitive and stable flat-panel X-ray detectors with high resolution is crucial for practical applications. In this paper, we introduce a novel flat-panel X-ray detector that integrates quasi-two-dimensional (2D) Ruddlesden-Popper (RP) perovskite with a pixeled thin film transistor (TFT) backplane. We incorporate 2,5-dibromopyrimidine (DBPM) as an additive to passivate the Lewis acid defects in the quasi-2D RP perovskite. This modification results in suppressed ion migration, improved optoelectronic performance, and enhanced operational stability of the device. Impressively, the activation energy of the RP perovskite increases from 0.96 to 1.35 eV with the DBPM additive. As a result, X-ray detectors exhibit a high sensitivity of ∼13,600 μC Gyair-1 cm-2, a low detection limit of 6.56 nGyair s-1, and excellent operational stability. Moreover, the flat-panel detectors demonstrate a high spatial resolution of 3.7 line pairs per millimeter and excellent X-ray imaging properties under a remarkably low X-ray dose of ∼50 μGyair, which is just half of the X-ray dose typically used in commercial equipment. This study opens new avenues for the development of flat-panel perovskite X-ray detectors with significant potential for various applications.
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Affiliation(s)
- Xiaojuan Lu
- Department of Materials Science, Sichuan University, Chengdu 610064, China
- Sichuan Research Center of New Materials, Institute of Chemical Materials, China Academy of Engineering Physics, Chengdu 610200, China
| | - Deyu Xin
- Department of Materials Science, Sichuan University, Chengdu 610064, China
- Sichuan Research Center of New Materials, Institute of Chemical Materials, China Academy of Engineering Physics, Chengdu 610200, China
| | - Lin Lei
- Institute of Materials, China Academy of Engineering Physics, Jiangyou 621908, China
| | - Zhenghui Fan
- Sichuan Research Center of New Materials, Institute of Chemical Materials, China Academy of Engineering Physics, Chengdu 610200, China
| | - Siyin Dong
- Sichuan Research Center of New Materials, Institute of Chemical Materials, China Academy of Engineering Physics, Chengdu 610200, China
| | - Shujie Tie
- Department of Materials Science, Sichuan University, Chengdu 610064, China
- Sichuan Research Center of New Materials, Institute of Chemical Materials, China Academy of Engineering Physics, Chengdu 610200, China
| | - Ruihan Yuan
- Sichuan Research Center of New Materials, Institute of Chemical Materials, China Academy of Engineering Physics, Chengdu 610200, China
| | - Pu'an Lin
- Sichuan Research Center of New Materials, Institute of Chemical Materials, China Academy of Engineering Physics, Chengdu 610200, China
| | - Jianguo Zhu
- Department of Materials Science, Sichuan University, Chengdu 610064, China
| | - Xiaojia Zheng
- Sichuan Research Center of New Materials, Institute of Chemical Materials, China Academy of Engineering Physics, Chengdu 610200, China
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4
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Lee J, Kumar A, Tüysüz H. Solar-Light-Driven Photocatalytic Oxidative Coupling of Phenol Derivatives over Bismuth-Based Porous Metal Halide Perovskites. Angew Chem Int Ed Engl 2024:e202404496. [PMID: 38501354 DOI: 10.1002/anie.202404496] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2024] [Revised: 03/13/2024] [Accepted: 03/18/2024] [Indexed: 03/20/2024]
Abstract
The selective oxidative coupling of phenol derivatives, involving carbon-carbon (C-C) and carbon-oxygen (C-O) bond formation, has emerged as a critical approach in the synthesis of natural products. However, achieving precise control over the selectivity in coupling reactions of unsubstituted phenols utilizing solar light as the driving force remains a big challenge. In this study, we report a series of porous Cs3Bi2X9 (X=Cl, Br, I) photocatalysts with tailored band gaps and compositions engineered for efficient solar-light-driven oxidative phenol coupling. Notably, p-Cs3Bi2Br9 exhibited about 73 % selectivity for C-C coupling, displaying a high formation rate of 47.3 μmol gcat -1 h-1 under solar radiation. Furthermore, this approach enables control of the site-selectivity for phenol derivatives on Cs3Bi2X9, enhancing C-C coupling. The distinctive porous structure and appropriate band-edge positions of Cs3Bi2Br9 facilitated efficient charge separation, and surface interaction/activation of phenolic hydroxyl groups, resulting in the kinetically preferred formation of C-C over C-O bond. Mechanistic insights into the reaction pathway, supported by comprehensive control experiments, unveiled the crucial role of interfacial charge transfers and Lewis acid Bi sites in stabilizing phenolic intermediates, thereby directing the regioselectivity of diradical couplings and resulting in the formation of unsymmetrical biphenols.
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Affiliation(s)
- Jinsun Lee
- Department of Heterogeneous Catalysis, Max-Planck-Institut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, 45470, Mülheim an der Ruhr, Germany
| | - Ashwani Kumar
- Department of Heterogeneous Catalysis, Max-Planck-Institut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, 45470, Mülheim an der Ruhr, Germany
| | - Harun Tüysüz
- Department of Heterogeneous Catalysis, Max-Planck-Institut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, 45470, Mülheim an der Ruhr, Germany
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5
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Park J, Huh S, Choi YW, Kang D, Kim M, Kim D, Park S, Choi HJ, Kim C, Yi Y. Visualizing the Low-Energy Electronic Structure of Prototypical Hybrid Halide Perovskite through Clear Band Measurements. ACS Nano 2024; 18:7570-7579. [PMID: 38377437 DOI: 10.1021/acsnano.3c12587] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/22/2024]
Abstract
Organic-inorganic hybrid perovskites (OIHPs) are a promising class of materials that rival conventional semiconductors in various optoelectronic applications. However, unraveling the precise nature of their low-energy electronic structures continues to pose a significant challenge, primarily due to the absence of clear band measurements. Here, we investigate the low-energy electronic structure of CH3NH3PbI3 (MAPI3) using angle-resolved photoelectron spectroscopy combined with ab initio density functional theory. We successfully visualize the electronic structure of MAPI3 near the bulk valence band maximum by using a laboratory photon source (He Iα, 21.2 eV) at low temperature and explore its fundamental properties. The observed valence band exhibits a highly isotropic and parabolic band characterized by small effective masses of 0.20-0.21 me, without notable spectral signatures associated with a large polaron or the Rashba effect, subjects that are intensely debated in the literature. Concurrently, our spin-resolved measurements directly disprove the giant Rashba scenario previously suggested in a similar perovskite compound by establishing an upper limit for the Rashba parameter (αR) of 0.28 eV Å. Our results unveil the unusually complex nature of the low-energy electronic structure of OIHPs, thereby advancing our fundamental understanding of this important class of materials.
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Affiliation(s)
- Jeehong Park
- Department of Physics, Yonsei University, Seoul 03722, Republic of Korea
- Van der Waals Materials Research Center, Yonsei University, Seoul 03722, Republic of Korea
| | - Soonsang Huh
- Department of Physics, Yonsei University, Seoul 03722, Republic of Korea
- Center for Correlated Electron System, Institute for Basic Science (IBS), Seoul 08826, Republic of Korea
| | - Young Woo Choi
- Department of Physics, Yonsei University, Seoul 03722, Republic of Korea
- Van der Waals Materials Research Center, Yonsei University, Seoul 03722, Republic of Korea
| | - Donghee Kang
- Department of Physics, Yonsei University, Seoul 03722, Republic of Korea
- Van der Waals Materials Research Center, Yonsei University, Seoul 03722, Republic of Korea
| | - Minsoo Kim
- Center for Correlated Electron System, Institute for Basic Science (IBS), Seoul 08826, Republic of Korea
- Department of Physics and Astronomy, Seoul National University (SNU), Seoul 08826, Republic of Korea
| | - Donghan Kim
- Center for Correlated Electron System, Institute for Basic Science (IBS), Seoul 08826, Republic of Korea
- Department of Physics and Astronomy, Seoul National University (SNU), Seoul 08826, Republic of Korea
| | - Soohyung Park
- Advanced Analysis Center, Korea Institute of Science and Technology (KIST), Seoul 02792, Republic of Korea
| | - Hyoung Joon Choi
- Department of Physics, Yonsei University, Seoul 03722, Republic of Korea
- Van der Waals Materials Research Center, Yonsei University, Seoul 03722, Republic of Korea
| | - Changyoung Kim
- Center for Correlated Electron System, Institute for Basic Science (IBS), Seoul 08826, Republic of Korea
- Department of Physics and Astronomy, Seoul National University (SNU), Seoul 08826, Republic of Korea
| | - Yeonjin Yi
- Department of Physics, Yonsei University, Seoul 03722, Republic of Korea
- Van der Waals Materials Research Center, Yonsei University, Seoul 03722, Republic of Korea
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6
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Dai J, Roshan H, De Franco M, Goldoni L, De Boni F, Xi J, Yuan F, Dong H, Wu Z, Di Stasio F, Manna L. Partial Ligand Stripping from CsPbBr 3 Nanocrystals Improves Their Performance in Light-Emitting Diodes. ACS Appl Mater Interfaces 2024; 16:11627-11636. [PMID: 38381521 DOI: 10.1021/acsami.3c15201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/23/2024]
Abstract
Halide perovskite nanocrystals (NCs), specifically CsPbBr3, have attracted considerable interest due to their remarkable optical properties for optoelectronic devices. To achieve high-efficiency light-emitting diodes (LEDs) based on CsPbBr3 nanocrystals (NCs), it is crucial to optimize both their photoluminescence quantum yield (PLQY) and carrier transport properties when they are deposited to form films on substrates. While the exchange of native ligands with didodecyl dimethylammonium bromide (DDAB) ligand pairs has been successful in boosting their PLQY, dense DDAB coverage on the surface of NCs should impede carrier transport and limit device efficiency. Following our previous work, here, we use oleyl phosphonic acid (OLPA) as a selective stripping agent to remove a fraction of DDAB from the NC surface and demonstrate that such stripping enhances carrier transport while maintaining a high PLQY. Through systematic optimization of OLPA dosage, we significantly improve the performance of CsPbBr3 LEDs, achieving a maximum external quantum efficiency (EQE) of 15.1% at 516 nm and a maximum brightness of 5931 cd m-2. These findings underscore the potential of controlled ligand stripping to enhance the performance of CsPbBr3 NC-based optoelectronic devices.
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Affiliation(s)
- Jinfei Dai
- Key Laboratory for Physical Electronics and Devices of the Ministry of Education & Shaanxi Key Lab of Information Photonic Technique, School of Electronic Science and Engineering, Xi'an Jiaotong University, Xi'an 710049, China
- Nanochemistry, Istituto Italiano di Tecnologia, Via Morego 30, Genova 16163, Italy
| | - Hossein Roshan
- Photonic Nanomaterials, Istituto Italiano di Tecnologia, Via Morego 30, Genova 16163, Italy
| | - Manuela De Franco
- Photonic Nanomaterials, Istituto Italiano di Tecnologia, Via Morego 30, Genova 16163, Italy
- Università degli Studi di Genova, Via Dodecaneso 31, 16146Genova, Italy
| | - Luca Goldoni
- Materials Characterization Facility, Istituto Italiano di Tecnologia, Via Morego 30, Genova 16163, Italy
| | - Francesco De Boni
- Materials Characterization Facility, Istituto Italiano di Tecnologia, Via Morego 30, Genova 16163, Italy
| | - Jun Xi
- Key Laboratory for Physical Electronics and Devices of the Ministry of Education & Shaanxi Key Lab of Information Photonic Technique, School of Electronic Science and Engineering, Xi'an Jiaotong University, Xi'an 710049, China
| | - Fang Yuan
- Key Laboratory for Physical Electronics and Devices of the Ministry of Education & Shaanxi Key Lab of Information Photonic Technique, School of Electronic Science and Engineering, Xi'an Jiaotong University, Xi'an 710049, China
| | - Hua Dong
- Key Laboratory for Physical Electronics and Devices of the Ministry of Education & Shaanxi Key Lab of Information Photonic Technique, School of Electronic Science and Engineering, Xi'an Jiaotong University, Xi'an 710049, China
| | - Zhaoxin Wu
- Key Laboratory for Physical Electronics and Devices of the Ministry of Education & Shaanxi Key Lab of Information Photonic Technique, School of Electronic Science and Engineering, Xi'an Jiaotong University, Xi'an 710049, China
| | - Francesco Di Stasio
- Photonic Nanomaterials, Istituto Italiano di Tecnologia, Via Morego 30, Genova 16163, Italy
| | - Liberato Manna
- Nanochemistry, Istituto Italiano di Tecnologia, Via Morego 30, Genova 16163, Italy
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7
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Li H, Han K, Li Z, Yue H, Fu X, Wang X, Xia Z, Song S, Feng J, Zhang H. Multiple Energy Transfer Channels in Rare Earth Doped Multi-Exciton Emissive Perovskites. Adv Sci (Weinh) 2024; 11:e2307354. [PMID: 38126595 PMCID: PMC10916588 DOI: 10.1002/advs.202307354] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Revised: 11/15/2023] [Indexed: 12/23/2023]
Abstract
Revealing the energy transfer (ET) process from excitons to rare earth ions in halide perovskites has great guiding value for designing optoelectronic materials. Here, the multiple ET channels in multi-exciton emissive Sb3+ /Nd3+ co-doped Cs2 ZrCl6 are explored to comprehend the ET processes. Förster-Dexter ET theory reveals that the sensitizer concentration rather than the overlap integral of the spectra plays the leading function in the comparison of the ET efficiency among multiple ET channels from the host self-trapped excitons (STEs) and dopant triplet STEs to Nd3+ ions. Besides, Sb3+ /Nd3+ co-doped Cs2 ZrCl6 enables varied color delivery and has great potential as anti-counterfeiting material. Under X-ray irradiation, Sb3+ /Nd3+ co-doped Cs2 ZrCl6 presents a high light yield of ≈13300 photons MeV-1 and promising X-ray imaging ability. This work provides new insight for investigating the ET efficiency among multiple ET processes and presents great potentiality of multi-exciton emissive perovskites in the fields of anti-counterfeiting and X-ray imaging.
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Affiliation(s)
- Huwei Li
- State Key Laboratory of Rare Earth Resource UtilizationChangchun Institute of Applied ChemistryChinese Academy of SciencesChangchunJilin130022China
- State Key Laboratory of Inorganic Synthesis and Preparative ChemistryCollege of ChemistryJilin UniversityChangchunJilin130012China
| | - Kai Han
- State Key Laboratory of Luminescent Materials and DevicesSchool of Physics and OptoelectronicsSouth China University of TechnologyGuangzhouGuangdong510641China
| | - Zheyu Li
- State Key Laboratory of Rare Earth Resource UtilizationChangchun Institute of Applied ChemistryChinese Academy of SciencesChangchunJilin130022China
- School of Applied Chemistry and EngineeringUniversity of Science and Technology of ChinaHefeiAnhui230026China
| | - Hongxia Yue
- State Key Laboratory of Rare Earth Resource UtilizationChangchun Institute of Applied ChemistryChinese Academy of SciencesChangchunJilin130022China
- School of Applied Chemistry and EngineeringUniversity of Science and Technology of ChinaHefeiAnhui230026China
| | - Xinyu Fu
- State Key Laboratory of Rare Earth Resource UtilizationChangchun Institute of Applied ChemistryChinese Academy of SciencesChangchunJilin130022China
- School of Applied Chemistry and EngineeringUniversity of Science and Technology of ChinaHefeiAnhui230026China
| | - Xinyu Wang
- State Key Laboratory of Rare Earth Resource UtilizationChangchun Institute of Applied ChemistryChinese Academy of SciencesChangchunJilin130022China
| | - Zhiguo Xia
- State Key Laboratory of Luminescent Materials and DevicesSchool of Physics and OptoelectronicsSouth China University of TechnologyGuangzhouGuangdong510641China
| | - Shuyan Song
- State Key Laboratory of Rare Earth Resource UtilizationChangchun Institute of Applied ChemistryChinese Academy of SciencesChangchunJilin130022China
- School of Applied Chemistry and EngineeringUniversity of Science and Technology of ChinaHefeiAnhui230026China
| | - Jing Feng
- State Key Laboratory of Rare Earth Resource UtilizationChangchun Institute of Applied ChemistryChinese Academy of SciencesChangchunJilin130022China
- School of Applied Chemistry and EngineeringUniversity of Science and Technology of ChinaHefeiAnhui230026China
| | - Hongjie Zhang
- State Key Laboratory of Rare Earth Resource UtilizationChangchun Institute of Applied ChemistryChinese Academy of SciencesChangchunJilin130022China
- State Key Laboratory of Inorganic Synthesis and Preparative ChemistryCollege of ChemistryJilin UniversityChangchunJilin130012China
- School of Applied Chemistry and EngineeringUniversity of Science and Technology of ChinaHefeiAnhui230026China
- Department of ChemistryTsinghua UniversityBeijing100084China
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8
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Mehra S, Pandey R, Madan J, Sharma R, Goswami L, Gupta G, Singh VN, Srivastava AK, Sharma SN. Experimental and Theoretical Investigations of MAPbX 3 -Based Perovskites (X=Cl, Br, I) for Photovoltaic Applications. ChemistryOpen 2024; 13:e202300055. [PMID: 37874015 PMCID: PMC10962479 DOI: 10.1002/open.202300055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Revised: 09/22/2023] [Indexed: 10/25/2023] Open
Abstract
This work mainly focuses on synthesizing and evaluating the efficiency of methylammonium lead halide-based perovskite (MAPbX3 ; X=Cl, Br, I) solar cells. We used the colloidal Hot-injection method (HIM) to synthesize MAPbX3 (X=Cl, Br, I) perovskites using the specific precursors and organic solvents under ambient conditions. We studied the structural, morphological and optical properties of MAPbX3 perovskites using XRD, FESEM, TEM, UV-Vis, PL and TRPL (time-resolved photoluminescence) characterization techniques. The particle size and morphology of these perovskites vary with respect to the halide variation. The MAPbI3 perovskite possesses a low band gap and low carrier lifetime but delivers the highest PCE among other halide perovskite samples, making it a promising candidate for solar cell technology. To further enrich the investigations, the conversion efficiency of the MAPbX3 perovskites has been evaluated through extensive device simulations. Here, the optical constants, band gap energy and carrier lifetime of MAPbX3 were used for simulating three different perovskite solar cells, namely I, Cl or Br halide-based perovskite solar cells. MAPbI3 , MAPbBr3 and MAPbCl3 absorber layer-based devices showed ~13.7 %, 6.9 % and 5.0 % conversion efficiency. The correlation between the experimental and SCAPS simulation data for HIM-synthesized MAPBX3 -based perovskites has been reported for the first time.
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Affiliation(s)
- Sonali Mehra
- CSIR–National Physical LaboratoryDr K. S. Krishann RoadNew DelhiIndia110012
- AcSIR–Academy of Scientific and Innovative ResearchGhaziabadIndia201002
| | - Rahul Pandey
- VLSI Centre of ExcellenceChitkara University Institute of Engineering and TechnologyChitkara UniversityPunjabIndia
| | - Jaya Madan
- VLSI Centre of ExcellenceChitkara University Institute of Engineering and TechnologyChitkara UniversityPunjabIndia
| | - Rajnish Sharma
- VLSI Centre of ExcellenceChitkara University Institute of Engineering and TechnologyChitkara UniversityPunjabIndia
| | - Lalit Goswami
- CSIR–National Physical LaboratoryDr K. S. Krishann RoadNew DelhiIndia110012
| | - Govind Gupta
- CSIR–National Physical LaboratoryDr K. S. Krishann RoadNew DelhiIndia110012
- AcSIR–Academy of Scientific and Innovative ResearchGhaziabadIndia201002
| | - Vidya Nand Singh
- CSIR–National Physical LaboratoryDr K. S. Krishann RoadNew DelhiIndia110012
- AcSIR–Academy of Scientific and Innovative ResearchGhaziabadIndia201002
| | - Avanish Kumar Srivastava
- CSIR–National Physical LaboratoryDr K. S. Krishann RoadNew DelhiIndia110012
- CSIR–Advanced Materials and Processes Research InstituteBhopalMadhya PradeshIndia462026
| | - Shailesh Narain Sharma
- CSIR–National Physical LaboratoryDr K. S. Krishann RoadNew DelhiIndia110012
- AcSIR–Academy of Scientific and Innovative ResearchGhaziabadIndia201002
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9
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Minussi FB, Silva RM, Araújo EB. Composition-Property Relations for GA x FA y MA 1- x - y PbI 3 Perovskites. Small 2024; 20:e2305054. [PMID: 37803390 DOI: 10.1002/smll.202305054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 09/21/2023] [Indexed: 10/08/2023]
Abstract
Halide perovskites are materials for diverse optoelectronic applications owing to a combination of factors, including their compositional flexibility. A major source of this diversity of compositions comes from the use of mixed organic cations in the A-site of such compounds to form solid solutions. Many organic cations are possible for this purpose. Although significant progress is made over years of intensive research, the determination of systematic relationships between the compositions and properties of halide perovskites is not exploited accordingly. Using the MAPbI3 prototype, a wide range of compositions substituted by formamidinium (FA+ ) and guanidinium (GA+ ) cations are studied. From a detailed collection of experimental data and results reported in the literature, heat maps correlating the composition of GAx FAy MA1- x - y PbI3 solid solutions with phase transition temperatures, dielectric permittivity, and activation energies are constructed. Considering the characteristics of organic cations, namely their sizes, dipole moments, and the number of N─H bonds, it is possible to interpret the heat maps as consequences of these characteristics. This work brings a systematization of how obtaining specific properties of halide perovskites might be possible by customizing the characteristics of the A-site organic cations.
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Affiliation(s)
- Fernando Brondani Minussi
- Department of Physics and Chemistry, São Paulo State University, Ilha Solteira, SP, 15385-000, Brazil
| | - Rogério Marcos Silva
- Department of Electrical Engineering, São Paulo State University, Ilha Solteira, SP, 15385-000, Brazil
| | - Eudes Borges Araújo
- Department of Physics and Chemistry, São Paulo State University, Ilha Solteira, SP, 15385-000, Brazil
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10
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Dudipala KR, Le TH, Nie W, Hoye RLZ. Halide Perovskites and Their Derivatives for Efficient, High-Resolution Direct Radiation Detection: Design Strategies and Applications. Adv Mater 2024; 36:e2304523. [PMID: 37726105 DOI: 10.1002/adma.202304523] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/13/2023] [Revised: 09/03/2023] [Indexed: 09/21/2023]
Abstract
The past decade has witnessed a rapid rise in the performance of optoelectronic devices based on lead-halide perovskites (LHPs). The large mobility-lifetime products and defect tolerance of these materials, essential for optoelectronics, also make them well-suited for radiation detectors, especially given the heavy elements present, which is essential for strong X-ray and γ-ray attenuation. Over the past decade, LHP thick films, wafers, and single crystals have given rise to direct radiation detectors that have outperformed incumbent technologies in terms of sensitivity (reported values up to 3.5 × 106 µC Gyair -1 cm-2 ), limit of detection (directly measured values down to 1.5 nGyair s-1 ), along with competitive energy and imaging resolution at room temperature. At the same time, lead-free perovskite-inspired materials (e.g., methylammonium bismuth iodide), which have underperformed in solar cells, have recently matched and, in some areas (e.g., in polarization stability), surpassed the performance of LHP detectors. These advances open up opportunities to achieve devices for safer medical imaging, as well as more effective non-invasive analysis for security, nuclear safety, or product inspection applications. Herein, the principles behind the rapid rises in performance of LHP and perovskite-inspired material detectors, and how their properties and performance link with critical applications in non-invasive diagnostics are discussed. The key strategies to engineer the performance of these materials, and the important challenges to overcome to commercialize these new technologies are also discussed.
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Affiliation(s)
| | - Thanh-Hai Le
- Center for Integrated Nanotechnologies, Los Alamos National Laboratory, Los Alamos, NM, 87545, USA
| | - Wanyi Nie
- Center for Integrated Nanotechnologies, Los Alamos National Laboratory, Los Alamos, NM, 87545, USA
| | - Robert L Z Hoye
- Inorganic Chemistry Laboratory, University of Oxford, Oxford, OX1 3QR, UK
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11
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Feng J, Mak CH, Yu L, Han B, Shen HH, Santoso SP, Yuan M, Li FF, Song H, Colmenares JC, Hsu HY. Structural Modification Strategies, Interfacial Charge-Carrier Dynamics, and Solar Energy Conversion Applications of Organic-Inorganic Halide Perovskite Photocatalysts. Small Methods 2024; 8:e2300429. [PMID: 37381684 DOI: 10.1002/smtd.202300429] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2023] [Revised: 05/17/2023] [Indexed: 06/30/2023]
Abstract
Over the past few decades, organic-inorganic halide perovskites (OIHPs) as novel photocatalyst materials have attracted intensive attention for an impressive variety of photocatalytic applications due to their excellent photophysical (chemical) properties. Regarding practical application and future commercialization, the air-water stability and photocatalytic performance of OIHPs need to be further improved. Accordingly, studying modification strategies and interfacial interaction mechanisms is crucial. In this review, the current progress in the development and photocatalytic fundamentals of OIHPs is summarized. Furthermore, the structural modification strategies of OIHPs, including dimensionality control, heterojunction design, encapsulation techniques, and so on for the enhancement of charge-carrier transfer and the enlargement of long-term stability, are elucidated. Subsequently, the interfacial mechanisms and charge-carrier dynamics of OIHPs during the photocatalytic process are systematically specified and classified via diverse photophysical and electrochemical characterization methods, such as time-resolved photoluminescence measurements, ultrafast transient absorption spectroscopy, electrochemical impedance spectroscopy measurements, transient photocurrent densities, and so forth. Eventually, various photocatalytic applications of OIHPs, including hydrogen evolution, CO2 reduction, pollutant degradation, and photocatalytic conversion of organic matter.
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Affiliation(s)
- Jianpei Feng
- School of Energy and Environment & Department of Materials Science and Engineering & Centre for Functional Photonics (CFP), City University of Hong Kong, Kowloon Tong, Hong Kong, 999077, China
- Shenzhen Research Institute of City University of Hong Kong, Shenzhen, 518057, P. R. China
| | - Chun Hong Mak
- School of Energy and Environment & Department of Materials Science and Engineering & Centre for Functional Photonics (CFP), City University of Hong Kong, Kowloon Tong, Hong Kong, 999077, China
- Shenzhen Research Institute of City University of Hong Kong, Shenzhen, 518057, P. R. China
| | - Li Yu
- School of Energy and Environment & Department of Materials Science and Engineering & Centre for Functional Photonics (CFP), City University of Hong Kong, Kowloon Tong, Hong Kong, 999077, China
- Shenzhen Research Institute of City University of Hong Kong, Shenzhen, 518057, P. R. China
- Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, Institute of Environmental Research at Greater Bay, Guangzhou University, Guangzhou, Guangdong, 510006, P. R. China
| | - Bin Han
- Materials Institute of Atomic and Molecular Science, Shaanxi University of Science and Technology, Xi'an, 710021, P. R. China
| | - Hsin-Hui Shen
- Department of Materials Science and Engineering, Faculty of Engineering, Monash University, Clayton, Victoria, 3800, Australia
| | - Shella Permatasari Santoso
- Chemical Engineering Department, Faculty of Engineering, Widya Mandala Surabaya Catholic University, Surabaya, East Java, 60114, Indonesia
| | - Mingjian Yuan
- Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Renewable Energy Conversion and Storage Center (RECAST), College of Chemistry, Nankai University, Tianjin, 300071, P. R. China
| | - Fang-Fang Li
- School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, Hubei, 430074, P. R. China
| | - Haisheng Song
- Wuhan National Laboratory for Optoelectronics (WNLO) and School of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan, Hubei, 430074, P. R. China
| | | | - Hsien-Yi Hsu
- School of Energy and Environment & Department of Materials Science and Engineering & Centre for Functional Photonics (CFP), City University of Hong Kong, Kowloon Tong, Hong Kong, 999077, China
- Shenzhen Research Institute of City University of Hong Kong, Shenzhen, 518057, P. R. China
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12
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Yantara N, Ng SE, Sharma D, Zhou B, Sun PSV, Chua HM, Jamaludin NF, Basu A, Mathews N. Ion-Mediated Recombination Dynamics in Perovskite-Based Memory Light-Emitting Diodes for Neuromorphic Control Systems. Adv Mater 2024; 36:e2305857. [PMID: 37640560 DOI: 10.1002/adma.202305857] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/17/2023] [Revised: 08/03/2023] [Indexed: 08/31/2023]
Abstract
Neuromorphic devices can help perform memory-heavy tasks more efficiently due to the co-localization of memory and computing. In biological systems, fast dynamics are necessary for rapid communication, while slow dynamics aid in the amplification of signals over noise and regulatory processes such as adaptation- such dual dynamics are key for neuromorphic control systems. Halide perovskites exhibit much more complex phenomena than conventional semiconductors due to their coupled ionic, electronic, and optical properties which result in modulatable drift, diffusion of ions, carriers, and radiative recombination dynamics. This is exploited to engineer a dual-emitter tandem device with the requisite dual slow-fast dynamics. Here, a perovskite-organic tandem light-emitting diode (LED) capable of modulating its emission spectrum and intensity owing to the ion-mediated recombination zone modulation between the green-emitting quasi-2D perovskite layer and the red-emitting organic layer is introduced. Frequency-dependent response and high dynamic range memory of emission intensity and spectra in a LED are demonstrated. Utilizing the emissive read-out, image contrast enhancement as a neuromorphic pre-processing step to improve pattern recognition capabilities is illustrated. As proof of concept using the device's slow-fast dynamics, an inhibition of the return mechanism is physically emulated.
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Affiliation(s)
- Natalia Yantara
- Energy Research Institute @ NTU (ERI@N), Nanyang Technological University, 50 Nanyang Drive, Singapore, 637553, Singapore
| | - Si En Ng
- School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore
| | - Divyam Sharma
- School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore
| | - Biyan Zhou
- Department of Electrical Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong SAR, Hong Kong
| | - Pao-Sheng Vincent Sun
- Department of Electrical Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong SAR, Hong Kong
| | - Huei Min Chua
- School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore
| | - Nur Fadilah Jamaludin
- Energy Research Institute @ NTU (ERI@N), Nanyang Technological University, 50 Nanyang Drive, Singapore, 637553, Singapore
| | - Arindam Basu
- Department of Electrical Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong SAR, Hong Kong
| | - Nripan Mathews
- Energy Research Institute @ NTU (ERI@N), Nanyang Technological University, 50 Nanyang Drive, Singapore, 637553, Singapore
- School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore
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13
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Masharin MA, Oskolkova T, Isik F, Volkan Demir H, Samusev AK, Makarov SV. Giant Ultrafast All-Optical Modulation Based on Exceptional Points in Exciton-Polariton Perovskite Metasurfaces. ACS Nano 2024; 18:3447-3455. [PMID: 38252695 DOI: 10.1021/acsnano.3c10636] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/24/2024]
Abstract
Ultrafast all-optical modulation with optically resonant nanostructures is an essential technology for high-speed signal processing on a compact optical chip. Key challenges that exist in this field are relatively low and slow modulations in the visible range as well as the use of expensive materials. Here we develop an ultrafast all-optical modulator based on MAPbBr3 perovskite metasurface supporting exciton-polariton states with exceptional points. The additional angular and spectral filtering of the modulated light transmitted through the designed metasurface allows us to achieve 2500% optical signal modulation with the shortest modulation time of 440 fs at the pump fluence of ∼40 μJ/cm2. Such a value of the modulation depth is record-high among the existing modulators in the visible range, while the main physical effect behind it is polariton condensation. Scalable and cheap metasurface fabrication via nanoimprint lithography along with the simplicity of perovskite synthesis and deposition make the developed approach promising for real-life applications.
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Affiliation(s)
- Mikhail A Masharin
- UNAM-Institute of Materials Science and Nanotechnology, National Nanotechnology Research Center, Department of Electrical and Electronics Engineering, Department of Physics, Bilkent University, Ankara 06800, Turkey
- Laboratory of Bionanophotonic, Institute of Bioengineering, École Polytechnique Fédérale de Lausanne (EPFL), Lausanne 1015, Switzerland
| | - Tatiana Oskolkova
- UNAM-Institute of Materials Science and Nanotechnology, National Nanotechnology Research Center, Department of Electrical and Electronics Engineering, Department of Physics, Bilkent University, Ankara 06800, Turkey
| | - Furkan Isik
- UNAM-Institute of Materials Science and Nanotechnology, National Nanotechnology Research Center, Department of Electrical and Electronics Engineering, Department of Physics, Bilkent University, Ankara 06800, Turkey
| | - Hilmi Volkan Demir
- UNAM-Institute of Materials Science and Nanotechnology, National Nanotechnology Research Center, Department of Electrical and Electronics Engineering, Department of Physics, Bilkent University, Ankara 06800, Turkey
- LUMINOUS! Center of Excellence for Semiconductor Lighting and Displays, School of Electrical and Electronic Engineering, School of Physical and Mathematical Sciences, School of Materials Science and Engineering, Nanyang Technological University, 639798, Singapore
| | - Anton K Samusev
- Experimentelle Physik 2, Technische Universität Dortmund, Dortmund 44227, Germany
| | - Sergey V Makarov
- Qingdao Innovation and Development Center, Harbin Engineering University, Qingdao, Shandong 266000, China
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14
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Tiede D, Romero-Pérez C, Koch KA, Ucer KB, Calvo ME, Srimath Kandada AR, Galisteo-López JF, Míguez H. Effect of Connectivity on the Carrier Transport and Recombination Dynamics of Perovskite Quantum-Dot Networks. ACS Nano 2024; 18:2325-2334. [PMID: 38206821 PMCID: PMC10811662 DOI: 10.1021/acsnano.3c10239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Revised: 12/26/2023] [Accepted: 01/02/2024] [Indexed: 01/13/2024]
Abstract
Quantum-dot (QD) solids are being widely exploited as a solution-processable technology to develop photovoltaic, light-emission, and photodetection devices. Charge transport in these materials is the result of a compromise between confinement at the individual QD level and electronic coupling among the different nanocrystals in the ensemble. While this is commonly achieved by ligand engineering in colloidal-based systems, ligand-free QD assemblies have recently emerged as an exciting alternative where nanostructures can be directly grown into porous matrices with optical quality as well as control over their connectivity and, hence, charge transport properties. In this context, we present a complete photophysical study comprising fluence- and temperature-dependent time-resolved spectroscopy to study carrier dynamics in ligand-free QD networks with gradually varying degrees of interconnectivity, which we achieve by changing the average distance between the QDs. Analysis of the photoluminescence and absorption properties of the QD assemblies, involving both static and time-resolved measurements, allows us to identify the weight of the different recombination mechanisms, both radiative and nonradiative, as a function of QD connectivity. We propose a picture where carrier diffusion, which is needed for any optoelectronic application and implies interparticle transport, gives rise to the exposure of carriers to a larger defect landscape than in the case of isolated QDs. The use of a broad range of fluences permits extracting valuable information for applications demanding either low- or high-carrier-injection levels and highlighting the relevance of a judicious design to balance recombination and diffusion.
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Affiliation(s)
- David
O. Tiede
- Instituto
de Ciencias de Materiales de Sevilla (Consejo Superior de Investigaciones
Científicas-Universidad de Sevilla), C/Américo Vespucio, 49, Sevilla 41092, Spain
| | - Carlos Romero-Pérez
- Instituto
de Ciencias de Materiales de Sevilla (Consejo Superior de Investigaciones
Científicas-Universidad de Sevilla), C/Américo Vespucio, 49, Sevilla 41092, Spain
| | - Katherine A. Koch
- Department
of Physics and Center for Functional Materials, Wake Forest University, 1834 Wake Forest Road, Winston-Salem, North Carolina 27109, United States
| | - K. Burak Ucer
- Department
of Physics and Center for Functional Materials, Wake Forest University, 1834 Wake Forest Road, Winston-Salem, North Carolina 27109, United States
| | - Mauricio E. Calvo
- Instituto
de Ciencias de Materiales de Sevilla (Consejo Superior de Investigaciones
Científicas-Universidad de Sevilla), C/Américo Vespucio, 49, Sevilla 41092, Spain
| | - Ajay Ram Srimath Kandada
- Department
of Physics and Center for Functional Materials, Wake Forest University, 1834 Wake Forest Road, Winston-Salem, North Carolina 27109, United States
| | - Juan F. Galisteo-López
- Instituto
de Ciencias de Materiales de Sevilla (Consejo Superior de Investigaciones
Científicas-Universidad de Sevilla), C/Américo Vespucio, 49, Sevilla 41092, Spain
| | - Hernán Míguez
- Instituto
de Ciencias de Materiales de Sevilla (Consejo Superior de Investigaciones
Científicas-Universidad de Sevilla), C/Américo Vespucio, 49, Sevilla 41092, Spain
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15
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Wierzbowska M, Meléndez JJ. Exploring Epitaxial Structures for Electrically Pumped Perovskite Lasers: A Study of CsPb(Br,I) 3 Based on the Ab Initio Bethe-Salpeter Equation. Materials (Basel) 2024; 17:427. [PMID: 38255596 DOI: 10.3390/ma17020427] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Revised: 12/07/2023] [Accepted: 01/06/2024] [Indexed: 01/24/2024]
Abstract
Halide perovskites are widely used as components of electronic and optoelectronic devices such as solar cells, light-emitting diodes (LEDs), optically pumped lasers, field-effect transistors, photodetectors, and γ-detectors. Despite this wide range of applications, the construction of an electrically pumped perovskite laser remains challenging. In this paper, we numerically justify that mixing two perovskite compounds with different halide elements can lead to optical properties suitable for electrical pumping. As a reference, the chosen model material was CsPbBr3, whose performance as a part of lasers has been widely recognised, with some Br atoms substituted by I at specific sites. In particular, a strong enhancement of the low-energy absorption peaks has been obtained using the ab initio Bethe-Salpeter equation. Based on these results, we propose specific architectures of ordered doping that could be realised by epitaxial growth. Efficient light emission from the bottom of the conduction band is expected.
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Affiliation(s)
- Małgorzata Wierzbowska
- Institute of High Pressure Physics Polish Academy of Sciences, Sokolowska 29/37, 01-142 Warsaw, Poland
| | - Juan J Meléndez
- Department of Physics, University of Extremadura, Avda. de Elvas, s/n, 06006 Badajoz, Spain
- Institute for Advanced Scientific Computing of Extremadura (ICCAEx), Avda. de Elvas, s/n, 06006 Badajoz, Spain
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16
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Im IH, Baek JH, Kim SJ, Kim J, Park SH, Kim JY, Yang JJ, Jang HW. Halide Perovskites-Based Diffusive Memristors for Artificial Mechano-Nociceptive System. Adv Mater 2024; 36:e2307334. [PMID: 37708845 DOI: 10.1002/adma.202307334] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Revised: 08/24/2023] [Indexed: 09/16/2023]
Abstract
Numerous efforts for emulating organ systems comprised of multiple functional units have driven substantial advancements in bio-realistic electronics and systems. The resistance change behavior observed in diffusive memristors shares similarities with the potential change in biological neurons. Here, the diffusive threshold switching phenomenon in Ag-incorporated organometallic halide perovskites is utilized to demonstrate the functions of afferent neurons. Halide perovskites-based diffusive memristors show a low threshold voltage of ≈0.2 V with little variation, attributed to the facile migration of Ag ions uniformly dispersed within the halide matrix. Based on the reversible and reliable volatile threshold switching, the memristors successfully demonstrate fundamental nociceptive functions including threshold firing, relaxation, and sensitization. Furthermore, to replicate the biological mechano-nociceptive phenomenon at a system level, an artificial mechano-nociceptive system is built by integrating a diffusive memristor with a force-sensing resistor. The presented system is capable of detecting and discerning the detrimental impact caused by a heavy steel ball, effectively exhibiting the corresponding sensitization response. By further extending the single nociceptive system into a 5 × 5 array, successful stereoscopic nociception of uneven impulses is achieved in the artificial skin system through array-scale sensitization. These results represent significant progress in the field of bio-inspired electronics and systems.
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Affiliation(s)
- In Hyuk Im
- Department of Materials Science and Engineering, Research Institute of Advanced Materials, Seoul National University, Seoul, 08826, Republic of Korea
| | - Ji Hyun Baek
- Department of Materials Science and Engineering, Research Institute of Advanced Materials, Seoul National University, Seoul, 08826, Republic of Korea
| | - Seung Ju Kim
- Department of Materials Science and Engineering, Research Institute of Advanced Materials, Seoul National University, Seoul, 08826, Republic of Korea
- Department of Electrical and Computer Engineering, University of Southern California, Los Angeles, CA, 90089, USA
| | - Jaehyun Kim
- Department of Materials Science and Engineering, Research Institute of Advanced Materials, Seoul National University, Seoul, 08826, Republic of Korea
| | - Sung Hyuk Park
- Department of Materials Science and Engineering, Research Institute of Advanced Materials, Seoul National University, Seoul, 08826, Republic of Korea
| | - Jae Young Kim
- Department of Materials Science and Engineering, Research Institute of Advanced Materials, Seoul National University, Seoul, 08826, Republic of Korea
| | - J Joshua Yang
- Department of Electrical and Computer Engineering, University of Southern California, Los Angeles, CA, 90089, USA
| | - Ho Won Jang
- Department of Materials Science and Engineering, Research Institute of Advanced Materials, Seoul National University, Seoul, 08826, Republic of Korea
- Advanced Institute of Convergence Technology, Seoul National University, Suwon, 16229, Republic of Korea
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17
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Samsonova AY, Mikheleva AY, Bulanin KM, Selivanov NI, Mazur AS, Tolstoy PM, Stoumpos CC, Kapitonov YV. Internal Vibrations of Pyridinium Cation in One-Dimensional Halide Perovskites and the Corresponding Halide Salts. Molecules 2023; 29:78. [PMID: 38202667 PMCID: PMC10780259 DOI: 10.3390/molecules29010078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Revised: 12/19/2023] [Accepted: 12/20/2023] [Indexed: 01/12/2024] Open
Abstract
We investigate vibrations of the pyridinium cation PyH+ = C5H5NH+ in one-dimensional lead halide perovskites PyPbX3 and pyridinium halide salts PyHX (X- = I-, Br-), combining infrared absorption and Raman scattering methods at room temperature. Internal vibrations of the cation were assigned based on density functional theory modeling. Some of the vibrational bands are sensitive to perovskite or the salt environment in the solid state, while halide substitution has only a minor effect on them. These findings have been confirmed by 1H, 13C and 207Pb solid-state nuclear magnetic resonance (NMR) experiments. Narrower vibrational bands in perovskites indicate less disorder in these materials. The splitting of NH-group vibrational bands in perovskites can be rationalized the presence of nonequivalent crystal sites for cations or by more exotic phenomena such as quantum tunneling transition between two molecular orientations. We have shown how organic cations in hybrid organic-inorganic crystals could be used as spectators of the crystalline environment that affects their internal vibrations.
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Affiliation(s)
- Anna Yu. Samsonova
- Photonics of Crystals Laboratory, Saint Petersburg State University, Ulyanovskaya d.1, 198504 St. Petersburg, Russia
| | - Alena Yu. Mikheleva
- Photonics of Crystals Laboratory, Saint Petersburg State University, Ulyanovskaya d.1, 198504 St. Petersburg, Russia
| | - Kirill M. Bulanin
- Photonics of Crystals Laboratory, Saint Petersburg State University, Ulyanovskaya d.1, 198504 St. Petersburg, Russia
| | - Nikita I. Selivanov
- Photonics of Crystals Laboratory, Saint Petersburg State University, Ulyanovskaya d.1, 198504 St. Petersburg, Russia
| | - Anton S. Mazur
- Magnetic Resonance Research Center, Saint Petersburg State University, Universitetskiy pr. 26, 198504 St. Petersburg, Russia;
| | - Peter M. Tolstoy
- Institute of Chemistry, Saint Petersburg State University, Universitetskiy pr. 26, 198504 St. Petersburg, Russia
| | - Constantinos C. Stoumpos
- Photonics of Crystals Laboratory, Saint Petersburg State University, Ulyanovskaya d.1, 198504 St. Petersburg, Russia
- Department of Materials Science and Technology, University of Crete, Voutes, GR-70013 Heraklion, Greece
| | - Yury V. Kapitonov
- Photonics of Crystals Laboratory, Saint Petersburg State University, Ulyanovskaya d.1, 198504 St. Petersburg, Russia
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18
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Arendse CJ, Burns R, Beckwitt D, Babaian D, Klue S, Stalla D, Karapetrova E, Miceli PF, Guha S. Insights into the Growth Orientation and Phase Stability of Chemical-Vapor-Deposited Two-Dimensional Hybrid Halide Perovskite Films. ACS Appl Mater Interfaces 2023; 15:59055-59065. [PMID: 38055639 DOI: 10.1021/acsami.3c14559] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/08/2023]
Abstract
Chemical vapor deposition (CVD) offers a large-area, scalable, and conformal growth of perovskite thin films without the use of solvents. Low-dimensional organic-inorganic halide perovskites, with alternating layers of organic spacer groups and inorganic perovskite layers, are promising for enhancing the stability of optoelectronic devices. Moreover, their multiple quantum-well structures provide a powerful platform for tuning excitonic physics. In this work, we show that the CVD process is conducive to the growth of 2D hybrid halide perovskite films. Using butylammonium (BA) and phenylethylammonium (PEA) cations, the growth parameters of BA2PbI4 and PEA2PbI4 and mixed halide perovskite films were first optimized. These films are characterized by well-defined grain boundaries and display characteristic absorption and emission features of the 2D quantum wells. X-ray diffraction (XRD) and a noninteger dimensionality model of the absorption spectrum provide insights into the orientation of the crystalline planes. Unlike BA2PbI4, temperature-dependent photoluminescence measurements from PEA2PbI4 show a single excitonic peak throughout the temperature range from 20 to 350 K, highlighting the lack of defect states. These results further corroborate the temperature-dependent synchrotron-based XRD results. Furthermore, the nonlinear optical properties of the CVD-grown perovskite films are investigated, and a high third harmonic generation efficiency is observed.
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Affiliation(s)
- Christopher J Arendse
- Department of Physics and Astronomy, University of the Western Cape, Bellville 7535, South Africa
| | - Randy Burns
- Department of Physics and Astronomy, University of Missouri, Columbia, Missouri 65211, United States
| | - David Beckwitt
- Department of Physics and Astronomy, University of Missouri, Columbia, Missouri 65211, United States
| | - Dallar Babaian
- Department of Physics and Astronomy, University of Missouri, Columbia, Missouri 65211, United States
| | - Stephen Klue
- Department of Physics and Astronomy, University of Missouri, Columbia, Missouri 65211, United States
| | - David Stalla
- Electron Microscopy Core Facility, University of Missouri, Columbia, Missouri 65211, United States
| | - Evguenia Karapetrova
- Advanced Photon Source, Argonne National Laboratory, Argonne, Illinois 60439, United States
| | - Paul F Miceli
- Department of Physics and Astronomy, University of Missouri, Columbia, Missouri 65211, United States
| | - Suchismita Guha
- Department of Physics and Astronomy, University of Missouri, Columbia, Missouri 65211, United States
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19
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Wang H, Yin Y, Xu J, Li J, Bao Y, An M, Tang L, Jin S, Tian W, Yang Y. Field-Induced Transport Anisotropy in Single-Crystalline All-Inorganic Lead-Halide Perovskite Nanowires. ACS Nano 2023. [PMID: 37975813 DOI: 10.1021/acsnano.3c06944] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2023]
Abstract
The dynamic crystal lattice of halide perovskites facilitates the coupled transport of ions and electrons, offering innovative concepts in semiconductor iontronic devices that surpass solar cell applications. However, a comprehensive understanding of the intricacies of coupled ionic and electronic transport at the microscale remains ambiguous, owing to the inhomogeneity in ploy-crystalline perovskite thin films. In this work, we employed one-dimensional (1D) single-crystalline CsPbBr3 nanowires (NWs) to investigate the electric field induced ionic transport. Upon poling by an external bias, the previously uniform NW exhibits highly anisotropic ionic transport, which is identified as the origin of the giant switchable photovoltaic effect by spatially resolved scanning photocurrent microscopy. The subsequent ultrafast scanning photoluminescence (PL) microscopy measurements demonstrate significant localization of photocarriers near one terminal of the device, which is attributed to the accumulation of halogen vacancies. In addition, thanks to the enhancement of the local electric field, the poled device shows a 10-fold increase of photoresponse speed. Our findings favor the scale-down of perovskite devices to the submicrometer scale, extending their applications in self-powered iontronic and optoelectronic devices.
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Affiliation(s)
- Hengshan Wang
- School of Integrated Circuits, Dalian University of Technology, No. 321 Tuqiang Road, Dalian 116620, China
| | - Yanfeng Yin
- State Key Laboratory of Molecular Reaction Dynamics, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Jiao Xu
- School of Integrated Circuits, Dalian University of Technology, No. 321 Tuqiang Road, Dalian 116620, China
| | - Jing Li
- School of Integrated Circuits, Dalian University of Technology, No. 321 Tuqiang Road, Dalian 116620, China
- Key Laboratory of Materials Modification by Laser, Ion, and Electron Beams (Ministry of Education), School of Physics, Dalian University of Technology, No.2 Linggong Road, Dalian 116024, China
| | - Yanan Bao
- School of Integrated Circuits, Dalian University of Technology, No. 321 Tuqiang Road, Dalian 116620, China
| | - Meiqi An
- School of Integrated Circuits, Dalian University of Technology, No. 321 Tuqiang Road, Dalian 116620, China
| | - Lingzhi Tang
- School of Integrated Circuits, Dalian University of Technology, No. 321 Tuqiang Road, Dalian 116620, China
| | - Shengye Jin
- State Key Laboratory of Molecular Reaction Dynamics, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Wenming Tian
- State Key Laboratory of Molecular Reaction Dynamics, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Yiming Yang
- School of Integrated Circuits, Dalian University of Technology, No. 321 Tuqiang Road, Dalian 116620, China
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20
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Zhang Y, Zhao Z, Liu Z, Tang A. The Scale Effects of Organometal Halide Perovskites. Nanomaterials (Basel) 2023; 13:2935. [PMID: 37999290 PMCID: PMC10674384 DOI: 10.3390/nano13222935] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Revised: 11/09/2023] [Accepted: 11/10/2023] [Indexed: 11/25/2023]
Abstract
Organometal halide perovskites have achieved great success in solution-processed photovoltaics. The explorations quickly expanded into other optoelectronic applications, including light-emitting diodes, lasers, and photodetectors. An in-depth analysis of the special scale effects is essential to understand the working mechanisms of devices and optimize the materials towards an enhanced performance. Generally speaking, organometal halide perovskites can be classified in two ways. By controlling the morphological dimensionality, 2D perovskite nanoplatelets, 1D perovskite nanowires, and 0D perovskite quantum dots have been studied. Using appropriate organic and inorganic components, low-dimensional organic-inorganic metal halide hybrids with 2D, quasi-2D, 1D, and 0D structures at the molecular level have been developed and studied. This provides opportunities to investigate the scale-dependent properties. Here, we present the progress on the characteristics of scale effects in organometal halide perovskites in these two classifications, with a focus on carrier diffusion, excitonic features, and defect properties.
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Affiliation(s)
- Yibo Zhang
- Key Laboratory of Luminescence and Optical Information, School of Physical Science and Engineering, Beijing Jiaotong University, Ministry of Education, Beijing 100044, China
| | - Zhenze Zhao
- School of Chemistry, Food and Pharmacy, University of Reading, Reading RGE 6AH, UK;
| | - Zhe Liu
- Beijing Engineering Research Center of Mixed Reality and Advanced Display, School of Optics and Photonics, Beijing Institute of Technology, Beijing 100081, China;
| | - Aiwei Tang
- Key Laboratory of Luminescence and Optical Information, School of Physical Science and Engineering, Beijing Jiaotong University, Ministry of Education, Beijing 100044, China
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21
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Daboczi M, Cui J, Temerov F, Eslava S. Scalable All-Inorganic Halide Perovskite Photoanodes with >100 h Operational Stability Containing Earth-Abundant Materials. Adv Mater 2023; 35:e2304350. [PMID: 37667871 DOI: 10.1002/adma.202304350] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Revised: 08/09/2023] [Indexed: 09/06/2023]
Abstract
The application of halide perovskites in the photoelectrochemical generation of solar fuels and feedstocks is hindered by the instability of perovskites in aqueous electrolytes and the use of expensive electrode and catalyst materials, particularly in photoanodes driving kinetically slow water oxidation. Here, solely earth-abundant materials are incorporated to fabricate a CsPbBr3 -based photoanode that reaches a low onset potential of +0.4 VRHE and 8 mA cm-2 photocurrent density at +1.23 VRHE for water oxidation, close to the radiative efficiency limit of CsPbBr3 . This photoanode retains 100% of its stabilized photocurrent density for more than 100 h of operation by replacing once the inexpensive graphite sheet upon signs of deterioration. The improved performance is due to an efficiently electrodeposited NiFeOOH catalyst on a protective self-adhesive graphite sheet, and enhanced charge transfer achieved by phase engineering of CsPbBr3 . Devices with >1 cm2 area, and low-temperature processing demonstrate the potential for low capital cost, stable, and scalable perovskite photoanodes.
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Affiliation(s)
- Matyas Daboczi
- Department of Chemical Engineering and Centre for Processable Electronics, Imperial College London, London, SW7 2AZ, UK
| | - Junyi Cui
- Department of Chemical Engineering and Centre for Processable Electronics, Imperial College London, London, SW7 2AZ, UK
| | - Filipp Temerov
- Department of Chemical Engineering and Centre for Processable Electronics, Imperial College London, London, SW7 2AZ, UK
- Nano and Molecular Systems Research Unit, University of Oulu, Oulu, FI-90014, Finland
| | - Salvador Eslava
- Department of Chemical Engineering and Centre for Processable Electronics, Imperial College London, London, SW7 2AZ, UK
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22
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Zhang D, Okamoto T, Biju V. Thermodynamically and Kinetically Controlled Nucleation and Growth of Halide Perovskite Single Crystals. Small 2023; 19:e2304900. [PMID: 37491792 DOI: 10.1002/smll.202304900] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2023] [Indexed: 07/27/2023]
Abstract
Halide perovskites are ideal for next-generation optical devices and photovoltaics. Although perovskite single-crystals show reproducible optoelectronic properties, significant variations in the crystal size, anisotropy, density, defects, photoluminescence (PL), and carrier lifetime affect the sample properties and device performances. Homogenous size and shape FA/MAPbBr3 single microcrystals (MCs) with controlled edge lengths, crystal densities, PL lifetimes, and PL intensities are prepared by thermodynamically controlling and kinetically separating the crystal nucleation-growth processes using optimum N-cyclohexyl-2-pyrrolidone (CHP) concentration. The crystal growth kinetics at different CHP concentrations and temperatures are estimated spectroscopically by measuring the concentration of Pb (II). High-density cubic MCs with a homogenous size distribution, high PL intensities, and long PL lifetimes are obtained within minutes at high temperatures by the controlled addition of the pyrrolidone derivative. Conversely, the crystal size nonlinearly increases with time at low temperatures. The isotropically grown high-density single crystals at controlled nucleation-growth rates at 190 °C with 20% CHP show the highest PL intensity and the longest PL lifetimes. This method offers thermodynamic and kinetic control of perovskite single-crystal growth with shape control.
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Affiliation(s)
- Dong Zhang
- Graduate School of Environmental Science, Hokkaido University, Sapporo, Hokkaido, 060-0810, Japan
| | - Takuya Okamoto
- Graduate School of Environmental Science, Hokkaido University, Sapporo, Hokkaido, 060-0810, Japan
- Research Institute for Electronic Science, Hokkaido University, Sapporo, Hokkaido, 001-0020, Japan
| | - Vasudevanpillai Biju
- Graduate School of Environmental Science, Hokkaido University, Sapporo, Hokkaido, 060-0810, Japan
- Research Institute for Electronic Science, Hokkaido University, Sapporo, Hokkaido, 001-0020, Japan
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23
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Zhao B, Li Y, Chen X, Han Y, Wei S, Wu K, Zhang X. Engineering Carrier Dynamics in Halide Perovskites by Dynamical Lattice Distortion. Adv Sci (Weinh) 2023; 10:e2300386. [PMID: 37807821 PMCID: PMC10667814 DOI: 10.1002/advs.202300386] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Revised: 08/31/2023] [Indexed: 10/10/2023]
Abstract
The electronic structure of halide perovskites is central to their carrier dynamics, enabling the excellent optoelectronic performance. However, the experimentally resolved transient absorption spectra exhibit large discrepancies from the commonly computed electronic structure by density functional theory. Using pseudocubic CsPbI3 as a prototype example, here, it is unveiled with both ab initio molecular dynamics simulations and transmission electron microscopy that there exists pronounced dynamical lattice distortion in the form of disordered instantaneous octahedral tilting. Rigorous first-principles calculations reveal that the lattice distortion substantially alters the electronic band structure through renormalizing the band dispersions and the interband transition energies. Most notably, the electron and hole effective masses increase by 65% and 88%, respectively; the transition energy between the two highest valence bands decreases by about one half, agreeing remarkably well with supercontinuum transient-absorption measurements. This study further demonstrates how the resulting electronic structure modulates various aspects of the carrier dynamics such as carrier transport, hot-carrier relaxation, Auger recombination, and carrier multiplication in halide perovskites. The insights provide a pathway to engineer carrier transport and relaxation via lattice distortion, enabling the promise to achieve ultrahigh-efficiency photovoltaic devices.
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Affiliation(s)
- Bai‐Qing Zhao
- Beijing Computational Science Research CenterBeijing100193China
| | - Yulu Li
- State Key Laboratory of Molecular Reaction DynamicsDalian Institute of Chemical PhysicsChinese Academy of SciencesDalianLiaoning116023China
| | - Xuan‐Yan Chen
- Beijing Computational Science Research CenterBeijing100193China
| | - Yaoyao Han
- State Key Laboratory of Molecular Reaction DynamicsDalian Institute of Chemical PhysicsChinese Academy of SciencesDalianLiaoning116023China
- University of Chinese Academy of SciencesBeijing100049China
| | - Su‐Huai Wei
- Beijing Computational Science Research CenterBeijing100193China
| | - Kaifeng Wu
- State Key Laboratory of Molecular Reaction DynamicsDalian Institute of Chemical PhysicsChinese Academy of SciencesDalianLiaoning116023China
- University of Chinese Academy of SciencesBeijing100049China
| | - Xie Zhang
- Beijing Computational Science Research CenterBeijing100193China
- School of Materials Science and EngineeringNorthwestern Polytechnical UniversityXi'an710072China
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24
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Kitzmann WR, Freudenthal J, Reponen APM, VanOrman ZA, Feldmann S. Fundamentals, Advances, and Artifacts in Circularly Polarized Luminescence (CPL) Spectroscopy. Adv Mater 2023; 35:e2302279. [PMID: 37658497 DOI: 10.1002/adma.202302279] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/11/2023] [Revised: 05/06/2023] [Indexed: 09/03/2023]
Abstract
Objects are chiral when they cannot be superimposed with their mirror image. Materials can emit chiral light with an excess of right- or left-handed circular polarization. This circularly polarized luminescence (CPL) is key to promising future applications, such as highly efficient displays, holography, sensing, enantiospecific discrimination, synthesis of drugs, quantum computing, and cryptography. Here, a practical guide to CPL spectroscopy is provided. First, the fundamentals of the technique are laid out and a detailed account of recent experimental advances to achieve highly sensitive and accurate measurements is given, including all corrections required to obtain reliable results. Then the most common artifacts and pitfalls are discussed, especially for the study of thin films, for example, based on molecules, polymers, or halide perovskites, as opposed to dilute solutions of emitters. To facilitate the adoption by others, custom operating software is made publicly available, equipping the reader with the tools needed for successful and accurate CPL determination.
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Affiliation(s)
- Winald R Kitzmann
- Department of Chemistry, Johannes Gutenberg University, Duesbergweg 10-14, 55122, Mainz, Germany
- Rowland Institute, Harvard University, 100 Edwin H. Land Boulevard, Cambridge, MA, 02142, USA
| | - John Freudenthal
- Hinds Instruments Inc., 7245 NE Evergreen Parkway, Hillsboro, OR, 97124, USA
| | - Antti-Pekka M Reponen
- Rowland Institute, Harvard University, 100 Edwin H. Land Boulevard, Cambridge, MA, 02142, USA
| | - Zachary A VanOrman
- Rowland Institute, Harvard University, 100 Edwin H. Land Boulevard, Cambridge, MA, 02142, USA
| | - Sascha Feldmann
- Rowland Institute, Harvard University, 100 Edwin H. Land Boulevard, Cambridge, MA, 02142, USA
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25
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Xiao CL, Liu S, Liu XY, Li YN, Zhang P. Optoelectronic Evolution in Halogen-Doped Organic-Inorganic Halide Perovskites: A First-Principles Analysis. Molecules 2023; 28:7341. [PMID: 37959761 PMCID: PMC10647401 DOI: 10.3390/molecules28217341] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Revised: 10/27/2023] [Accepted: 10/28/2023] [Indexed: 11/15/2023] Open
Abstract
Cl, Br, and I are elements in the halogen family, and are often used as dopants in semiconductors. When employed as dopants, these halogens can significantly modify the optoelectronic properties of materials. From the perspective of halogen doping, we have successfully achieved the stabilization of crystal structures in CH3NH3PbX3, CH3NH3PbI3-xClx, CH3NH3PbI3-xBrx, and CH3NH3PbBr3-xClx, which are organic-inorganic hybrid perovskites. Utilizing first-principles density functional theory calculations with the CASTEP module, we investigated the optoelectronic properties of these structures by simulations. According to the calculations, a smaller difference in electronegativity between different halogens in doped structures can result in smoother energy bands, especially in CH3NH3PbI3-xBrx and CH3NH3PbBr3-xClx. The PDOS of the Cl-3p orbitals undergoes a shift along the energy axis as a result of variances in electronegativity levels. The optoelectronic performance, carrier mobility, and structural stability of the CH3NH3PbBr3-xClx system are superior to other systems like CH3NH3PbX3. Among many materials considered, CH3NH3PbBr2Cl exhibits higher carrier mobility and a relatively narrower bandgap, making it a more suitable material for the absorption layer in solar cells. This study provides valuable insights into the methodology employed for the selection of specific types, quantities, and positions of halogens for further research on halogen doping.
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Affiliation(s)
| | | | | | | | - Peng Zhang
- School of Space Science and Physics, Shandong University, Weihai 264209, China; (C.-L.X.); (S.L.); (X.-Y.L.); (Y.-N.L.)
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26
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Sena M, Cui J, Baghdadi Y, Rattner E, Daboczi M, Lopes-Moriyama AL, dos Santos AG, Eslava S. Lead-Free Halide Perovskite Cs 2AgBiBr 6/Bismuthene Composites for Improved CH 4 Production in Photocatalytic CO 2 Reduction. ACS Appl Energy Mater 2023; 6:10193-10204. [PMID: 37886225 PMCID: PMC10598630 DOI: 10.1021/acsaem.2c03105] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Accepted: 01/18/2023] [Indexed: 10/28/2023]
Abstract
CO2 photocatalytic conversion into value-added fuels through solar energy is a promising way of storing renewable energy while simultaneously reducing the concentration of CO2 in the atmosphere. Lead-based halide perovskites have recently shown great potential in various applications such as solar cells, optoelectronics, and photocatalysis. Even though they show high performance, the high toxicity of Pb2+ along with poor stability under ambient conditions restrains the application of these materials in photocatalysis. In this respect, we developed an in situ assembly strategy to fabricate the lead-free double perovskite Cs2AgBiBr6 on a 2D bismuthene nanosheet prepared by a ligand-assisted reprecipitation method for a liquid-phase CO2 photocatalytic reduction reaction. The composite improved the production and selectivity of the eight-electron CH4 pathway compared with the two-electron CO pathway, storing more of the light energy harvested by the photocatalyst. The Cs2AgBiBr6/bismuthene composite shows a photocatalytic activity of 1.49(±0.16) μmol g-1 h-1 CH4, 0.67(±0.14) μmol g-1 h-1 CO, and 0.75(±0.20) μmol g-1 h-1 H2, with a CH4 selectivity of 81(±1)% on an electron basis with 1 sun. The improved performance is attributed to the enhanced charge separation and suppressed electron-hole recombination due to good interfacial contact between the perovskite and bismuthene promoted by the synthesis method.
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Affiliation(s)
- Michael
Segundo Sena
- Department
of Graduation in Chemical Engineering, Universidade
Federal do Rio Grande do Norte/UFRN, 59.078-970Rio Grande do Norte, Brazil
- Department
of Chemical Engineering, Imperial College
London, SW7 2BX, London, United Kingdom
| | - Junyi Cui
- Department
of Chemical Engineering, Imperial College
London, SW7 2BX, London, United Kingdom
| | - Yasmine Baghdadi
- Department
of Chemical Engineering, Imperial College
London, SW7 2BX, London, United Kingdom
| | - Eduardo Rattner
- Department
of Chemical Engineering, Imperial College
London, SW7 2BX, London, United Kingdom
| | - Matyas Daboczi
- Department
of Chemical Engineering, Imperial College
London, SW7 2BX, London, United Kingdom
| | - André Luís Lopes-Moriyama
- Department
of Graduation in Chemical Engineering, Universidade
Federal do Rio Grande do Norte/UFRN, 59.078-970Rio Grande do Norte, Brazil
| | - Andarair Gomes dos Santos
- Department
of Agrotechnology and Social Sciences, Universidade
Federal Rural do Semi-Árido/UFERSA, 59.600-000Rio Grande do Norte, Brazil
| | - Salvador Eslava
- Department
of Chemical Engineering, Imperial College
London, SW7 2BX, London, United Kingdom
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27
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Jung Y, Lee W, Han S, Kim BS, Yoo SJ, Jang H. Thermal Transport Properties of Phonons in Halide Perovskites. Adv Mater 2023; 35:e2204872. [PMID: 36036368 DOI: 10.1002/adma.202204872] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Revised: 08/21/2022] [Indexed: 06/15/2023]
Abstract
Halide perovskites have emerged as promising candidates for various applications, such as photovoltaic, optoelectronic and thermoelectric applications. The knowledge of the thermal transport of halide perovskites is essential for enhancing the device performance for these applications and improving the understanding of heat transport in complicated material systems with atomic disorders. In this work, the current understanding of the experimentally and theoretically obtained thermal transport properties of halide perovskites is reviewed. This study comprehensively examines the reported thermal conductivity of methylammonium lead iodide, which is a prototype material, and provides theoretical frameworks for its lattice vibrational properties. The frameworks and discussions are extended to other halide perovskites and derivative structures. The implications for device applications, such as solar cells and thermoelectrics, are discussed.
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Affiliation(s)
- Yoonseong Jung
- Department of Materials Science and Engineering and Research Institute of Advanced Materials (RIAM), Seoul National University, Seoul, 08826, South Korea
| | - Wonsik Lee
- Department of Materials Science and Engineering and Research Institute of Advanced Materials (RIAM), Seoul National University, Seoul, 08826, South Korea
| | - Seungbin Han
- Department of Materials Science and Engineering and Research Institute of Advanced Materials (RIAM), Seoul National University, Seoul, 08826, South Korea
| | - Beom-Soo Kim
- Advanced Materials Division, Korea Research Institute of Chemical Technology (KRICT), Daejeon, 34114, South Korea
| | - Seung-Jun Yoo
- Future Technology, LG Chem, Seoul, 07796, South Korea
| | - Hyejin Jang
- Department of Materials Science and Engineering and Research Institute of Advanced Materials (RIAM), Seoul National University, Seoul, 08826, South Korea
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28
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Biega RI, Chen Y, Filip MR, Leppert L. Chemical Mapping of Excitons in Halide Double Perovskites. Nano Lett 2023; 23:8155-8161. [PMID: 37656044 PMCID: PMC10510582 DOI: 10.1021/acs.nanolett.3c02285] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Revised: 08/25/2023] [Indexed: 09/02/2023]
Abstract
Halide double perovskites comprise an emerging class of semiconductors with tremendous chemical and electronic diversity. While their band structure features can be understood from frontier-orbital models, chemical intuition for optical excitations remains incomplete. Here, we use ab initio many-body perturbation theory within the GW and the Bethe-Salpeter equation approach to calculate excited-state properties of a representative range of Cs2BB'Cl6 double perovskites. Our calculations reveal that double perovskites with different combinations of B and B' cations display a broad variety of electronic band structures and dielectric properties and form excitons with binding energies ranging over several orders of magnitude. We correlate these properties with the orbital-induced anisotropy of charge-carrier effective masses and the long-range behavior of the dielectric function by comparing them with the canonical conditions of the Wannier-Mott model. Furthermore, we derive chemically intuitive rules for predicting the nature of excitons in halide double perovskites using computationally inexpensive density functional theory calculations.
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Affiliation(s)
- Raisa-Ioana Biega
- MESA+
Institute for Nanotechnology, University
of Twente, 7500 AE Enschede, The Netherlands
| | - Yinan Chen
- Department
of Physics, University of Oxford, Clarendon Laboratory, Oxford OX1 3PU, United Kingdom
| | - Marina R. Filip
- Department
of Physics, University of Oxford, Clarendon Laboratory, Oxford OX1 3PU, United Kingdom
| | - Linn Leppert
- MESA+
Institute for Nanotechnology, University
of Twente, 7500 AE Enschede, The Netherlands
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29
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Wargulski DR, Xu K, Hempel H, Flatken MA, Albrecht S, Abou-Ras D. Relationship between the Annealing Temperature and the Presence of PbI 2 Platelets at the Surfaces of Slot-Die-Coated Triple-Halide Perovskite Thin Films. ACS Appl Mater Interfaces 2023; 15:41516-41524. [PMID: 37626018 PMCID: PMC10485798 DOI: 10.1021/acsami.3c07692] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/29/2023] [Accepted: 08/16/2023] [Indexed: 08/27/2023]
Abstract
We investigated triple-halide perovskite (THP) absorber layers with 5 mol % MAPbCl3 added to the double-halide perovskite (Cs0.22FA0.78)Pb(I0.85Br0.15)3. As a deposition method, a highly scalable printing technique, slot-die coating, with a subsequent annealing step was used. We found a strong power conversion efficiency (PCE) dependence of the corresponding solar cells on the annealing temperature. The device performance deteriorated when increasing the annealing temperature from 125 to 170 °C, mainly via losses in the open-circuit voltage (Voc) and in the fill factor (FF). To understand the mechanisms behind this performance loss, extensive characterizations were performed on both, the THP thin films and the completed solar-cell stacks, as a function of annealing temperature. Correlative scanning electron microscopy analyses, i.e., electron backscatter diffraction, energy-dispersive X-ray spectroscopy, and cathodoluminescence, in addition to X-ray diffraction and photoluminescence, confirmed the presence of PbI2 platelets on the surface of the THP thin films. Moreover, the area fraction of the PbI2 platelets on the film surface increased with increasing annealing temperature. The deteriorated device performance when the annealing temperature is increased from 125 to 170 °C is explained by the increased series resistance and increased interface recombination caused by the PbI2 platelets, leading to decreased Voc and FF values of the solar-cell devices. Thus, the correlative analyses provided insight into microscopic origins of the efficiency losses.
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Affiliation(s)
- Dan R. Wargulski
- Helmholtz-
Zentrum Berlin für Materialien und Energie GmbH, 14109 Berlin, Germany
| | - Ke Xu
- Helmholtz-
Zentrum Berlin für Materialien und Energie GmbH, 14109 Berlin, Germany
| | - Hannes Hempel
- Helmholtz-
Zentrum Berlin für Materialien und Energie GmbH, 14109 Berlin, Germany
| | - Marion A. Flatken
- Helmholtz-
Zentrum Berlin für Materialien und Energie GmbH, 14109 Berlin, Germany
| | - Steve Albrecht
- Helmholtz-
Zentrum Berlin für Materialien und Energie GmbH, 14109 Berlin, Germany
- Faculty
of Electrical Engineering and Computer Science, Technische Universität Berlin, 10587 Berlin, Germany
| | - Daniel Abou-Ras
- Helmholtz-
Zentrum Berlin für Materialien und Energie GmbH, 14109 Berlin, Germany
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30
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Okamoto T, Biju V. Slipping-Free Halide Perovskite Supercrystals from Supramolecularly-Assembled Nanocrystals. Small 2023; 19:e2303496. [PMID: 37170667 DOI: 10.1002/smll.202303496] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Indexed: 05/13/2023]
Abstract
Supramolecularly assembled high-order supercrystals (SCs) help control the dielectric, electronic, and excitonic properties of semiconductor nanocrystals (NCs) and quantum dots (QDs). Ligand-engineered perovskite NCs (PNCs) assemble into SCs showing shorter excitonic lifetimes than strongly dielectric PNC films showing long photoluminescence (PL) lifetimes and long-range carrier diffusion. Monodentate to bidentate ligand exchange on ≈ 8 nm halide perovskite (APbX3 ; A:Cs/MA, X:Br/I) PNCs generates mechanically stable SCs with close-packed lattices, overlapping electronic wave functions, and higher dielectric constant, providing distinct excitonic properties from single PNCs or PNC films. From Fast Fourier Transform (FFT) images, time-resolved PL, and small-angle X-ray scattering, structurally and excitonically ordered large SCs are identified. An Sc shows a smaller spectral shift (<35 meV) than a PNC film (>100 meV), a microcrystal (>100 meV), or a bulk crystal (>100 meV). Also, the exciton lifetime (<10 ns) of an SC is excitation power-independent in the single exciton regime 〈N〉<1, comparable to an isolated PNC. Therefore, bidentate-ligand-assisted SCs help overcome delayed exciton or carrier recombination in halide perovskite nanocrystal assemblies or films.
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Affiliation(s)
- Takuya Okamoto
- Research Institute for Electronic Science, Hokkaido University, Sapporo, Hokkaido, 001-0020, Japan
- Graduate School of Environmental Science, Hokkaido University, Sapporo, Hokkaido, 060-0810, Japan
| | - Vasudevanpillai Biju
- Research Institute for Electronic Science, Hokkaido University, Sapporo, Hokkaido, 001-0020, Japan
- Graduate School of Environmental Science, Hokkaido University, Sapporo, Hokkaido, 060-0810, Japan
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31
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Liu Y, Yao Y, Zhang X, Blackman C, Perry RS, Palgrave RG. Solid Electrolyte Interphase Formation in Tellurium Iodide Perovskites during Electrochemistry and Photoelectrochemistry. ACS Appl Mater Interfaces 2023. [PMID: 37486721 PMCID: PMC10401509 DOI: 10.1021/acsami.3c07425] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/25/2023]
Abstract
Halide perovskites are promising photoelectrocatalytic materials. Their further development requires understanding of surface processes during electrochemistry. Thin films of tellurium-based vacancy-ordered perovskites with formula A2TeI6, A = Cs, methylammonium (MA), were deposited onto transparent conducting substrates using aerosol-assisted chemical vapor deposition. Thin film stability as electrodes and photoelectrodes was tested in dichloromethane containing tetrabutylammonium PF6 (TBAPF6). Using photoemission spectroscopy, we show that the formation of a solid electrolyte interphase on the surface of the Cs2TeI6, consisting of CsPF6, enhances the stability of the electrode and allows extended chopped-light chronoamperometry measurements at up to 1.1 V with a photocurrent density of 16 μA/cm2. In contrast, (CH3NH3)2TeI6 does not form a passivating layer and rapidly degrades upon identical electrochemical treatment. This demonstrates the importance of surface chemistry in halide perovskite electrochemistry and photoelectrocatalysis.
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Affiliation(s)
- Yuhan Liu
- Department of Chemistry, University College London, Christopher Ingold Building, 20 Gordon Street, London WC1H 0AJ, U.K
| | - Yuting Yao
- Department of Chemistry, University College London, Christopher Ingold Building, 20 Gordon Street, London WC1H 0AJ, U.K
| | - Xinyue Zhang
- Department of Chemistry, University College London, Christopher Ingold Building, 20 Gordon Street, London WC1H 0AJ, U.K
| | - Christopher Blackman
- Department of Chemistry, University College London, Christopher Ingold Building, 20 Gordon Street, London WC1H 0AJ, U.K
| | - Robin S Perry
- London Centre for Nanotechnology and Department of Physics and Astronomy, University College London, 17-19 Gordon Street, London WC1H 0AH, U.K
- ISIS Neutron Spallation Source, Rutherford Appleton Laboratory, Harwell Campus, Didcot OX11 0QX, UK
| | - Robert G Palgrave
- Department of Chemistry, University College London, Christopher Ingold Building, 20 Gordon Street, London WC1H 0AJ, U.K
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32
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Pokryshkin NS, Mantsevich VN, Timoshenko VY. Anti-Stokes Photoluminescence in Halide Perovskite Nanocrystals: From Understanding the Mechanism towards Application in Fully Solid-State Optical Cooling. Nanomaterials (Basel) 2023; 13:1833. [PMID: 37368263 DOI: 10.3390/nano13121833] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Revised: 06/05/2023] [Accepted: 06/07/2023] [Indexed: 06/28/2023]
Abstract
Anti-Stokes photoluminescence (ASPL) is an up-conversion phonon-assisted process of radiative recombination of photoexcited charge carriers when the ASPL photon energy is above the excitation one. This process can be very efficient in nanocrystals (NCs) of metalorganic and inorganic semiconductors with perovskite (Pe) crystal structure. In this review, we present an analysis of the basic mechanisms of ASPL and discuss its efficiency depending on the size distribution and surface passivation of Pe-NCs as well as the optical excitation energy and temperature. When the ASPL process is sufficiently efficient, it can result in an escape of most of the optical excitation together with the phonon energy from the Pe-NCs. It can be used in optical fully solid-state cooling or optical refrigeration.
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Affiliation(s)
- Nikolay S Pokryshkin
- Faculty of Physics, Lomonosov Moscow State University, 119991 Moscow, Russia
- Phys-Bio Institute, University "MEPhI", 115409 Moscow, Russia
| | | | - Victor Y Timoshenko
- Faculty of Physics, Lomonosov Moscow State University, 119991 Moscow, Russia
- Lebedev Physical Institute, Russian Academy of Sciences, 119991 Moscow, Russia
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33
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Scheid A, Wang Y, Jung M, Heil T, Moia D, Maier J, van Aken PA. Electron Ptychographic Phase Imaging of Beam-sensitive All-inorganic Halide Perovskites Using Four-dimensional Scanning Transmission Electron Microscopy. Microsc Microanal 2023; 29:869-878. [PMID: 37749687 DOI: 10.1093/micmic/ozad017] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Revised: 12/14/2022] [Accepted: 02/05/2023] [Indexed: 09/27/2023]
Abstract
Halide perovskites (HPs) are promising candidates for optoelectronic devices, such as solar cells or light-emitting diodes. Despite recent progress in performance optimization and low-cost manufacturing, their commercialization remains hindered due to structural instabilities. While essential to the development of the technology, the relation between the microscopic properties of HPs and the relevant degradation mechanisms is still not well understood. The sensitivity of HPs toward electron-beam irradiation poses significant challenges for transmission electron microscopy (TEM) investigations of structure and degradation mechanisms at the atomic scale. However, technological advances and the development of direct electron cameras (DECs) have opened up a completely new field of electron microscopy: four-dimensional scanning TEM (4D-STEM). From a 4D-STEM dataset, it is possible to extract not only the intensity signal for any STEM detector geometry but also the phase information of the specimen. This work aims to show the potential of 4D-STEM, in particular, electron exit-wave phase reconstructions via focused probe ptychography as a low-dose and dose-efficient technique to image the atomic structure of beam-sensitive HPs. The damage mechanism under conventional irradiation is described and atomically resolved almost aberration-free phase images of three all-inorganic HPs, CsPbBr3, CsPbIBr2, and CsPbI3, are presented with a resolution down to the aperture-constrained diffraction limit.
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Affiliation(s)
- Anna Scheid
- Max Planck Institute for Solid State Research, Stuttgart Center for Electron Microscopy, Heisenbergstrasse 1, 70569 Stuttgart, Baden-Württemberg, Germany
| | - Yi Wang
- Max Planck Institute for Solid State Research, Stuttgart Center for Electron Microscopy, Heisenbergstrasse 1, 70569 Stuttgart, Baden-Württemberg, Germany
- Nanjing University of Aeronautics and Astronautics, Center for Microscopy and Analysis, Jiangjun Road 29, Jiangning, 211106, Nanjing Province, China
| | - Mina Jung
- Max Planck Institute for Solid State Research, Department of Physical Chemistry of Solids, Heisenbergstrasse 1, 70569 Stuttgart, Baden-Württemberg, Germany
| | - Tobias Heil
- Max Planck Institute for Solid State Research, Stuttgart Center for Electron Microscopy, Heisenbergstrasse 1, 70569 Stuttgart, Baden-Württemberg, Germany
| | - Davide Moia
- Max Planck Institute for Solid State Research, Department of Physical Chemistry of Solids, Heisenbergstrasse 1, 70569 Stuttgart, Baden-Württemberg, Germany
| | - Joachim Maier
- Max Planck Institute for Solid State Research, Department of Physical Chemistry of Solids, Heisenbergstrasse 1, 70569 Stuttgart, Baden-Württemberg, Germany
| | - Peter A van Aken
- Max Planck Institute for Solid State Research, Stuttgart Center for Electron Microscopy, Heisenbergstrasse 1, 70569 Stuttgart, Baden-Württemberg, Germany
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34
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Parikh N, Akin S, Kalam A, Prochowicz D, Yadav P. Probing the Low-Frequency Response of Impedance Spectroscopy of Halide Perovskite Single Crystals Using Machine Learning. ACS Appl Mater Interfaces 2023. [PMID: 37265458 DOI: 10.1021/acsami.3c00269] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Electrochemical impedance spectroscopy (EIS) has emerged as a versatile technique for characterization and analysis of metal halide perovskite solar cells (PSCs). The crucial information about ion migration and carrier accumulation in PSCs can be extracted from the low-frequency regime of the EIS spectrum. However, lengthy measurement time at low frequencies along with material degradation due to prolonged exposure to light and bias motivates the use of machine learning (ML) in predicting the low-frequency response. Here, we have developed an ML model to predict the low-frequency response of the halide perovskite single crystals. We first synthesized high-quality MAPbBr3 single crystals and subsequently recorded the EIS spectra at different applied bias and illumination intensities to prepare the dataset comprising 8741 datapoints. The developed supervised ML model can predict the real and imaginary parts of the low-frequency EIS response with an R2 score of 0.981 and a root mean squared error (RMSE) of 0.0196 for the testing set. From the ground truth experimental data, it can be observed that negative capacitance prevails at a higher applied bias. Our developed model can closely predict the real and imaginary parts at a low frequency (50 Hz-300 mHz). Thus, our method makes recording of EIS more accessible and opens a new way in using the ML techniques for EIS.
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Affiliation(s)
- Nishi Parikh
- Department of Chemistry, School of Energy Technology, Pandit Deendayal Energy University, Gandhinagar 382 007, Gujarat, India
| | - Seckin Akin
- Department of Metallurgical and Materials Engineering, Karamanoglu Mehmetbey University, Karaman 70200, Turkey
| | - Abul Kalam
- Department of Chemistry, Faculty of Science, King Khalid University, Abha 61413, P.O. Box 9004, Saudi Arabia
| | - Daniel Prochowicz
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, Warsaw 01-224, Poland
| | - Pankaj Yadav
- Department of Solar Energy, School of Energy Technology, Pandit Deendayal Energy University, Gandhinagar 382 007, Gujarat, India
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35
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Ren X, Zhai Y, Wang P, Xu Z, Gao S, Chen X, Gu Q, Wang B, Li J, Liu SF, Yu J. Surface Restructuring of Zeolite-Encapsulated Halide Perovskite to Activate Lattice Oxygen Oxidation for Water Electrolysis. Adv Mater 2023:e2301166. [PMID: 37235720 DOI: 10.1002/adma.202301166] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Revised: 04/12/2023] [Indexed: 05/28/2023]
Abstract
Metal-halide perovskites possess great potential for electrochemical water splitting that has not been realized due to their intolerance to water. Here, methylammonium lead halide perovskites (MAPbX3 ) are used to electrocatalyze water oxidation in aqueous electrolytes by creating MAPbX3 @AlPO-5 host-guest composites. Due to the protective feature of the zeolite matrix, halide perovskite nanocrystals (NCs) confined in aluminophosphate AlPO-5 zeolites achieve an excellent stability in water. The resultant electrocatalyst undergoes dynamic surface restructuring during oxygen evolution reaction (OER) with the formation of an edge-sharing α-PbO2 active layer. The existence of charge-transfer interactions at the MAPbX3 /α-PbO2 interface significantly modulates the surface electron density of the α-PbO2 and optimizes the adsorption free energy of oxygen-containing intermediate species. Furthermore, the soft-lattice nature of halide perovskites enables more facile triggering of lattice-oxygen oxidation of nanostructured α-PbO2 , exhibiting pH-dependent OER activity and non-concerted proton-electron transfer for MAPbX3 @AlPO-5 composite. As a result, the developed MAPbBr3 @AlPO-5 composite manifests an ultralow overpotential of 233 mV at 10 mA·cm-2 in 1 M KOH. Our findings offer facile access to halide perovskite applied to water electrolysis with enhanced intrinsic activity, providing a new paradigm for designing high-efficiency OER electrocatalysts. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Xiangrong Ren
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, Shaanxi Key Laboratory for Advanced Energy Devices, Shaanxi Engineering Lab for Advanced Energy Technology, School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, 710119, P. R. China
| | - Yiyue Zhai
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, Shaanxi Key Laboratory for Advanced Energy Devices, Shaanxi Engineering Lab for Advanced Energy Technology, School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, 710119, P. R. China
| | - Peijun Wang
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, Shaanxi Key Laboratory for Advanced Energy Devices, Shaanxi Engineering Lab for Advanced Energy Technology, School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, 710119, P. R. China
- iChEM, Dalian Institute of Chemical Physics, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Dalian, 116023, P. R. China
| | - Zhuo Xu
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, Shaanxi Key Laboratory for Advanced Energy Devices, Shaanxi Engineering Lab for Advanced Energy Technology, School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, 710119, P. R. China
| | - Shiqin Gao
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, International Center of Future Science, Jilin University, Changchun, 130012, P. R. China
| | - Xiao Chen
- Beijing Key Laboratory of Green Chemical Reaction Engineering and Technology, Department of Chemical Engineering, Tsinghua University, Beijing, 100084, China
| | - Qinfen Gu
- Australian Synchrotron (ANSTO), Clayton, Victoria, 3168, Australia
| | - Bolun Wang
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, International Center of Future Science, Jilin University, Changchun, 130012, P. R. China
| | - Jiyang Li
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, International Center of Future Science, Jilin University, Changchun, 130012, P. R. China
| | - Shengzhong Frank Liu
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, Shaanxi Key Laboratory for Advanced Energy Devices, Shaanxi Engineering Lab for Advanced Energy Technology, School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, 710119, P. R. China
- iChEM, Dalian Institute of Chemical Physics, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Dalian, 116023, P. R. China
| | - Jihong Yu
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, International Center of Future Science, Jilin University, Changchun, 130012, P. R. China
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36
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Mermet-Lyaudoz R, Symonds C, Berry F, Drouard E, Chevalier C, Trippé-Allard G, Deleporte E, Bellessa J, Seassal C, Nguyen HS. Taming Friedrich-Wintgen Interference in a Resonant Metasurface: Vortex Laser Emitting at an On-Demand Tilted Angle. Nano Lett 2023; 23:4152-4159. [PMID: 37130341 DOI: 10.1021/acs.nanolett.2c04936] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
Friedrich-Wintgen (FW) interference is an atypical coupling mechanism that grants loss exchange between leaky resonances in non-Hermitian classical and quantum systems. Intriguingly, such a mechanism makes destructive interference possible for scenarios in which a radiating wave becomes a bound state in the continuum (BIC) by giving away all of its losses. Here we propose and demonstrate experimentally an original concept to tailor FW-BICs with polarization singularity at on-demand wavevectors in an optical metasurface. As a proof-of-concept, using hybrid organic-inorganic halide perovskite as an active material, we empower this novel polarization singularity to obtain lasing emission, exhibiting both highly directional emission at oblique angles and a polarization vortex in momentum space. Our results pave the way to steerable coherent emission with a tailored polarization pattern for applications in optical communication/manipulation in free space, high-resolution imaging/focusing, and data storage.
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Affiliation(s)
- Raphael Mermet-Lyaudoz
- Univ Lyon, Ecole Centrale de Lyon, INSA Lyon, Université Claude Bernard Lyon 1, CPE Lyon, CNRS, INL, UMR5270, Ecully 69130, France
| | - Clémentine Symonds
- Univ Lyon, Université Claude Bernard Lyon 1, CNRS, Institut Lumière Matière, F-69622 Lyon, France
| | - Florian Berry
- Univ Lyon, Ecole Centrale de Lyon, INSA Lyon, Université Claude Bernard Lyon 1, CPE Lyon, CNRS, INL, UMR5270, Ecully 69130, France
| | - Emmanuel Drouard
- Univ Lyon, Ecole Centrale de Lyon, INSA Lyon, Université Claude Bernard Lyon 1, CPE Lyon, CNRS, INL, UMR5270, Ecully 69130, France
| | - Céline Chevalier
- Univ Lyon, Ecole Centrale de Lyon, INSA Lyon, Université Claude Bernard Lyon 1, CPE Lyon, CNRS, INL, UMR5270, Ecully 69130, France
| | - Gaëlle Trippé-Allard
- Lumière, Matière et Interfaces (LuMIn) Laboratory, Université Paris-Saclay, ENS Paris-Saclay, CNRS, CentraleSupélec, 91190 Gif-sur-Yvette, France
| | - Emmanuelle Deleporte
- Lumière, Matière et Interfaces (LuMIn) Laboratory, Université Paris-Saclay, ENS Paris-Saclay, CNRS, CentraleSupélec, 91190 Gif-sur-Yvette, France
| | - Joel Bellessa
- Univ Lyon, Université Claude Bernard Lyon 1, CNRS, Institut Lumière Matière, F-69622 Lyon, France
| | - Christian Seassal
- Univ Lyon, Ecole Centrale de Lyon, INSA Lyon, Université Claude Bernard Lyon 1, CPE Lyon, CNRS, INL, UMR5270, Ecully 69130, France
| | - Hai Son Nguyen
- Univ Lyon, Ecole Centrale de Lyon, INSA Lyon, Université Claude Bernard Lyon 1, CPE Lyon, CNRS, INL, UMR5270, Ecully 69130, France
- Institut Universitaire de France (IUF), 75231 Paris, France
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37
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Chen M, Dong X, Chu D, Jia B, Zhang X, Zhao Z, Hao J, Zhang Y, Feng J, Ren X, Liang Y, Shi R, Najar A, Liu Y, Liu SF. Interlayer-Spacing Engineering of Lead-Free Perovskite Single Crystal for High-Performance X-Ray Imaging. Adv Mater 2023; 35:e2211977. [PMID: 36802105 DOI: 10.1002/adma.202211977] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 01/24/2023] [Indexed: 05/05/2023]
Abstract
Lead-free A3 Bi2 I9 -type perovskites are demonstrated as a class of promising semiconductors for high-performance X-ray detection due to their high bulk resistivity and strong X-ray absorption, as well as reduced ion migration. However, due to their long interlamellar distance along their c-axis, their limited carrier transport along the vertical direction is a bottleneck for their detection sensitivity. Herein, a new A-site cation of aminoguanidinium (AG) with all-NH2 terminals is designed to shorten the interlayer spacing by forming more and stronger NH···I hydrogen bonds. The prepared large AG3 Bi2 I9 single crystals (SCs) render shorter interlamellar distance for a larger mobility-lifetime product of 7.94 × 10-3 cm2 V-1 , which is three times higher than the value measured on the best MA3 Bi2 I9 SC (2.87 × 10-3 cm2 V-1 ). Therefore, the X-ray detectors fabricated on the AG3 Bi2 I9 SC exhibit high sensitivity of 5791 uC Gy-1 cm-2 , a low detection limit of 2.6 nGy s-1, and a short response time of 690 µs, all of which are far better than those of the state-of-the-art MA3 Bi2 I9 SC detectors. The combination of high sensitivity and high stability enables astonishingly high spatial resolution (8.7 lp mm-1 ) X-ray imaging. This work will facilitate the development of low-cost and high-performance lead-free X-ray detectors.
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Affiliation(s)
- Ming Chen
- Key Laboratory of Applied Surface and Colloid Chemistry, National Ministry of Education, Shaanxi Engineering Lab for Advanced Energy Technology, School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, 710119, P. R. China
- School of Electric Power, Civil Engineering and Architecture, School of Physics and Electronics Engineering, State Key Laboratory of Quantum Optics and Quantum Optics Devices, Shanxi University, Taiyuan, 030006, P. R. China
| | - Xiaofeng Dong
- Key Laboratory of Applied Surface and Colloid Chemistry, National Ministry of Education, Shaanxi Engineering Lab for Advanced Energy Technology, School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, 710119, P. R. China
- School of Electric Power, Civil Engineering and Architecture, School of Physics and Electronics Engineering, State Key Laboratory of Quantum Optics and Quantum Optics Devices, Shanxi University, Taiyuan, 030006, P. R. China
| | - Depeng Chu
- Key Laboratory of Applied Surface and Colloid Chemistry, National Ministry of Education, Shaanxi Engineering Lab for Advanced Energy Technology, School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, 710119, P. R. China
| | - Binxia Jia
- Key Laboratory of Applied Surface and Colloid Chemistry, National Ministry of Education, Shaanxi Engineering Lab for Advanced Energy Technology, School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, 710119, P. R. China
| | - Xiaojie Zhang
- Key Laboratory of Applied Surface and Colloid Chemistry, National Ministry of Education, Shaanxi Engineering Lab for Advanced Energy Technology, School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, 710119, P. R. China
| | - Zeqin Zhao
- Key Laboratory of Applied Surface and Colloid Chemistry, National Ministry of Education, Shaanxi Engineering Lab for Advanced Energy Technology, School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, 710119, P. R. China
| | - Jinglu Hao
- Key Laboratory of Applied Surface and Colloid Chemistry, National Ministry of Education, Shaanxi Engineering Lab for Advanced Energy Technology, School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, 710119, P. R. China
| | - Yunxia Zhang
- School of Science, Xi'an University of Posts & Telecommunications, Xi'an, 710121, P. R. China
| | - Jiangshan Feng
- Key Laboratory of Applied Surface and Colloid Chemistry, National Ministry of Education, Shaanxi Engineering Lab for Advanced Energy Technology, School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, 710119, P. R. China
| | - Xiaodong Ren
- Key Laboratory of Applied Surface and Colloid Chemistry, National Ministry of Education, Shaanxi Engineering Lab for Advanced Energy Technology, School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, 710119, P. R. China
| | - Yuqian Liang
- Key Laboratory of Applied Surface and Colloid Chemistry, National Ministry of Education, Shaanxi Engineering Lab for Advanced Energy Technology, School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, 710119, P. R. China
| | - Ruixin Shi
- Key Laboratory of Applied Surface and Colloid Chemistry, National Ministry of Education, Shaanxi Engineering Lab for Advanced Energy Technology, School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, 710119, P. R. China
| | - Adel Najar
- Department of Physics, College of Science, United Arab Emirates University, Al Ain, 15551, UAE
| | - Yucheng Liu
- Key Laboratory of Applied Surface and Colloid Chemistry, National Ministry of Education, Shaanxi Engineering Lab for Advanced Energy Technology, School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, 710119, P. R. China
| | - Shengzhong Frank Liu
- Key Laboratory of Applied Surface and Colloid Chemistry, National Ministry of Education, Shaanxi Engineering Lab for Advanced Energy Technology, School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, 710119, P. R. China
- State Key Laboratory of Catalysis, Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, P. R. China
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38
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Ermolaev G, Pushkarev AP, Zhizhchenko A, Kuchmizhak AA, Iorsh I, Kruglov I, Mazitov A, Ishteev A, Konstantinova K, Saranin D, Slavich A, Stosic D, Zhukova ES, Tselikov G, Di Carlo A, Arsenin A, Novoselov KS, Makarov SV, Volkov VS. Giant and Tunable Excitonic Optical Anisotropy in Single-Crystal Halide Perovskites. Nano Lett 2023; 23:2570-2577. [PMID: 36920328 DOI: 10.1021/acs.nanolett.2c04792] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
During the last years, giant optical anisotropy has demonstrated its paramount importance for light manipulation. In spite of recent advances in the field, the achievement of continuous tunability of optical anisotropy remains an outstanding challenge. Here, we present a solution to the problem through the chemical alteration of halogen atoms in single-crystal halide perovskites. As a result, we manage to continually modify the optical anisotropy by 0.14. We also discover that the halide perovskite can demonstrate optical anisotropy up to 0.6 in the visible range─the largest value among non-van der Waals materials. Moreover, our results reveal that this anisotropy could be in-plane and out-of-plane depending on perovskite shape─rectangular and square. As a practical demonstration, we have created perovskite anisotropic nanowaveguides and shown a significant impact of anisotropy on high-order guiding modes. These findings pave the way for halide perovskites as a next-generation platform for tunable anisotropic photonics.
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Affiliation(s)
- Georgy Ermolaev
- Emerging Technologies Research Center, XPANCEO, Dubai 00000, United Arab Emirates
- Center for Photonics and 2D Materials, Moscow Institute of Physics and Technology, Dolgoprudny 141700, Russia
| | - Anatoly P Pushkarev
- ITMO University, School of Physics and Engineering, St. Petersburg 197101, Russia
| | - Alexey Zhizhchenko
- Far Eastern Federal University, Vladivostok 690091, Russia
- Institute of Automation and Control Processes, Far Eastern Branch, Russian Academy of Science, Vladivostok 690041, Russia
| | - Aleksandr A Kuchmizhak
- Far Eastern Federal University, Vladivostok 690091, Russia
- Institute of Automation and Control Processes, Far Eastern Branch, Russian Academy of Science, Vladivostok 690041, Russia
| | - Ivan Iorsh
- ITMO University, School of Physics and Engineering, St. Petersburg 197101, Russia
| | - Ivan Kruglov
- Emerging Technologies Research Center, XPANCEO, Dubai 00000, United Arab Emirates
- Center for Photonics and 2D Materials, Moscow Institute of Physics and Technology, Dolgoprudny 141700, Russia
- Dukhov Research Institute of Automatics (VNIIA), Moscow 127055, Russia
| | - Arslan Mazitov
- Center for Photonics and 2D Materials, Moscow Institute of Physics and Technology, Dolgoprudny 141700, Russia
- Dukhov Research Institute of Automatics (VNIIA), Moscow 127055, Russia
| | - Arthur Ishteev
- LASE - Laboratory of Advanced Solar Energy, NUST MISiS, Moscow 119049, Russia
- N.N. Semenov Federal Research Center for Chemical Physics, Russian Academy of Sciences, Moscow 119991, Russia
| | - Kamilla Konstantinova
- LASE - Laboratory of Advanced Solar Energy, NUST MISiS, Moscow 119049, Russia
- Research and Practical Clinical Center for Diagnostics and Telemedicine Technologies of the Moscow Health Care Department, Moscow 127051, Russia
| | - Danila Saranin
- LASE - Laboratory of Advanced Solar Energy, NUST MISiS, Moscow 119049, Russia
| | - Aleksandr Slavich
- Center for Photonics and 2D Materials, Moscow Institute of Physics and Technology, Dolgoprudny 141700, Russia
| | - Dusan Stosic
- Center for Photonics and 2D Materials, Moscow Institute of Physics and Technology, Dolgoprudny 141700, Russia
| | - Elena S Zhukova
- Center for Photonics and 2D Materials, Moscow Institute of Physics and Technology, Dolgoprudny 141700, Russia
| | - Gleb Tselikov
- Emerging Technologies Research Center, XPANCEO, Dubai 00000, United Arab Emirates
- Center for Photonics and 2D Materials, Moscow Institute of Physics and Technology, Dolgoprudny 141700, Russia
| | - Aldo Di Carlo
- LASE - Laboratory of Advanced Solar Energy, NUST MISiS, Moscow 119049, Russia
- CHOSE - Centre of Hybrid and Organic Solar Energy, Department of Electronics Engineering, Rome 00133, Italy
| | - Aleksey Arsenin
- Emerging Technologies Research Center, XPANCEO, Dubai 00000, United Arab Emirates
- Center for Photonics and 2D Materials, Moscow Institute of Physics and Technology, Dolgoprudny 141700, Russia
- Laboratory of Advanced Functional Materials, Yerevan State University, Yerevan 0025, Armenia
| | - Kostya S Novoselov
- National Graphene Institute (NGI), University of Manchester, Manchester M13 9PL, United Kingdom
- Institute for Functional Intelligent Materials, National University of Singapore, 117544 Singapore
- Chongqing 2D Materials Institute, Chongqing 400714, China
| | - Sergey V Makarov
- ITMO University, School of Physics and Engineering, St. Petersburg 197101, Russia
- Qingdao Innovation and Development Center, Harbin Engineering University, Qingdao, Shandong 266000, China
| | - Valentyn S Volkov
- Emerging Technologies Research Center, XPANCEO, Dubai 00000, United Arab Emirates
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39
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Lai Z, Zhang Y, Meng Y, Bu X, Wang W, Xie P, Wang W, Liu C, Yip S, Ho JC. Contact Engineering of Halide Perovskites: Gold is Not Good Enough; Metalloid is Better. Small Methods 2023:e2201567. [PMID: 37029706 DOI: 10.1002/smtd.202201567] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/27/2022] [Revised: 02/27/2023] [Indexed: 06/19/2023]
Abstract
The operation stability of halide perovskite devices is the critical issue that impedes their commercialization. The main reasons are that the ambient H2 O molecules can easily deteriorate the perovskites, while the metal electrodes react in different degrees with the perovskites. Herein, one kind of new electrode, the metalloids, is reported, which are much more stable than the conventional noble metals as electrical contacts for halide perovskites. The degradation mechanism of halide perovskites with noble metal electrodes is carefully studied and compared with the metalloid electrodes. It is found that the iodide ions can easily halogenate Cu and Ag in halide perovskites. Although Au is almost not halogenated, it can also decompose the perovskite film. On the contrary, after long-term storage, the metalloid electrodes remain intact on the perovskite film without any degradation. In addition, the long-time operation stability of the perovskite devices with metalloid electrodes is much higher than that of noble metals. First-principles calculations confirm the exceptional stability of the metalloid electrodes.This work explores the ultra-stable electrodes for halide perovskites, paving the way to the large-scale deployment of perovskite-based electronic devices.
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Affiliation(s)
- Zhengxun Lai
- Department of Materials Science and Engineering, City University of Hong Kong, Kowloon, Hong Kong SAR, 999077, China
| | - Yuxuan Zhang
- Department of Materials Science and Engineering, City University of Hong Kong, Kowloon, Hong Kong SAR, 999077, China
| | - You Meng
- Department of Materials Science and Engineering, City University of Hong Kong, Kowloon, Hong Kong SAR, 999077, China
- State Key Laboratory of Terahertz and Millimeter Waves, City University of Hong Kong, Kowloon, Hong Kong SAR, 999077, China
| | - Xiuming Bu
- Department of Materials Science and Engineering, City University of Hong Kong, Kowloon, Hong Kong SAR, 999077, China
| | - Wei Wang
- Department of Materials Science and Engineering, City University of Hong Kong, Kowloon, Hong Kong SAR, 999077, China
| | - Pengshan Xie
- Department of Materials Science and Engineering, City University of Hong Kong, Kowloon, Hong Kong SAR, 999077, China
| | - Weijun Wang
- Department of Materials Science and Engineering, City University of Hong Kong, Kowloon, Hong Kong SAR, 999077, China
| | - Chuntai Liu
- Key Laboratory of Advanced Materials Processing & Mold (Zhengzhou University), Ministry of Education, Zhengzhou, 450002, China
| | - SenPo Yip
- Institute for Materials Chemistry and Engineering, Kyushu University, Fukuoka, 816-8580, Japan
| | - Johnny C Ho
- Department of Materials Science and Engineering, City University of Hong Kong, Kowloon, Hong Kong SAR, 999077, China
- State Key Laboratory of Terahertz and Millimeter Waves, City University of Hong Kong, Kowloon, Hong Kong SAR, 999077, China
- Institute for Materials Chemistry and Engineering, Kyushu University, Fukuoka, 816-8580, Japan
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40
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Zhou X, Han K, Wang Y, Jin J, Jiang S, Zhang Q, Xia Z. Energy-Trapping Management in X-Ray Storage Phosphors for Flexible 3D Imaging. Adv Mater 2023; 35:e2212022. [PMID: 36807928 DOI: 10.1002/adma.202212022] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 02/10/2023] [Indexed: 06/18/2023]
Abstract
X-ray imaging has received sustained attention for healthcare diagnostics and nondestructive inspection. To develop photonic materials with tunable photophysical properties in principle accelerates radiation detection technologies. Here the rational design and synthesis of doped halide perovskite CsCdCl3 :Mn2+ , R4+ (R = Ti, Zr, Hf, and Sn) are reported as next generation X-ray storage phosphors, and the capability is greatly improved by trap management via Mn2+ site occupation manipulation and heterovalent substitution. Specially, CsCdCl3 :Mn2+ , Zr4+ displays zero-thermal-quenching (TQ) radioluminescence and anti-TQ X-ray-activated persistent luminescence even up to 448 K, further revealing the charge-carrier compensation and redeployment mechanisms. X-ray imaging with the resolution of 12.5 lp mm-1 is demonstrated, and convenient 3D X-ray imaging for the curved objects is realized in a time-lapse manner. This work demonstrates efficient modulation of energy traps to achieve high storage capacities and promote future research into flexible X-ray detectors.
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Affiliation(s)
- Xinquan Zhou
- State Key Laboratory of Luminescent Materials and Devices, Guangdong Provincial Key Laboratory of Fiber Laser Materials and Applied Techniques, Guangdong Engineering Technology Research and Development Centre of Special Optical Fiber Materials and Devices, School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510641, China
| | - Kai Han
- State Key Laboratory of Luminescent Materials and Devices, Guangdong Provincial Key Laboratory of Fiber Laser Materials and Applied Techniques, Guangdong Engineering Technology Research and Development Centre of Special Optical Fiber Materials and Devices, School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510641, China
| | - Yexin Wang
- Spin-X Institute, School of Chemistry and Chemical Engineering, State Key Laboratory of Luminescent Materials and Devices, Guangdong-Hong Kong-Macao Joint Laboratory of Optoelectronic and Magnetic Functional Materials, South China University of Technology, Guangzhou, 510641, China
| | - Jiance Jin
- State Key Laboratory of Luminescent Materials and Devices, Guangdong Provincial Key Laboratory of Fiber Laser Materials and Applied Techniques, Guangdong Engineering Technology Research and Development Centre of Special Optical Fiber Materials and Devices, School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510641, China
| | - Shangda Jiang
- Spin-X Institute, School of Chemistry and Chemical Engineering, State Key Laboratory of Luminescent Materials and Devices, Guangdong-Hong Kong-Macao Joint Laboratory of Optoelectronic and Magnetic Functional Materials, South China University of Technology, Guangzhou, 510641, China
| | - Qinyuan Zhang
- School of Physics and Optoelectronics, South China University of Technology, Guangzhou, Guangdong, 510641, China
| | - Zhiguo Xia
- State Key Laboratory of Luminescent Materials and Devices, Guangdong Provincial Key Laboratory of Fiber Laser Materials and Applied Techniques, Guangdong Engineering Technology Research and Development Centre of Special Optical Fiber Materials and Devices, School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510641, China
- School of Physics and Optoelectronics, South China University of Technology, Guangzhou, Guangdong, 510641, China
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41
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Lampe C, Kouroudis I, Harth M, Martin S, Gagliardi A, Urban AS. Rapid Data-Efficient Optimization of Perovskite Nanocrystal Syntheses through Machine Learning Algorithm Fusion. Adv Mater 2023; 35:e2208772. [PMID: 36681859 DOI: 10.1002/adma.202208772] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Revised: 01/18/2023] [Indexed: 06/17/2023]
Abstract
With the demand for renewable energy and efficient devices rapidly increasing, a need arises to find and optimize novel (nano)materials. With sheer limitless possibilities for material combinations and synthetic procedures, obtaining novel, highly functional materials has been a tedious trial and error process. Recently, machine learning has emerged as a powerful tool to help optimize syntheses; however, most approaches require a substantial amount of input data, limiting their pertinence. Here, three well-known machine-learning models are merged with Bayesian optimization into one to optimize the synthesis of CsPbBr3 nanoplatelets with limited data demand. The algorithm can accurately predict the photoluminescence emission maxima of nanoplatelet dispersions using only the three precursor ratios as input parameters. This allows us to fabricate previously unobtainable seven and eight monolayer-thick nanoplatelets. Moreover, the algorithm dramatically improves the homogeneity of 2-6-monolayer-thick nanoplatelet dispersions, as evidenced by narrower and more symmetric photoluminescence spectra. Decisively, only 200 total syntheses are required to achieve this vast improvement, highlighting how rapidly material properties can be optimized. The algorithm is highly versatile and can incorporate additional synthetic parameters. Accordingly, it is readily applicable to other less-explored nanocrystal syntheses and can help rapidly identify and improve exciting compositions' quality.
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Affiliation(s)
- Carola Lampe
- Nanospectroscopy Group and Center for NanoScience, Nano-Institute Munich, Faculty of Physics, Ludwig-Maximilians-Universität München, 80539, Munich, Germany
| | - Ioannis Kouroudis
- Department of Electrical and Computer Engineering, Technical University of Munich, Hans-Piloty-Straße 1, 85748, Garching bei München, Germany
| | - Milan Harth
- Department of Electrical and Computer Engineering, Technical University of Munich, Hans-Piloty-Straße 1, 85748, Garching bei München, Germany
| | - Stefan Martin
- Nanospectroscopy Group and Center for NanoScience, Nano-Institute Munich, Faculty of Physics, Ludwig-Maximilians-Universität München, 80539, Munich, Germany
| | - Alessio Gagliardi
- Department of Electrical and Computer Engineering, Technical University of Munich, Hans-Piloty-Straße 1, 85748, Garching bei München, Germany
| | - Alexander S Urban
- Nanospectroscopy Group and Center for NanoScience, Nano-Institute Munich, Faculty of Physics, Ludwig-Maximilians-Universität München, 80539, Munich, Germany
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42
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Kashtiban RJ, Patrick CE, Ramasse Q, Walton RI, Sloan J. Picoperovskites: The Smallest Conceivable Isolated Halide Perovskite Structures Formed within Carbon Nanotubes. Adv Mater 2023; 35:e2208575. [PMID: 36528852 DOI: 10.1002/adma.202208575] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/18/2022] [Revised: 11/24/2022] [Indexed: 06/17/2023]
Abstract
Halide perovskite structures are revolutionizing the design of optoelectronic materials, including solar cells, light-emitting diodes, and photovoltaics when formed at the quantum scale. Four isolated sub-nanometer, or picoscale, halide perovskite structures formed inside ≈1.2-1.6 nm single-walled carbon nanotubes (SWCNTs) by melt insertion from CsPbBr3 and lead-free CsSnI3 are reported. Three directly relate to the ABX3 perovskite archetype while a fourth is a perovskite-like lamellar structure with alternating Cs4 and polyhedral Sn4 Ix layers. In ≈1.4 nm-diameter SWCNTs, CsPbBr3 forms Cs3 PbII Br5 nanowires, one ABX3 unit cell in cross section with the Pb2+ oxidation state maintained by ordered Cs+ vacancies. Within ≈1.2 nm-diameter SWCNTs, CsPbBr3 and CsSnI3 form inorganic-polymer-like bilayer structures, one-fourth of an ABX3 unit cell in cross section with systematically reproduced ABX3 stoichiometry. Producing these smallest halide perovskite structures at their absolute synthetic cross-sectional limit enables quantum confinement effects with first-principles calculations demonstrating bandgap widening compared to corresponding bulk structural forms.
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Affiliation(s)
- Reza J Kashtiban
- Department of Physics, University of Warwick, Coventry, CV4 7AL, UK
| | | | - Quentin Ramasse
- SuperSTEM Laboratory, SciTech Daresbury Campus, Daresbury, WA44AD, UK
- School of Chemical and Process Engineering, University of Leeds, Leeds, LS2 9JT, UK
| | - Richard I Walton
- Department of Chemistry, University of Warwick, Coventry, CV4 7AL, UK
| | - Jeremy Sloan
- Department of Physics, University of Warwick, Coventry, CV4 7AL, UK
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43
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Sánchez RS, Villanueva-Antolí A, Bou A, Ruiz-Murillo M, Mora-Seró I, Bisquert J. Radiative Recombination Processes in Halide Perovskites Observed by Light Emission Voltage Modulated Spectroscopy. Adv Mater 2023; 35:e2207993. [PMID: 36401575 DOI: 10.1002/adma.202207993] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Revised: 11/01/2022] [Indexed: 06/16/2023]
Abstract
The kinetics of light emission in halide perovskite light-emitting diodes (LEDs) and solar cells is composed of a radiative recombination of voltage-injected carriers mediated by additional steps such as carrier trapping, redistribution of injected carriers, and photon recycling that affect the observed luminescence decays. These processes are investigated in high-performance halide perovskite LEDs, with external quantum efficiency (EQE) and luminance values higher than 20% and 80 000 Cd m-2 , by measuring the frequency-resolved emitted light with respect to modulated voltage through a new methodology termed light emission voltage modulated spectroscopy (LEVS). The spectra are shown to provide detailed information on at least three different characteristic times. Essentially, new information is obtained with respect to the electrical method of impedance spectroscopy (IS), and overall, LEVS shows promise to capture internal kinetics that are difficult to be discerned by other techniques.
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Affiliation(s)
- Rafael S Sánchez
- Institute of Advanced Materials (INAM), Universitat Jaume I, Castelló, 12006, Spain
| | | | - Agustín Bou
- Institute of Advanced Materials (INAM), Universitat Jaume I, Castelló, 12006, Spain
| | | | - Iván Mora-Seró
- Institute of Advanced Materials (INAM), Universitat Jaume I, Castelló, 12006, Spain
| | - Juan Bisquert
- Institute of Advanced Materials (INAM), Universitat Jaume I, Castelló, 12006, Spain
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44
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Chirvony VS, Suárez I, Sanchez-Diaz J, Sánchez RS, Rodríguez-Romero J, Mora-Seró I, Martínez-Pastor JP. Unusual Spectrally Reproducible and High Q-Factor Random Lasing in Polycrystalline Tin Perovskite Films. Adv Mater 2023; 35:e2208293. [PMID: 36385442 DOI: 10.1002/adma.202208293] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Revised: 10/21/2022] [Indexed: 06/16/2023]
Abstract
An unusual spectrally reproducible near-IR random lasing (RL) with no fluctuation of lasing peak wavelength is disclosed in polycrystalline films of formamidinium tin triiodide perovskite, which have been chemically stabilized against Sn2+ to Sn4+ oxidation. Remarkably, a quality Q-factor as high as ≈104 with an amplified spontaneous emission (ASE) threshold as low as 2 µJ cm-2 (both at 20 K) are achieved. The observed spectral reproducibility is unprecedented for semiconductor thin film RL systems and cannot be explained by the strong spatial localization of lasing modes. Instead, it is suggested that the spectral stability is a result of such an unique property of Sn-based perovskites as a large inhomogeneous broadening of the emitting centers, which is a consequence of an intrinsic structural inhomogeneity of the material. Due to this, lasing can occur simultaneously in modes that are spatially strongly overlapped, as long as the spectral separation between the modes is larger than the homogeneous linewidth of the emitting centers. The discovered mechanism of RL spectral stability in semiconductor materials, possessing inhomogeneous broadening, opens up prospects for their practical use as cheap sources of narrow laser lines.
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Affiliation(s)
- Vladimir S Chirvony
- UMDO, Instituto de Ciencia de los Materiales, Universidad de Valencia, Valencia, 46980, Spain
| | - Isaac Suárez
- Escuela Técnica Superior de Ingeniería, Universidad de Valencia, Valencia, 46100, Spain
| | - Jesus Sanchez-Diaz
- Institute of Advanced Materials (INAM), Universitat Jaume I, Castelló de la Plana, Castelló, 12006, Spain
| | - Rafael S Sánchez
- Institute of Advanced Materials (INAM), Universitat Jaume I, Castelló de la Plana, Castelló, 12006, Spain
| | - Jesús Rodríguez-Romero
- Facultad de Química, Universidad Nacional Autónoma de México, Coyoacán, Ciudad de México, 04510, Mexico
| | - Iván Mora-Seró
- Institute of Advanced Materials (INAM), Universitat Jaume I, Castelló de la Plana, Castelló, 12006, Spain
| | - Juan P Martínez-Pastor
- UMDO, Instituto de Ciencia de los Materiales, Universidad de Valencia, Valencia, 46980, Spain
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45
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Shin D, Lai M, Shin Y, Du JS, Jibril L, Rondinelli JM, Mirkin CA. From Heterostructures to Solid-Solutions: Structural Tunability in Mixed Halide Perovskites. Adv Mater 2023; 35:e2205923. [PMID: 36205651 DOI: 10.1002/adma.202205923] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Revised: 09/24/2022] [Indexed: 06/16/2023]
Abstract
The stability, reliability, and performance of halide-perovskite-based devices depend upon the structure, composition, and particle size of the device-enabling materials. Indeed, the degree of ion mixing in multicomponent perovskite crystals, although challenging to control, is a key factor in determining properties. Herein, an emerging method termed evaporation-crystallization polymer pen lithography is used to synthesize and systematically study the degree of ionic mixing of Cs0.5 FA0.5 PbX3 (FA = formamidinium; X = halide anion, ABX3 ) crystals, as a function of size, temperature, and composition. These experiments have led to the discovery of a heterostructure morphology where the A-site cations, Cs and FA, are segregated into the core and edge layers, respectively. Simulation and experimental results indicate that the heterostructures form as a consequence of a combination of both differences in solubility of the two ions in solution and the enthalpic preference for Cs-FA ion segregation. This preference for segregation can be overcome to form a solid-solution by decreasing crystal size (<60 nm) or increasing temperature. Finally, these tools are utilized to identify and synthesize solid-solution nanocrystals of Cs0.5 FA0.5 Pb(Br/I)3 that significantly suppress photoinduced anion migration compared to their bulk counterparts, offering a route to deliberately designed photostable optoelectronic materials.
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Affiliation(s)
- Donghoon Shin
- Department of Materials Science and Engineering, Northwestern University, 2220 Campus Drive, Evanston, IL, 60208, USA
- International Institute for Nanotechnology, Northwestern University, Evanston, IL, 60208, USA
| | - Minliang Lai
- International Institute for Nanotechnology, Northwestern University, Evanston, IL, 60208, USA
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, IL, 60208, USA
| | - Yongjin Shin
- Department of Materials Science and Engineering, Northwestern University, 2220 Campus Drive, Evanston, IL, 60208, USA
- International Institute for Nanotechnology, Northwestern University, Evanston, IL, 60208, USA
| | - Jingshan S Du
- Department of Materials Science and Engineering, Northwestern University, 2220 Campus Drive, Evanston, IL, 60208, USA
- International Institute for Nanotechnology, Northwestern University, Evanston, IL, 60208, USA
| | - Liban Jibril
- Department of Materials Science and Engineering, Northwestern University, 2220 Campus Drive, Evanston, IL, 60208, USA
- International Institute for Nanotechnology, Northwestern University, Evanston, IL, 60208, USA
| | - James M Rondinelli
- Department of Materials Science and Engineering, Northwestern University, 2220 Campus Drive, Evanston, IL, 60208, USA
- International Institute for Nanotechnology, Northwestern University, Evanston, IL, 60208, USA
| | - Chad A Mirkin
- Department of Materials Science and Engineering, Northwestern University, 2220 Campus Drive, Evanston, IL, 60208, USA
- International Institute for Nanotechnology, Northwestern University, Evanston, IL, 60208, USA
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, IL, 60208, USA
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46
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Thien GSH, Chan KY, Marlinda AR. The Role of Polymers in Halide Perovskite Resistive Switching Devices. Polymers (Basel) 2023; 15:polym15051067. [PMID: 36904308 PMCID: PMC10007671 DOI: 10.3390/polym15051067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Revised: 02/02/2023] [Accepted: 02/10/2023] [Indexed: 02/24/2023] Open
Abstract
Currently, halide perovskites (HPs) are gaining traction in multiple applications, such as photovoltaics and resistive switching (RS) devices. In RS devices, the high electrical conductivity, tunable bandgap, good stability, and low-cost synthesis and processing make HPs promising as active layers. Additionally, the use of polymers in improving the RS properties of lead (Pb) and Pb-free HP devices was described in several recent reports. Thus, this review explored the in-depth role of polymers in optimizing HP RS devices. In this review, the effect of polymers on the ON/OFF ratio, retention, and endurance properties was successfully investigated. The polymers were discovered to be commonly utilized as passivation layers, charge transfer enhancement, and composite materials. Hence, further HP RS improvement integrated with polymers revealed promising approaches to delivering efficient memory devices. Based on the review, detailed insights into the significance of polymers in producing high-performance RS device technology were effectively understood.
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Affiliation(s)
- Gregory Soon How Thien
- Centre for Advanced Devices and Systems, Faculty of Engineering, Multimedia University, Persiaran Multimedia, Cyberjaya 63100, Selangor, Malaysia
| | - Kah-Yoong Chan
- Centre for Advanced Devices and Systems, Faculty of Engineering, Multimedia University, Persiaran Multimedia, Cyberjaya 63100, Selangor, Malaysia
- Correspondence:
| | - Ab Rahman Marlinda
- Nanotechnology and Catalysis Research Centre (NANOCAT), Universiti Malaya, Kuala Lumpur 50603, Malaysia
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47
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Li Z, Jia B, Fang S, Li Q, Tian F, Li H, Liu R, Liu Y, Zhang L, Liu S(F, Liu B. Pressure-Tuning Photothermal Synergy to Optimize the Photoelectronic Properties in Amorphous Halide Perovskite Cs 3 Bi 2 I 9. Adv Sci (Weinh) 2023; 10:e2205837. [PMID: 36581471 PMCID: PMC9951572 DOI: 10.1002/advs.202205837] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Revised: 11/12/2022] [Indexed: 06/17/2023]
Abstract
Effective modification of the structure and properties of halide perovskites via the pressure engineering strategy has attracted enormous interest in the past decade. However, sufficient effort and insights regarding the potential properties and applications of the high-pressure amorphous phase are still lacking. Here, the superior and tunable photoelectric properties that occur in the pressure-induced amorphization process of the halide perovskite Cs3 Bi2 I9 are demonstrated. With increasing pressure, the photocurrent with xenon lamp illumination exhibits a rapid increase and achieves an almost five orders of magnitude increment compared to its initial value. Impressively, a broadband photoresponse from 520 to 1650 nm with an optimal responsivity of 6.81 mA W-1 and fast response times of 95/96 ms at 1650 nm is achieved upon successive compression. The high-gain, fast, broadband, and dramatically enhanced photoresponse properties of Cs3 Bi2 I9 are the result of comprehensive photoconductive and photothermoelectric mechanisms, which are associated with enhanced orbital coupling caused by an increase in BiI interactions in the [BiI6 ]3- cluster, even in the amorphous state. These findings provide new insights for further exploring the potential properties and applications of amorphous perovskites.
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Affiliation(s)
- Zonglun Li
- State Key Laboratory of Superhard MaterialsJilin UniversityChangchun130012P. R. China
| | - Binxia Jia
- Key Laboratory of Applied Surface and Colloid ChemistryNational Ministry of EducationShaanxi Engineering Lab for Advanced Energy TechnologySchool of Materials Science and EngineeringShaanxi Normal UniversityXi'an710119P. R. China
| | - Sixue Fang
- State Key Laboratory of Superhard MaterialsJilin UniversityChangchun130012P. R. China
| | - Quanjun Li
- State Key Laboratory of Superhard MaterialsJilin UniversityChangchun130012P. R. China
| | - Fuyu Tian
- Key Laboratory of Automobile Materials of MOE and School of Materials Science and EngineeringJilin UniversityChangchun130012P. R. China
| | - Haiyan Li
- State Key Laboratory of Superhard MaterialsJilin UniversityChangchun130012P. R. China
| | - Ran Liu
- State Key Laboratory of Superhard MaterialsJilin UniversityChangchun130012P. R. China
| | - Yucheng Liu
- Key Laboratory of Applied Surface and Colloid ChemistryNational Ministry of EducationShaanxi Engineering Lab for Advanced Energy TechnologySchool of Materials Science and EngineeringShaanxi Normal UniversityXi'an710119P. R. China
| | - Lijun Zhang
- Key Laboratory of Automobile Materials of MOE and School of Materials Science and EngineeringJilin UniversityChangchun130012P. R. China
| | - Shengzhong (Frank) Liu
- Key Laboratory of Applied Surface and Colloid ChemistryNational Ministry of EducationShaanxi Engineering Lab for Advanced Energy TechnologySchool of Materials Science and EngineeringShaanxi Normal UniversityXi'an710119P. R. China
| | - Bingbing Liu
- State Key Laboratory of Superhard MaterialsJilin UniversityChangchun130012P. R. China
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48
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Zhang B, Sun S, Jia Y, Dai J, Rathnayake DTN, Huang X, Casasent J, Adhikari G, Billy TA, Lu Y, Zeng XC, Guo Y. Simple Visualization of Universal Ferroelastic Domain Walls in Lead Halide Perovskites. Adv Mater 2023; 35:e2208336. [PMID: 36493380 DOI: 10.1002/adma.202208336] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2022] [Revised: 11/14/2022] [Indexed: 06/17/2023]
Abstract
Domain features and domain walls in lead halide perovskites (LHPs) have attracted broad interest due to their potential impact on optoelectronic properties of this unique class of solution-processable semiconductors. Using nonpolarized light and simple imaging configurations, ferroelastic twin domains and their switchings through multiple consecutive phase transitions are directly visualized. This direct optical contrast originates from finite optical reflections at the wall interface between two compositionally identical, orientationally different, optically anisotropic domains inside the material bulk. The findings show these domain walls serve as internal reflectors and steer energy transport inside halide perovskites optically. First-principles calculations show universal low domain-wall energies and modest energy barriers of domain switching, confirming their prevalent appearance, stable presence, and facile moving observed in the experiments. The generality of ferroelasticity in halide perovskites stems from their soft bonding characteristics. This work shows the feasibility of using LHP twin domain walls as optical guides of internal photoexcitations, capable of nonvolatile on-off switching and tunable positioning endowed by their universal ferroelasticity.
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Affiliation(s)
- Bo Zhang
- Department of Chemistry, University of Nebraska-Lincoln, Lincoln, NE, 68588, USA
| | - Shuo Sun
- Department of Chemistry, University of Nebraska-Lincoln, Lincoln, NE, 68588, USA
| | - Yinglu Jia
- Department of Chemistry, University of Nebraska-Lincoln, Lincoln, NE, 68588, USA
| | - Jun Dai
- Department of Chemistry, University of Nebraska-Lincoln, Lincoln, NE, 68588, USA
| | | | - Xi Huang
- Department of Electrical and Computer Engineering, University of Nebraska-Lincoln, Lincoln, NE, 68588, USA
| | - Jade Casasent
- Department of Chemistry, University of Nebraska-Lincoln, Lincoln, NE, 68588, USA
- School of Natural Sciences, St. Edward's University, Austin, TX, 78704, USA
| | - Gopi Adhikari
- Department of Chemistry, University of Nebraska-Lincoln, Lincoln, NE, 68588, USA
| | - Temban Acha Billy
- Department of Chemistry, University of Nebraska-Lincoln, Lincoln, NE, 68588, USA
| | - Yongfeng Lu
- Department of Electrical and Computer Engineering, University of Nebraska-Lincoln, Lincoln, NE, 68588, USA
| | - Xiao Cheng Zeng
- Department of Chemistry, University of Nebraska-Lincoln, Lincoln, NE, 68588, USA
- Department of Materials Science & Engineering, City University of Hong Kong, Kowloon, 999077, Hong Kong
| | - Yinsheng Guo
- Department of Chemistry, University of Nebraska-Lincoln, Lincoln, NE, 68588, USA
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49
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Chen S, Yin H, Liu P, Wang Y, Zhao H. Stabilization and Performance Enhancement Strategies for Halide Perovskite Photocatalysts. Adv Mater 2023; 35:e2203836. [PMID: 35900361 DOI: 10.1002/adma.202203836] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Revised: 07/15/2022] [Indexed: 06/15/2023]
Abstract
Solar-energy-powered photocatalytic fuel production and chemical synthesis are widely recognized as viable technological solutions for a sustainable energy future. However, the requirement of high-performance photocatalysts is a major bottleneck. Halide perovskites, a category of diversified semiconductor materials with suitable energy-band-enabled high-light-utilization efficiencies, exceptionally long charge-carrier-diffusion-length-facilitated charge transport, and readily tailorable compositional, structural, and morphological properties, have emerged as a new class of photocatalysts for efficient hydrogen evolution, CO2 reduction, and various organic synthesis reactions. Despite the noticeable progress, the development of high-performance halide perovskite photocatalysts (HPPs) is still hindered by several key challenges: the strong ionic nature and high hydrolysis tendency induce instability and an unsatisfactory activity due to the need for a coactive component to realize redox processes. Herein, the recently developed advanced strategies to enhance the stability and photocatalytic activity of HPPs are comprehensively reviewed. The widely applicable stability enhancement strategies are first articulated, and the activity improvement strategies for fuel production and chemical synthesis are then explored. Finally, the challenges and future perspectives associated with the application of HPPs in efficient production of fuels and value-added chemicals are presented, indicating the irreplaceable role of the HPPs in the field of photocatalysis.
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Affiliation(s)
- Shan Chen
- Institutes of Physical Science and Information Technology, Anhui University, Hefei, 230039, P. R. China
| | - Huajie Yin
- Institute of Solid State Physics, Hefei Institutes of Physical ScienceChinese Academy of Sciences, 230031, Hefei, P. R. China
| | - Porun Liu
- Centre for Catalysis and Clean Energy, Gold Cost Campus, Griffith University, Queensland, 4222, Australia
| | - Yun Wang
- Centre for Catalysis and Clean Energy, Gold Cost Campus, Griffith University, Queensland, 4222, Australia
| | - Huijun Zhao
- Centre for Catalysis and Clean Energy, Gold Cost Campus, Griffith University, Queensland, 4222, Australia
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50
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Murzin AO, Samsonova AY, Stoumpos CC, Selivanov NI, Emeline AV, Kapitonov YV. Diffuse Reflectance Spectroscopy with Dilution: A Powerful Method for Halide Perovskites Study. Molecules 2023; 28:molecules28010350. [PMID: 36615542 PMCID: PMC9823841 DOI: 10.3390/molecules28010350] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/24/2022] [Revised: 12/15/2022] [Accepted: 12/25/2022] [Indexed: 01/04/2023]
Abstract
Halide perovskites and their low-dimensional analogs are promising semiconductor materials for solar cells, LEDs, lasers, detectors and other applications in the area of photonics. The most informative optical property of semiconductor photonics materials is the absorption spectrum enabling observation of the fundamental absorption edge, exciton structure, defect-related bands, etc. Traditionally, in the study of halide perovskites, this spectrum is obtained by absorption spectroscopy of thin films or diffuse reflectance spectroscopy of powders. The first method is applicable only to compounds with the developed thin film deposition technology, and in the second case, a large absorption coefficient narrows the observations down to the sample transparency region. In this paper, we suggest the diffuse reflectance spectroscopy with dilution as a method for obtaining the full-range absorption spectrum from halide perovskite powders, and demonstrate its application to practically important cases.
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Affiliation(s)
- Aleksei O. Murzin
- Photonics of Crystals Laboratory, Saint Petersburg State University, Ulyanovskaya d.1, St. Petersburg 198504, Russia
| | - Anna Yu. Samsonova
- Photonics of Crystals Laboratory, Saint Petersburg State University, Ulyanovskaya d.1, St. Petersburg 198504, Russia
| | - Constantinos C. Stoumpos
- Photonics of Crystals Laboratory, Saint Petersburg State University, Ulyanovskaya d.1, St. Petersburg 198504, Russia
- Department of Materials Science and Technology, University of Crete, Voutes, GR-70013 Heraklion, Greece
- Correspondence:
| | - Nikita I. Selivanov
- Photonics of Crystals Laboratory, Saint Petersburg State University, Ulyanovskaya d.1, St. Petersburg 198504, Russia
| | - Alexei V. Emeline
- Photonics of Crystals Laboratory, Saint Petersburg State University, Ulyanovskaya d.1, St. Petersburg 198504, Russia
| | - Yury V. Kapitonov
- Photonics of Crystals Laboratory, Saint Petersburg State University, Ulyanovskaya d.1, St. Petersburg 198504, Russia
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