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Yang W, Shi R, Lu H, Liu K, Yan Q, Bai Y, Ding X, Li H, Gao Z. Revisiting the thermal decomposition mechanism of MAPbI 3. Phys Chem Chem Phys 2024; 26:17999-18005. [PMID: 38894597 DOI: 10.1039/d4cp01318b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/21/2024]
Abstract
The thermal stability of MAPbI3 poses a challenge for the industry. To overcome this limitation, a thorough investigation of MAPbI3 is necessary. In this work, thermal gravimetric analysis (TGA) and Fourier transform infrared (FTIR) spectroscopy were conducted to identify the thermal decomposition products of MAPbI3, which were found to be CH3I, NH3, and PbI2. In situ X-ray diffraction (XRD) measurements were then performed in the temperature range from 300 to 700 K, which revealed the significant decomposition of the (110), (220), and (310) surfaces of MAPbI3 between 550 and 600 K. Density functional theory (DFT) calculations demonstrated that the (220) surface exhibited the highest stability. Additionally, the transition states of thermal decomposition showed that the energy barrier for the decomposition of the (110) surface was 2.07 eV. Our combined experimental and theoretical results provide a better understanding of the thermal decomposition mechanism of MAPbI3, providing valuable theoretical support for the design of long-term stable devices.
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Affiliation(s)
- Weijie Yang
- Department of Power Engineering, North China Electric Power University, Baoding 071003, Hebei, China.
- Hebei Key Laboratory of Low Carbon and High-Efficiency Power Generation Technology, North China Electric Power University, Baoding 071003, Hebei, China
- Baoding Key Laboratory of Low Carbon and High-Efficiency Power Generation Technology, North China Electric Power University, Baoding 071003, Hebei, China
| | - Ruiyang Shi
- Department of Power Engineering, North China Electric Power University, Baoding 071003, Hebei, China.
- Hebei Key Laboratory of Low Carbon and High-Efficiency Power Generation Technology, North China Electric Power University, Baoding 071003, Hebei, China
- Baoding Key Laboratory of Low Carbon and High-Efficiency Power Generation Technology, North China Electric Power University, Baoding 071003, Hebei, China
| | - Huan Lu
- Department of Power Engineering, North China Electric Power University, Baoding 071003, Hebei, China.
- Hebei Key Laboratory of Low Carbon and High-Efficiency Power Generation Technology, North China Electric Power University, Baoding 071003, Hebei, China
- Baoding Key Laboratory of Low Carbon and High-Efficiency Power Generation Technology, North China Electric Power University, Baoding 071003, Hebei, China
| | - Kailong Liu
- Department of Power Engineering, North China Electric Power University, Baoding 071003, Hebei, China.
- Hebei Key Laboratory of Low Carbon and High-Efficiency Power Generation Technology, North China Electric Power University, Baoding 071003, Hebei, China
- Baoding Key Laboratory of Low Carbon and High-Efficiency Power Generation Technology, North China Electric Power University, Baoding 071003, Hebei, China
| | - Qingqi Yan
- Department of Power Engineering, North China Electric Power University, Baoding 071003, Hebei, China.
- Hebei Key Laboratory of Low Carbon and High-Efficiency Power Generation Technology, North China Electric Power University, Baoding 071003, Hebei, China
- Baoding Key Laboratory of Low Carbon and High-Efficiency Power Generation Technology, North China Electric Power University, Baoding 071003, Hebei, China
| | - Yang Bai
- Department of Power Engineering, North China Electric Power University, Baoding 071003, Hebei, China.
- Hebei Key Laboratory of Low Carbon and High-Efficiency Power Generation Technology, North China Electric Power University, Baoding 071003, Hebei, China
- Baoding Key Laboratory of Low Carbon and High-Efficiency Power Generation Technology, North China Electric Power University, Baoding 071003, Hebei, China
| | - Xunlei Ding
- Institute of Clusters and Low Dimensional Nanomaterials, School of Mathematics and Physics, North China Electric Power University, Beijing 102206, P. R. China
- Hebei Key Laboratory of Physics and Energy Technology, North China Electric Power University, Baoding 071000, Hebei, P. R. China
| | - Hao Li
- Advanced Institute for Materials Research (WPI-AIMR), Tohoku University, Sendai 980-8577, Japan.
| | - Zhengyang Gao
- Department of Power Engineering, North China Electric Power University, Baoding 071003, Hebei, China.
- Hebei Key Laboratory of Low Carbon and High-Efficiency Power Generation Technology, North China Electric Power University, Baoding 071003, Hebei, China
- Baoding Key Laboratory of Low Carbon and High-Efficiency Power Generation Technology, North China Electric Power University, Baoding 071003, Hebei, China
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2
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Singh R, Hu H, Feeney T, Diercks A, Laufer F, Li Y, Duong T, Schackmar F, Nejand BA, Paetzold UW. Danger in the Dark: Stability of Perovskite Solar Cells with Varied Stoichiometries and Morphologies Stressed at Various Conditions. ACS APPLIED MATERIALS & INTERFACES 2024; 16:27450-27462. [PMID: 38751205 DOI: 10.1021/acsami.4c04350] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2024]
Abstract
The long-term stability of perovskite solar cells (PSCs) remains a bottleneck for commercialization. While studies on the stoichiometry and morphology of PSCs with regard to performance are prevalent, understanding the influence of these factors on their long-term stability is lacking. In this work, we evaluate the impact of stoichiometry and morphology on the long-term stability of cesium formamidinium-based PSCs. We demonstrate that the lead iodide (PbI2) to formamidinium iodide (FAI) ratio influences stability under various stress factors (elevated temperature and light). A high molar ratio (PbI2/FAI > 1.1) in the perovskite precursor displays drastic degradation under ISOS-L1 (100 mW/cm2, 25 °C, maximum power point tracking) conditions. However, postdegradation analysis contradicts these results. Devices with PbI2/FAI ≤ 1.1 are stable under light, but intermittent current density-voltage characterizations indicate that device performance decreases during storage in the dark. Migration of iodide (I-) ions to the electron-transport layer (ETL) and iodine vacancies (VI-+) to the hole-transport layer (HTL) forms localized shunts in the absorber layer. Pinhole formation, surrounded by FA+-rich regions, explains the extent of damage in comparably aged films. In summary, this work emphasizes the importance of reporting stability under different stress conditions, coupled with postdegradation and dark recovery analyses of PSCs to better understand the complexities of perovskite instability under real-life conditions such as expected during outdoor operation.
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Affiliation(s)
- Roja Singh
- Institute of Microstructure Technology, Karlsruhe Institute of Technology, Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
- Light Technology Institute, Karlsruhe Institute of Technology, Engesserstrasse 13, 76131 Karlsruhe, Germany
| | - Hang Hu
- Institute of Microstructure Technology, Karlsruhe Institute of Technology, Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
- Light Technology Institute, Karlsruhe Institute of Technology, Engesserstrasse 13, 76131 Karlsruhe, Germany
| | - Thomas Feeney
- Light Technology Institute, Karlsruhe Institute of Technology, Engesserstrasse 13, 76131 Karlsruhe, Germany
| | - Alexander Diercks
- Light Technology Institute, Karlsruhe Institute of Technology, Engesserstrasse 13, 76131 Karlsruhe, Germany
| | - Felix Laufer
- Light Technology Institute, Karlsruhe Institute of Technology, Engesserstrasse 13, 76131 Karlsruhe, Germany
| | - Yang Li
- Institute of Microstructure Technology, Karlsruhe Institute of Technology, Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
- Light Technology Institute, Karlsruhe Institute of Technology, Engesserstrasse 13, 76131 Karlsruhe, Germany
| | - The Duong
- School of Engineering, The Australian National University, Canberra, ACT 2601, Australia
| | - Fabian Schackmar
- Institute of Microstructure Technology, Karlsruhe Institute of Technology, Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
- Light Technology Institute, Karlsruhe Institute of Technology, Engesserstrasse 13, 76131 Karlsruhe, Germany
| | - Bahram A Nejand
- Institute of Microstructure Technology, Karlsruhe Institute of Technology, Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
- Light Technology Institute, Karlsruhe Institute of Technology, Engesserstrasse 13, 76131 Karlsruhe, Germany
| | - Ulrich W Paetzold
- Institute of Microstructure Technology, Karlsruhe Institute of Technology, Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
- Light Technology Institute, Karlsruhe Institute of Technology, Engesserstrasse 13, 76131 Karlsruhe, Germany
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3
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Calvin JJ, Brewer AS, Crook MF, Kaufman TM, Alivisatos AP. Observation of negative surface and interface energies of quantum dots. Proc Natl Acad Sci U S A 2024; 121:e2307633121. [PMID: 38648471 PMCID: PMC11067453 DOI: 10.1073/pnas.2307633121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Accepted: 03/21/2024] [Indexed: 04/25/2024] Open
Abstract
Surface energy is a fundamental property of materials and is particularly important in describing nanomaterials where atoms or molecules at the surface constitute a large fraction of the material. Traditionally, surface energy is considered to be a positive quantity, where atoms or molecules at the surface are less thermodynamically stable than their counterparts in the interior of the material because they have fewer bonds or interactions at the surface. Using calorimetric methods, we show that the surface energy is negative in some prototypical colloidal semiconductor nanocrystals, or quantum dots with organic ligand coatings. This implies that the surface atoms are more thermodynamically stable than those on the interior due to the strong bonds between these atoms and surfactant molecules, or ligands, that coat their surface. In addition, we extend this work to core/shell indium phosphide/zinc sulfide nanocrystals and show that the interfacial energy between these materials is highly thermodynamically favorable in spite of their large lattice mismatch. This work challenges many of the assumptions that have guided thinking about colloidal nanomaterial thermodynamics, investigates the fundamental stability of many technologically relevant colloidal nanomaterials, and paves the way for future experimental and theoretical work on nanocrystal thermodynamics.
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Affiliation(s)
- Jason J. Calvin
- Department of Chemistry, University of California, Berkeley, CA94720
- Material Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA94720
| | - Amanda S. Brewer
- Department of Chemistry, University of California, Berkeley, CA94720
- Material Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA94720
| | - Michelle F. Crook
- Department of Chemistry, University of California, Berkeley, CA94720
- Material Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA94720
| | - Tierni M. Kaufman
- Department of Chemistry, University of California, Berkeley, CA94720
| | - A. Paul Alivisatos
- Department of Chemistry, University of California, Berkeley, CA94720
- Material Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA94720
- Department of Materials Science and Engineering, University of California, Berkeley, CA94720
- Kavli Energy NanoScience Institute, University of California, Berkeley, CA94720
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Apergi S, Brocks G, Tao S, Olthof S. Probing the Reactivity of ZnO with Perovskite Precursors. ACS APPLIED MATERIALS & INTERFACES 2024; 16:14984-14994. [PMID: 38483310 PMCID: PMC10983006 DOI: 10.1021/acsami.4c01945] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/02/2024] [Revised: 02/26/2024] [Accepted: 02/28/2024] [Indexed: 04/04/2024]
Abstract
To achieve more stable and efficient metal halide perovskite devices, optimization of charge transport materials and their interfaces with perovskites is crucial. ZnO on paper would make an ideal electron transport layer in perovskite devices. This metal oxide has a large bandgap, making it transparent to visible light; it can be easily n-type doped, has a decent electron mobility, and is thought to be chemically relatively inert. However, in combination with perovskites, ZnO has turned out to be a source of instability, rapidly degrading the performance of devices. In this work, we provide a comprehensive experimental and computational study of the interaction between the most common organic perovskite precursors and the surface of ZnO, with the aim of understanding the observed instability. Using X-ray photoelectron spectroscopy, we find a complete degradation of the precursors in contact with ZnO and the formation of volatile species as well as new surface bonds. Our computational work reveals that different pristine and defected surface terminations of ZnO facilitate the decomposition of the perovskite precursor molecules, mainly through deprotonation, making the deposition of the latter on those surfaces impossible without the use of passivation.
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Affiliation(s)
- Sofia Apergi
- Materials
Simulation and Modelling, Department of Applied Physics, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
- Center
for Computational Energy Research, Department of Applied Physics, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Geert Brocks
- Materials
Simulation and Modelling, Department of Applied Physics, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
- Computational
Chemical Physics, Faculty of Science and Technology and MESA+ Institute
for Nanotechnology, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands
- Center
for Computational Energy Research, Department of Applied Physics, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Shuxia Tao
- Materials
Simulation and Modelling, Department of Applied Physics, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
- Center
for Computational Energy Research, Department of Applied Physics, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Selina Olthof
- University
of Cologne, Institute for Physical Chemistry, Greinstrasse 4-6, 50939 Cologne, Germany
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Wang X, Zhou L, Zhao X, Ma W, Wang X. Ligand-Enhanced Neodymium Doping of Perovskite Quantum Dots for Superior Exciton Confinement. MATERIALS (BASEL, SWITZERLAND) 2023; 16:7585. [PMID: 38138726 PMCID: PMC10744661 DOI: 10.3390/ma16247585] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Revised: 11/30/2023] [Accepted: 12/04/2023] [Indexed: 12/24/2023]
Abstract
In this study, all-inorganic perovskite quantum dots (QDs) for pure blue emission are explored for full-color displays. We prepared CsPbBr3 and Cs3NdCl6 QDs via hot injection methods and mixed in various ratios at room temperature for color blending. Nd-doped CsPb(Cl/Br)3 QDs showed a blueshift in emission, and the photoluminescence quantum yields (PLQY, ΦPL) were lower in the 460-470 nm range due to surface halogen and Cs vacancies. To address this, we introduced a silane molecule, APTMS, via a ligand exchange process, effectively repairing these vacancies and enhancing Nd doping into the lattice. This modification promotes the PLQY to 94% at 466 nm. Furthermore, combining these QDs with [1]Benzothieno[3,2-b][1]benzothiophene (BTBT), a conjugated small-molecule semiconductor, in a composite film reduced PLQY loss caused by FRET in solid-state QD films. This approach achieved a wide color gamut of 124% National Television System Committee (NTSC), using a UV LED backlight and RGB perovskite QDs in a BTBT-based organic matrix as the color conversion layer. Significantly, the photostability of this composite was enhanced when used as a color conversion layer (CCL) under blue-LED excitation.
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Affiliation(s)
- Xianghua Wang
- Special Display and Imaging Technology Innovation Center of Anhui Province, Academy of Opto-Electric Technology, School of Instrument Science and Optoelectronics Engineering, Hefei University of Technology, Hefei 230009, China; (L.Z.); (X.Z.); (W.M.); (X.W.)
- Anhui Province Key Laboratory of Measuring Theory and Precision Instrument, School of Instrument Science and Optoelectronics Engineering, Hefei University of Technology, Hefei 230009, China
| | - Lin Zhou
- Special Display and Imaging Technology Innovation Center of Anhui Province, Academy of Opto-Electric Technology, School of Instrument Science and Optoelectronics Engineering, Hefei University of Technology, Hefei 230009, China; (L.Z.); (X.Z.); (W.M.); (X.W.)
- Anhui Province Key Laboratory of Measuring Theory and Precision Instrument, School of Instrument Science and Optoelectronics Engineering, Hefei University of Technology, Hefei 230009, China
| | - Xudong Zhao
- Special Display and Imaging Technology Innovation Center of Anhui Province, Academy of Opto-Electric Technology, School of Instrument Science and Optoelectronics Engineering, Hefei University of Technology, Hefei 230009, China; (L.Z.); (X.Z.); (W.M.); (X.W.)
- Anhui Province Key Laboratory of Measuring Theory and Precision Instrument, School of Instrument Science and Optoelectronics Engineering, Hefei University of Technology, Hefei 230009, China
| | - Wenlong Ma
- Special Display and Imaging Technology Innovation Center of Anhui Province, Academy of Opto-Electric Technology, School of Instrument Science and Optoelectronics Engineering, Hefei University of Technology, Hefei 230009, China; (L.Z.); (X.Z.); (W.M.); (X.W.)
- Anhui Province Key Laboratory of Measuring Theory and Precision Instrument, School of Instrument Science and Optoelectronics Engineering, Hefei University of Technology, Hefei 230009, China
| | - Xinjun Wang
- Special Display and Imaging Technology Innovation Center of Anhui Province, Academy of Opto-Electric Technology, School of Instrument Science and Optoelectronics Engineering, Hefei University of Technology, Hefei 230009, China; (L.Z.); (X.Z.); (W.M.); (X.W.)
- Anhui Province Key Laboratory of Measuring Theory and Precision Instrument, School of Instrument Science and Optoelectronics Engineering, Hefei University of Technology, Hefei 230009, China
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He B, Wang C, Li J, Su Z, Xing G, Gao X, Chen S. In Situ and Operando Characterization Techniques in Stability Study of Perovskite-Based Devices. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:1983. [PMID: 37446498 DOI: 10.3390/nano13131983] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/28/2023] [Revised: 06/13/2023] [Accepted: 06/15/2023] [Indexed: 07/15/2023]
Abstract
Metal halide perovskite materials have demonstrated significant potential in various optoelectronic applications, such as photovoltaics, light emitting diodes, photodetectors, and lasers. However, the stability issues of perovskite materials continue to impede their widespread use. Many studies have attempted to understand the complex degradation mechanism and dynamics of these materials. Among them, in situ and/or operando approaches have provided remarkable insights into the degradation process by enabling precise control of degradation parameters and real-time monitoring. In this review, we focus on these studies utilizing in situ and operando approaches and demonstrate how these techniques have contributed to reveal degradation details, including structural, compositional, morphological, and other changes. We explore why these two approaches are necessary in the study of perovskite degradation and how they can be achieved by upgrading the corresponding ex situ techniques. With recent stability improvements of halide perovskite using various methods (compositional engineering, surface engineering, and structural engineering), the degradation of halide perovskite materials is greatly retarded. However, these improvements may turn into new challenges during the investigation into the retarded degradation process. Therefore, we also highlight the importance of enhancing the sensitivity and probing range of current in situ and operando approaches to address this issue. Finally, we identify the challenges and future directions of in situ and operando approaches in the stability research of halide perovskites. We believe that the advancement of in situ and operando techniques will be crucial in supporting the journey toward enhanced perovskite stability.
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Affiliation(s)
- Bingchen He
- Joint Key Laboratory of the Ministry of Education, Institute of Applied Physics and Materials Engineering, University of Macau, Avenida da Universidade, Taipa, Macau 999078, China
| | - Chenyue Wang
- Shanghai Synchrotron Radiation Facility (SSRF), Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201204, China
| | - Jielei Li
- Joint Key Laboratory of the Ministry of Education, Institute of Applied Physics and Materials Engineering, University of Macau, Avenida da Universidade, Taipa, Macau 999078, China
| | - Zhenhuang Su
- Shanghai Synchrotron Radiation Facility (SSRF), Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201204, China
| | - Guichuan Xing
- Joint Key Laboratory of the Ministry of Education, Institute of Applied Physics and Materials Engineering, University of Macau, Avenida da Universidade, Taipa, Macau 999078, China
| | - Xingyu Gao
- Shanghai Synchrotron Radiation Facility (SSRF), Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201204, China
| | - Shi Chen
- Joint Key Laboratory of the Ministry of Education, Institute of Applied Physics and Materials Engineering, University of Macau, Avenida da Universidade, Taipa, Macau 999078, China
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Kondrotas R, Juškėnas R, Krotkus A, Pakštas V, Suchodolskis A, Mekys A, Franckevičius M, Talaikis M, Muska K, Li X, Kauk-Kuusik M, Kravtsov V. Synthesis and physical characteristics of narrow bandgap chalcogenide SnZrSe 3. OPEN RESEARCH EUROPE 2023; 2:138. [PMID: 37645318 PMCID: PMC10445849 DOI: 10.12688/openreseurope.15168.2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 04/26/2023] [Indexed: 08/31/2023]
Abstract
Background: The development of organic/inorganic metal halide perovskites has seen unprecedent growth since their first recognition for applications in optoelectronic devices. However, their thermodynamic stability and toxicity remains a challenge considering wide-scale deployment in the future. This spurred an interest in search of perovskite-inspired materials which are expected to retain the advantageous material characteristics of halide perovskites, but with high thermodynamic stability and composed of earth-abundant and low toxicity elements. ABX 3 chalcogenides (A, B=metals, X=Se, S) have been identified as potential class of materials meeting the aforementioned criteria. Methods: In this work, we focus on studying tin zirconium selenide (SnZrSe 3) relevant physical properties with an aim to evaluate its prospects for application in optoelectronics. SnZrSe 3 powder and monocrystals were synthesized via solid state reaction in 600 - 800 °C temperature range. Crystalline structure was determined using single crystal and powder X-ray diffraction methods. The bandgap was estimated from diffused reflectance measurements on powder samples and electrical properties of crystals were analysed from temperature dependent I-V measurements. Results: We found that SnZrSe 3 crystals have a needle-like structure (space group - Pnma) with following unit cell parameters: a=9.5862(4) Å, b=3.84427(10) Å, c=14.3959(5) Å. The origin of the low symmetry crystalline structure was associated with stereochemical active electron lone pair of Sn cation. Estimated bandgap was around 1.15 eV which was higher than measured previously and predicted theoretically. Additionally, it was found that resistivity and conductivity type depended on the compound chemical composition. Conclusions: Absorption edge in the infrared region and bipolar dopability makes SnZrSe 3 an interesting material candidate for application in earth-abundant and non-toxic single/multi-junction solar cells or other infrared based optoelectronic devices.
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Affiliation(s)
- Rokas Kondrotas
- Center for Physical Sciences and Technology, Vilnius, 10257, Lithuania
| | | | - Arūnas Krotkus
- Center for Physical Sciences and Technology, Vilnius, 10257, Lithuania
| | - Vidas Pakštas
- Center for Physical Sciences and Technology, Vilnius, 10257, Lithuania
| | | | - Algirdas Mekys
- Institute of Photonics and Nanotechnology, Vilnius University, Vilnius, 10257, Lithuania
| | | | - Martynas Talaikis
- Center for Physical Sciences and Technology, Vilnius, 10257, Lithuania
| | - Katri Muska
- Department of Materials and Environmental Technology, Tallinn University of Technology, Tallinn, 19086, Estonia
| | - Xiaofeng Li
- Department of Materials and Environmental Technology, Tallinn University of Technology, Tallinn, 19086, Estonia
| | - Marit Kauk-Kuusik
- Department of Materials and Environmental Technology, Tallinn University of Technology, Tallinn, 19086, Estonia
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Kumar S, Damle VH, Bendikov T, Itzhak A, Elbaum M, Rechav K, Houben L, Tischler Y, Cahen D. Topotactic, Vapor-Phase, In Situ Monitored Formation of Ultrathin, Phase-Pure 2D-on-3D Halide Perovskite Surfaces. ACS APPLIED MATERIALS & INTERFACES 2023; 15:23908-23921. [PMID: 37133217 DOI: 10.1021/acsami.3c01881] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
Two-dimensional (2D) halide perovskites, HaPs, can provide chemical stability to three-dimensional (3D) HaP surfaces, protecting them from exposure to ambient species and from reacting with contacting layers. Both actions occur with 2D HaPs, with the general stoichiometry R2PbI4 (R: long or bulky organic amine) covering the 3D ones. Adding such covering films can also boost power conversion efficiencies of photovoltaic cells by passivating surface/interface trap states. For maximum benefit, we need conformal ultrathin and phase-pure (n = 1) 2D layers to enable efficient tunneling of photogenerated charge carriers through the 2D film barrier. Conformal coverage of ultrathin (<10 nm) R2PbI4 layers on 3D perovskites is challenging with spin coating; even more so is its upscaling for larger-area devices. We report on vapor-phase cation exchange of the 3D surface with the R2PbI4 molecules and real-time in situ growth monitoring by photoluminescence (PL) to determine limits for forming ultrathin 2D layers. We characterize the 2D growth stages, following the changing PL intensity-time profiles, by combining structural, optical, morphological, and compositional characterizations. Moreover, from quantitative X-ray photoelectron spectroscopy (XPS) analysis on 2D/3D bilayer films, we estimate the smallest width of a 2D cover that we can grow to be <5 nm, roughly the limit for efficient tunneling through a (semi)conjugated organic barrier. We also find that, besides protecting the 3D against ambient humidity-induced degradation, the ultrathin 2D-on-3D film also aids self-repair following photodamage.
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Affiliation(s)
- Sujit Kumar
- Dept. of Mol. Chem. & Mater. Science, Weizmann Inst. of Science, Rehovot 7610001, Israel
- Bar-Ilan Inst. for Adv. Mater. & Nanotech. & Dept. of Chem., Bar-Ilan Univ., Ramat Gan 5290002, Israel
| | - Vinayaka H Damle
- Bar-Ilan Inst. for Adv. Mater. & Nanotech. & Dept. of Chem., Bar-Ilan Univ., Ramat Gan 5290002, Israel
| | - Tatyana Bendikov
- Dept. of Chem. Research Support, Weizmann Institute of Science, Rehovot 7610001, Israel
| | - Anat Itzhak
- Bar-Ilan Inst. for Adv. Mater. & Nanotech. & Dept. of Chem., Bar-Ilan Univ., Ramat Gan 5290002, Israel
| | - Michael Elbaum
- Dept. of Chem. Biol. Physics, Weizmann Institute of Science, Rehovot 7610001, Israel
| | - Katya Rechav
- Dept. of Chem. Research Support, Weizmann Institute of Science, Rehovot 7610001, Israel
| | - Lothar Houben
- Dept. of Chem. Research Support, Weizmann Institute of Science, Rehovot 7610001, Israel
| | - Yaakov Tischler
- Bar-Ilan Inst. for Adv. Mater. & Nanotech. & Dept. of Chem., Bar-Ilan Univ., Ramat Gan 5290002, Israel
| | - David Cahen
- Dept. of Mol. Chem. & Mater. Science, Weizmann Inst. of Science, Rehovot 7610001, Israel
- Bar-Ilan Inst. for Adv. Mater. & Nanotech. & Dept. of Chem., Bar-Ilan Univ., Ramat Gan 5290002, Israel
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Huo X, Wang K, Liu W, Sun W, Yin R, Sun Y, Gao Y, You T, Yin P. Synchronous Modulation of Energy Level Gradient and Defects for High-Efficiency HTL-Free Carbon-Based All-Inorganic Perovskite Solar Cells. SMALL METHODS 2023:e2300192. [PMID: 37116089 DOI: 10.1002/smtd.202300192] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Revised: 03/22/2023] [Indexed: 06/19/2023]
Abstract
In order to improve the thermal stability of perovskite solar cells (PSCs) and reduce production costs, hole transport layer (HTL)-free carbon-based CsPbI3 PSCs (C-PSCs) have attracted the attention of researchers. However, the power conversion efficiency (PCE) of HTL-free CsPbI3 C-PSCs is still lower than that of PSCs with HTL/ metal electrodes. This is because the direct contact between the carbon electrode and the perovskite layer has a higher requirement on the crystal quality of perovskite layer and matched energy level at perovskite/carbon interface. Herein, the acyl chloride group and its derivative trichloroacetyl chloride are used to passivate CsPbI3 C-PSCs for the first time. The results show that the carbonyl group of trichloroacetyl chloride can effectively passivate the uncoordinated Pb2+ ions in perovskite. At the same time, leaving group Cl- ions can increase the grain size of perovskite and improve the crystallization quality of perovskite layer. In addition, the trichloroacetyl chloride tends to generate cesium chloride acetate, which acts as an electron blocking layer, reduces charge recombination, promotes gradient energy level arrangement, and effectively improves the separation and extraction ability of carriers. The PCE of CsPbI3 HTL-free C-PSCs is successfully increased from 13.40% to 14.82%.
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Affiliation(s)
- Xiaonan Huo
- School of Chemistry, Beihang University, Beijing, 100191, P. R. China
| | - Kexiang Wang
- School of Chemistry, Beihang University, Beijing, 100191, P. R. China
| | - Weifeng Liu
- Engineering Research Center of High-Performance Polymer and Molding Technology, Ministry of Education, Qingdao University of Science and Technology, Qingdao, 266042, P. R. China
| | - Weiwei Sun
- School of Chemistry, Beihang University, Beijing, 100191, P. R. China
| | - Ran Yin
- School of Chemistry, Beihang University, Beijing, 100191, P. R. China
| | - Yansheng Sun
- School of Chemistry, Beihang University, Beijing, 100191, P. R. China
| | - Yukun Gao
- School of Chemistry, Beihang University, Beijing, 100191, P. R. China
| | - Tingting You
- School of Chemistry, Beihang University, Beijing, 100191, P. R. China
| | - Penggang Yin
- School of Chemistry, Beihang University, Beijing, 100191, P. R. China
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10
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Zhang M, Xiang G, Wu Y, Liu J, Leng J, Cheng C, Ma H. Influence of Sr doping on the photoelectronic properties of CsPbX 3 (X = Cl, Br, or I): a DFT investigation. Phys Chem Chem Phys 2023; 25:9592-9598. [PMID: 36942656 DOI: 10.1039/d2cp05867g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/09/2023]
Abstract
To broaden the application of cesium lead halide perovskites, doping technology has been widely proposed. In this study, we calculated a 12.5% concentration of a Sr-doped CsPbX3 (X = Cl, Br, or I) perovskite via density functional theory. The results showed that the bandgap energy of the perovskite increased by 0.2-0.3 eV. The high symmetry points of the energy band changed from R to Γ after Sr doping because the Sr doping affected the initial distribution of atomic orbital hybridization. In addition, optical absorption spectra after doping showed an obvious blueshift, whereas the absorption coefficient of CsPb0.875Sr0.125X3 had the same magnitude as undoped CsPbX3. Moreover, the effective masses of electrons and holes changed within a small range (0.01-0.03 m0) after Sr doping. According to the findings of this study, the CsPb0.875Sr0.125X3 perovskite is expected to become an ideal candidate material for designing photovoltaic and photoelectric devices.
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Affiliation(s)
- Man Zhang
- Shandong Provincial Key Laboratory of Optics and Photonic Device & Collaborative Innovation Center of Light Manipulations and Applications, School of Physics and Electronics, Shandong Normal University, Jinan, 250014, China
| | - Guangbiao Xiang
- Shandong Provincial Key Laboratory of Optics and Photonic Device & Collaborative Innovation Center of Light Manipulations and Applications, School of Physics and Electronics, Shandong Normal University, Jinan, 250014, China
| | - Yanwen Wu
- Shandong Provincial Key Laboratory of Optics and Photonic Device & Collaborative Innovation Center of Light Manipulations and Applications, School of Physics and Electronics, Shandong Normal University, Jinan, 250014, China
| | - Jing Liu
- Shandong Provincial Key Laboratory of Optics and Photonic Device & Collaborative Innovation Center of Light Manipulations and Applications, School of Physics and Electronics, Shandong Normal University, Jinan, 250014, China
| | - Jiancai Leng
- Shandong Provincial Key Laboratory of Optics and Photonic Device & Collaborative Innovation Center of Light Manipulations and Applications, School of Physics and Electronics, Shandong Normal University, Jinan, 250014, China
| | - Chen Cheng
- Shandong Provincial Key Laboratory of Optics and Photonic Device & Collaborative Innovation Center of Light Manipulations and Applications, School of Physics and Electronics, Shandong Normal University, Jinan, 250014, China
| | - Hong Ma
- Shandong Provincial Key Laboratory of Optics and Photonic Device & Collaborative Innovation Center of Light Manipulations and Applications, School of Physics and Electronics, Shandong Normal University, Jinan, 250014, China
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11
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Romagnoli L, D’Annibale A, Blundo E, Patra A, Polimeni A, Meggiolaro D, Andrusenko I, Marchetti D, Gemmi M, Latini A. 4,4'-(Anthracene-9,10-diylbis(ethyne-2,1-diyl))bis(1-methyl-1-pyridinium) Lead Iodide C 30H 22N 2Pb 2I 6: A Highly Luminescent, Chemically and Thermally Stable One-Dimensional Hybrid Iodoplumbate. CHEMISTRY OF MATERIALS : A PUBLICATION OF THE AMERICAN CHEMICAL SOCIETY 2023; 35:1818-1826. [PMID: 36873626 PMCID: PMC9979375 DOI: 10.1021/acs.chemmater.2c03798] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 02/02/2023] [Indexed: 06/17/2023]
Abstract
A new one-dimensional hybrid iodoplumbate, namely, 4,4'-(anthracene-9,10-diylbis(ethyne-2,1-diyl))bis(1-methyl-1-pyridinium) lead iodide C30H22N2Pb2I6 (AEPyPbI), is reported here for the first time with its complete characterization. The material exhibits remarkable thermal stability (up to 300 °C), and it is unreactive under ambient conditions toward water and atmospheric oxygen, due to the quaternary nature of the nitrogen atoms present in the organic cation. The cation exhibits strong visible fluorescence under ultraviolet (UV) irradiation, and when its iodide is combined with PbI2, it forms AEPyPb2I6, an efficient light-emitting material, with a photoluminescence emission intensity comparable to that of high-quality InP epilayers. The structure determination was obtained using three-dimensional electron diffraction, and the material was extensively studied by using a wide range of techniques, such as X-ray powder diffraction, diffuse reflectance UV-visible spectroscopy, thermogravimetry-differential thermal analysis, elemental analysis, Raman and infrared spectroscopies, and photoluminescence spectroscopy. The emissive properties of the material were correlated with its electronic structure by using state-of-the-art theoretical calculations. The complex, highly conjugated electronic structure of the cation interacts strongly with that of the Pb-I network, giving rise to the peculiar optoelectronic properties of AEPyPb2I6. The material, considering its relatively easy synthesis and stability, shows promise for light-emitting and photovoltaic devices. The use of highly conjugated quaternary ammonium cations may be useful for the development of new hybrid iodoplumbates and perovskites with optoelectronic properties tailored for specific applications.
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Affiliation(s)
- Lorenza Romagnoli
- Dipartimento
di Chimica, Sapienza Università di
Roma, Piazzale Aldo Moro 5, Roma 00185, Italy
| | - Andrea D’Annibale
- Dipartimento
di Chimica, Sapienza Università di
Roma, Piazzale Aldo Moro 5, Roma 00185, Italy
| | - Elena Blundo
- Dipartimento
di Fisica, Sapienza Università di
Roma, Piazzale Aldo Moro 5, Roma 00185, Italy
| | - Atanu Patra
- Dipartimento
di Fisica, Sapienza Università di
Roma, Piazzale Aldo Moro 5, Roma 00185, Italy
| | - Antonio Polimeni
- Dipartimento
di Fisica, Sapienza Università di
Roma, Piazzale Aldo Moro 5, Roma 00185, Italy
| | - Daniele Meggiolaro
- Computational
Laboratory for Hybrid/Organic Photovoltaics (CLHYO), Istituto CNR di Scienze e Tecnologie Chimiche “Giulio Natta”
(CNR-SCITEC), Via Elce di Sotto 8, Perugia 06123, Italy
| | - Iryna Andrusenko
- Electron
Crystallography, Center for Materials Interfaces, Istituto Italiano di Tecnologia, Viale Rinaldo Piaggio 34, Pontedera 56025, Italy
| | - Danilo Marchetti
- Electron
Crystallography, Center for Materials Interfaces, Istituto Italiano di Tecnologia, Viale Rinaldo Piaggio 34, Pontedera 56025, Italy
- Department
of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, Parco Area delle Scienze 17/A, Parma (PR) 43124, Italy
| | - Mauro Gemmi
- Electron
Crystallography, Center for Materials Interfaces, Istituto Italiano di Tecnologia, Viale Rinaldo Piaggio 34, Pontedera 56025, Italy
| | - Alessandro Latini
- Dipartimento
di Chimica, Sapienza Università di
Roma, Piazzale Aldo Moro 5, Roma 00185, Italy
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12
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Wang H, Liu H, Dong Z, Wei X, Li W, Zhu L, Zhu C, Bai Y, Chen H. Dimethyl sulfoxide: a promising solvent for inorganic CsPbI 3 perovskite. Sci Bull (Beijing) 2023; 68:192-202. [PMID: 36681587 DOI: 10.1016/j.scib.2023.01.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Revised: 12/09/2022] [Accepted: 01/11/2023] [Indexed: 01/15/2023]
Abstract
Inorganic CsPbI3 perovskite is an important photovoltaic material due to its suitable band gap and high chemical stability. However, it is a challenge to grow high-quality CsPbI3 perovskite because the stability of perovskite phase is low and is sensitive to solvent. So far, most of CsPbI3 perovskites in high-performance perovskite solar cells (PSCs) were prepared from N,N-dimethylformamide, a highly toxic solvent, and no successful case has been reported for dimethyl sulfoxide (DMSO), which is environmentally-friendly with considerably higher complexation capability. Herein, we reveal that forming DMSO-based adduct is the main cause for limiting the quality of CsPbI3 perovskite from DMSO-based solutions, which would inhibit the formation of DMAPbI3 (DMA = dimethylammonium, (CH3)2NH2+) intermediate. Then, by introducing a vacuum treatment, DMSO molecules could be efficiently extracted from the adduct to induce the formation of DMAPbI3 intermediate. After annealing, the intermediate is transitioned to the CsPbI3 perovskite with enhanced crystallinity, high orientation, low defect density, and high uniformity. By using the CsPbI3 perovskite as a light absorber, the PSCs based on carbon electrode (C-PSCs) achieve an efficiency of 16.7%, a new record for inorganic C-PSCs.
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Affiliation(s)
- Hailiang Wang
- School of Materials Science and Engineering, Beihang University, Beijing 100191, China
| | - Huicong Liu
- School of Materials Science and Engineering, Beihang University, Beijing 100191, China
| | - Zijing Dong
- School of Materials Science and Engineering, Beihang University, Beijing 100191, China
| | - Xueyuan Wei
- Beijing Key Laboratory of Construction Tailorable Advanced Functional Materials and Green Applications, MIIT Key Laboratory for Low-dimensional Quantum Structure and Devices, Experimental Center of Advanced Materials, School of Materials Science & Engineering, Beijing Institute of Technology, Beijing 100081, China
| | - Weiping Li
- School of Materials Science and Engineering, Beihang University, Beijing 100191, China
| | - Liqun Zhu
- School of Materials Science and Engineering, Beihang University, Beijing 100191, China
| | - Cheng Zhu
- Beijing Key Laboratory of Construction Tailorable Advanced Functional Materials and Green Applications, MIIT Key Laboratory for Low-dimensional Quantum Structure and Devices, Experimental Center of Advanced Materials, School of Materials Science & Engineering, Beijing Institute of Technology, Beijing 100081, China
| | - Yang Bai
- Beijing Key Laboratory of Construction Tailorable Advanced Functional Materials and Green Applications, MIIT Key Laboratory for Low-dimensional Quantum Structure and Devices, Experimental Center of Advanced Materials, School of Materials Science & Engineering, Beijing Institute of Technology, Beijing 100081, China
| | - Haining Chen
- School of Materials Science and Engineering, Beihang University, Beijing 100191, China.
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13
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Filipoiu N, Mirea AG, Derbali S, Pantis-Simut CA, Anghel DV, Manolescu A, Pintilie I, Florea M, Nemnes GA. Optoelectronic and stability properties of quasi-2D alkylammonium based perovskites. Phys Chem Chem Phys 2023; 25:3323-3331. [PMID: 36632794 DOI: 10.1039/d2cp04748a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Electronic and stability properties of quasi-2D alkylammonium perovskites are investigated using density functional theory (DFT) calculations and validated experimentally on selected classes of compounds. Our analysis is focused on perovskite structures of formula (A)2(A')n-1PbnX3n+1, with large cations A = butyl-, pentyl-, hexylammonium (BA, PA, HXA), small cations A' = methylammonium, formamidinium, ethylammonium, guanidinium (MA, FA, EA, GA) and halogens X = I, Br, Cl. The role of the halogen ions is outlined for the band structure, stability and defect formation energies. Two opposing trends are found for the absorption efficiency versus stability, the latter being assessed with respect to possible degradation mechanisms. Experimental validation is performed on quasi-2D perovskites based on pentylammonium cations, namely: (PA)2PbX4 and (PA)2(MA)Pb2X7, synthesized by antisolvent-assisted vapor crystallization. Structural and optical analysis are inline with the DFT based calculations. In addition, the thermogravimetric analysis shows an enhanced stability of bromide and chloride based compounds, in agreement with the theoretical predictions.
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Affiliation(s)
- N Filipoiu
- Horia Hulubei National Institute for Physics and Nuclear Engineering, 077126, Magurele, Ilfov, Romania.,University of Bucharest, Faculty of Physics, 077125, Magurele, Ilfov, Romania.
| | - Anca G Mirea
- National Institute of Materials Physics, Magurele, 077125, Ilfov, Romania.
| | - Sarah Derbali
- National Institute of Materials Physics, Magurele, 077125, Ilfov, Romania.
| | - C-A Pantis-Simut
- Horia Hulubei National Institute for Physics and Nuclear Engineering, 077126, Magurele, Ilfov, Romania.,University of Bucharest, Faculty of Physics, 077125, Magurele, Ilfov, Romania. .,Research Institute of the University of Bucharest (ICUB), 90 Panduri Street, 050663, Bucharest, Romania
| | - D-V Anghel
- Horia Hulubei National Institute for Physics and Nuclear Engineering, 077126, Magurele, Ilfov, Romania.,University of Bucharest, Faculty of Physics, 077125, Magurele, Ilfov, Romania. .,Research Institute of the University of Bucharest (ICUB), 90 Panduri Street, 050663, Bucharest, Romania
| | - A Manolescu
- Department of Engineering, School of Technology, Reykjavik University, Menntavegur 1, IS-102, Reykjavik, Iceland
| | - Ioana Pintilie
- National Institute of Materials Physics, Magurele, 077125, Ilfov, Romania.
| | - Mihaela Florea
- National Institute of Materials Physics, Magurele, 077125, Ilfov, Romania.
| | - G A Nemnes
- Horia Hulubei National Institute for Physics and Nuclear Engineering, 077126, Magurele, Ilfov, Romania.,University of Bucharest, Faculty of Physics, 077125, Magurele, Ilfov, Romania. .,Research Institute of the University of Bucharest (ICUB), 90 Panduri Street, 050663, Bucharest, Romania
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14
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Qiu L, Si G, Bao X, Liu J, Guan M, Wu Y, Qi X, Xing G, Dai Z, Bao Q, Li G. Interfacial engineering of halide perovskites and two-dimensional materials. Chem Soc Rev 2023; 52:212-247. [PMID: 36468561 DOI: 10.1039/d2cs00218c] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/07/2022]
Abstract
Recently, halide perovskites (HPs) and layered two-dimensional (2D) materials have received significant attention from industry and academia alike. HPs are emerging materials that have exciting photoelectric properties, such as a high absorption coefficient, rapid carrier mobility and high photoluminescence quantum yields, making them excellent candidates for various optoelectronic applications. 2D materials possess confined carrier mobility in 2D planes and are widely employed in nanostructures to achieve interfacial modification. HP/2D material interfaces could potentially reveal unprecedented interfacial properties, including light absorbance with desired spectral overlap, tunable carrier dynamics and modified stability, which may lead to several practical applications. In this review, we attempt to provide a comprehensive perspective on the development of interfacial engineering of HP/2D material interfaces. Specifically, we highlight the recent progress in HP/2D material interfaces considering their architectures, electronic energetics tuning and interfacial properties, discuss the potential applications of these interfaces and analyze the challenges and future research directions of interfacial engineering of HP/2D material interfaces. This review links the fields of HPs and 2D materials through interfacial engineering to provide insights into future innovations and their great potential applications in optoelectronic devices.
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Affiliation(s)
- Lei Qiu
- Engineering Research Center of Nano-Geomaterials of Ministry of Education, Faculty of Materials Science and Chemistry, China University of Geosciences, 388 Lumo Road, Wuhan 430074, China.
| | - Guangyuan Si
- Melbourne Center for Nanofabrication, Victorian Node of the Australian National Fabrication Facility, 151 Wellington Road, Clayton, Victoria 3168, Australia
| | - Xiaozhi Bao
- Joint Key Laboratory of the Ministry of Education, Institute of Applied Physics and Materials Engineering, University of Macau, Macau SAR 999078, China
| | - Jun Liu
- Engineering Research Center of Nano-Geomaterials of Ministry of Education, Faculty of Materials Science and Chemistry, China University of Geosciences, 388 Lumo Road, Wuhan 430074, China.
| | - Mengyu Guan
- Engineering Research Center of Nano-Geomaterials of Ministry of Education, Faculty of Materials Science and Chemistry, China University of Geosciences, 388 Lumo Road, Wuhan 430074, China.
| | - Yiwen Wu
- Engineering Research Center of Nano-Geomaterials of Ministry of Education, Faculty of Materials Science and Chemistry, China University of Geosciences, 388 Lumo Road, Wuhan 430074, China.
| | - Xiang Qi
- Hunan Key Laboratory for Micro-Nano Energy Materials and Devices, School of Physics and Optoelectronic, Xiangtan University, Hunan 411105, China
| | - Guichuan Xing
- Joint Key Laboratory of the Ministry of Education, Institute of Applied Physics and Materials Engineering, University of Macau, Macau SAR 999078, China
| | - Zhigao Dai
- Engineering Research Center of Nano-Geomaterials of Ministry of Education, Faculty of Materials Science and Chemistry, China University of Geosciences, 388 Lumo Road, Wuhan 430074, China. .,Shenzhen Institute, China University of Geosciences, Shenzhen 518057, China
| | - Qiaoliang Bao
- Institute of Energy Materials Science (IEMS), University of Shanghai for Science and Technology, Shanghai 200093, China.,Nanjing kLight Laser Technology Co. Ltd., Nanjing, Jiangsu 210032, China.
| | - Guogang Li
- Engineering Research Center of Nano-Geomaterials of Ministry of Education, Faculty of Materials Science and Chemistry, China University of Geosciences, 388 Lumo Road, Wuhan 430074, China. .,Zhejiang Institute, China University of Geosciences, Hangzhou 311305, China
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15
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Romagnoli L, D’Annibale A, Blundo E, Polimeni A, Cassetta A, Chita G, Panetta R, Ciccioli A, Latini A. Synthesis, Structure, and Characterization of 4,4'-(Anthracene-9,10-diylbis(ethyne-2,1-diyl))bis(1-methyl-1-pyridinium) Bismuth Iodide (C 30H 22N 2) 3Bi 4I 18, an Air, Water, and Thermally Stable 0D Hybrid Perovskite with High Photoluminescence Efficiency. CRYSTAL GROWTH & DESIGN 2022; 22:7426-7433. [PMID: 36510624 PMCID: PMC9732820 DOI: 10.1021/acs.cgd.2c01005] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Revised: 11/10/2022] [Indexed: 06/17/2023]
Abstract
4,4'-(Anthracene-9,10-diylbis(ethyne-2,1-diyl))bis(1-methyl-1-pyridinium) bismuth iodide (C30H22N2)3Bi4I18 (AEPyBiI) was obtained as a black powder by a very simple route by mixing an acetone solution of BiI3 and an aqueous solution of C30H22N2I2. This novel perovskite is air and water stable and displays a remarkable thermal stability up to nearly 300 °C. The highly conjugated cation C30H22N2 2+ is hydrolytically stable, being nitrogen atoms quaternarized, and this accounts for the insensitivity of the perovskite toward water and atmospheric oxygen under ambient conditions. The cation in aqueous solution is highly fluorescent under UV irradiation (emitting yellow-orange light). AEPyBiI as well is intensely luminescent, its photoluminescence emission being more than 1 order of magnitude greater than that of high-quality InP epilayers. The crystal structure of AEPyBiI was determined using synchrotron radiation single-crystal X-ray diffraction. AEPyBiI was extensively characterized using a wide range of techniques, such as X-ray powder diffraction, diffuse reflectance UV-vis spectroscopy, Fourier transform infrared (FTIR) and Raman spectroscopies, thermogravimetry-differential thermal analysis (TG-DTA), elemental analysis, electrospray ionization mass spectroscopy (ESI-MS), and photoluminescence spectroscopy. AEPyBiI displays a zero-dimensional (0D) perovskite structure in which the inorganic part is constituted by binuclear units consisting of two face-sharing BiI6 octahedra (Bi2I9 3- units). The C30H22N2 2+ cations are stacked along the a-axis direction in a complex motif. Considering its noteworthy light-emitting properties coupled with an easy synthesis and environmental stability, and its composition that does not contain toxic lead or easily oxidable Sn(II), AEPyBiI is a promising candidate for environmentally friendly light-emitting devices.
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Affiliation(s)
- Lorenza Romagnoli
- Dipartimento
di Chimica, Sapienza Università di
Roma, Piazzale Aldo Moro
5, 00185Roma, Italy
| | - Andrea D’Annibale
- Dipartimento
di Chimica, Sapienza Università di
Roma, Piazzale Aldo Moro
5, 00185Roma, Italy
| | - Elena Blundo
- Dipartimento
di Fisica, Sapienza Università di
Roma, Piazzale Aldo Moro
5, 00185Roma, Italy
| | - Antonio Polimeni
- Dipartimento
di Fisica, Sapienza Università di
Roma, Piazzale Aldo Moro
5, 00185Roma, Italy
| | - Alberto Cassetta
- Consiglio
Nazionale delle Ricerche, Istituto di Cristallografia,
Sede Secondaria di Trieste, Area Science Park − Basovizza, Strada Statale
14, km 163.5, 34149Trieste, Italy
| | - Giuseppe Chita
- Consiglio
Nazionale delle Ricerche, Istituto di Cristallografia,
Sede Secondaria di Trieste, Area Science Park − Basovizza, Strada Statale
14, km 163.5, 34149Trieste, Italy
| | - Riccardo Panetta
- Ispa
- Istituto Sperimentale Problematiche Ambientali, Via San Nicandro snc, 03042Atina, FR, Italy
| | - Andrea Ciccioli
- Dipartimento
di Chimica, Sapienza Università di
Roma, Piazzale Aldo Moro
5, 00185Roma, Italy
| | - Alessandro Latini
- Dipartimento
di Chimica, Sapienza Università di
Roma, Piazzale Aldo Moro
5, 00185Roma, Italy
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16
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Landi N, Maurina E, Marongiu D, Simbula A, Borsacchi S, Calucci L, Saba M, Carignani E, Geppi M. Solid-State Nuclear Magnetic Resonance of Triple-Cation Mixed-Halide Perovskites. J Phys Chem Lett 2022; 13:9517-9525. [PMID: 36200785 PMCID: PMC9575147 DOI: 10.1021/acs.jpclett.2c02313] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Accepted: 09/15/2022] [Indexed: 06/16/2023]
Abstract
Mixed-cation lead mixed-halide perovskites are the best candidates for perovskite-based photovoltaics, thanks to their higher efficiency and stability compared to the single-cation single-halide parent compounds. TripleMix (Cs0.05MA0.14FA0.81PbI2.55Br0.45 with FA = formamidinium and MA = methylammonium) is one of the most efficient and stable mixed perovskites for single-junction solar cells. The microscopic reasons why triple-cation perovskites perform so well are still under debate. In this work, we investigated the structure and dynamics of TripleMix by exploiting multinuclear solid-state nuclear magnetic resonance (SSNMR), which can provide this information at a level of detail not accessible by other techniques. 133Cs, 13C, 1H, and 207Pb SSNMR spectra confirmed the inclusion of all ions in the perovskite, without phase segregation. Complementary measurements showed a peculiar longitudinal relaxation behavior for the 1H and 207Pb nuclei in TripleMix with respect to single-cation single-halide perovskites, suggesting slower dynamics of both organic cations and halide anions, possibly related to the high photovoltaic performances.
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Affiliation(s)
- Noemi Landi
- Department
of Chemistry and Industrial Chemistry, University
of Pisa, via G. Moruzzi 13, 56124Pisa, Italy
| | - Elena Maurina
- Department
of Chemistry and Industrial Chemistry, University
of Pisa, via G. Moruzzi 13, 56124Pisa, Italy
| | - Daniela Marongiu
- Department
of Physics, University of Cagliari, S.P. Monserrato-Sestu Km. 0700, 09042Monserrato, Cagliari, Italy
| | - Angelica Simbula
- Department
of Physics, University of Cagliari, S.P. Monserrato-Sestu Km. 0700, 09042Monserrato, Cagliari, Italy
| | - Silvia Borsacchi
- Institute
for the Chemistry of OrganoMetallic Compounds - ICCOM, Italian National Research Council - CNR, via G. Moruzzi 1, 56124Pisa, Italy
- Center
for Instrument Sharing, University of Pisa
(CISUP), 56126Pisa, Italy
| | - Lucia Calucci
- Institute
for the Chemistry of OrganoMetallic Compounds - ICCOM, Italian National Research Council - CNR, via G. Moruzzi 1, 56124Pisa, Italy
- Center
for Instrument Sharing, University of Pisa
(CISUP), 56126Pisa, Italy
| | - Michele Saba
- Department
of Physics, University of Cagliari, S.P. Monserrato-Sestu Km. 0700, 09042Monserrato, Cagliari, Italy
| | - Elisa Carignani
- Institute
for the Chemistry of OrganoMetallic Compounds - ICCOM, Italian National Research Council - CNR, via G. Moruzzi 1, 56124Pisa, Italy
| | - Marco Geppi
- Department
of Chemistry and Industrial Chemistry, University
of Pisa, via G. Moruzzi 13, 56124Pisa, Italy
- Institute
for the Chemistry of OrganoMetallic Compounds - ICCOM, Italian National Research Council - CNR, via G. Moruzzi 1, 56124Pisa, Italy
- Center
for Instrument Sharing, University of Pisa
(CISUP), 56126Pisa, Italy
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17
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Apergi S, Koch C, Brocks G, Olthof S, Tao S. Decomposition of Organic Perovskite Precursors on MoO 3: Role of Halogen and Surface Defects. ACS APPLIED MATERIALS & INTERFACES 2022; 14:34208-34219. [PMID: 35107986 PMCID: PMC9353771 DOI: 10.1021/acsami.1c20847] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Despite the rapid progress in perovskite solar cells, their commercialization is still hindered by issues regarding long-term stability, which can be strongly affected by metal oxide-based charge extraction layers next to the perovskite material. With MoO3 being one of the most successful hole transport layers in organic photovoltaics, the disastrous results of its combination with perovskite films came as a surprise but was soon attributed to severe chemical instability at the MoO3/perovskite interface. To discover the atomistic origin of this instability, we combine density functional theory (DFT) calculations and X-ray photoelectron spectroscopy (XPS) measurements to investigate the interaction of MoO3 with the perovskite precursors MAI, MABr, FAI, and FABr. From DFT calculations we suggest a scenario that is based upon oxygen vacancies playing a key role in interface degradation reactions. Not only do these vacancies promote decomposition reactions of perovskite precursors, but they also constitute the reaction centers for redox reactions leading to oxidation of the halides and reduction of Mo. Specifically iodides are proposed to be reactive, while bromides do not significantly affect the oxide. XPS measurements reveal a severe reduction of Mo and a loss of the halide species when the oxide is interfaced with I-containing precursors, which is consistent with the proposed scenario. In line with the latter, experimentally observed effects are much less pronounced in case of Br-containing precursors. We further find that the reactivity of the MoO3 substrate can be moderated by reducing the number of oxygen vacancies through a UV/ozone treatment, though it cannot be fully eliminated.
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Affiliation(s)
- Sofia Apergi
- Materials
Simulation and Modelling, Department of Applied Physics, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
- Center
for Computational Energy Research, Department of Applied Physics, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Christine Koch
- Department
of Chemistry, University of Cologne, Greinstraße 4-6, 50939 Cologne, Germany
| | - Geert Brocks
- Materials
Simulation and Modelling, Department of Applied Physics, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
- Center
for Computational Energy Research, Department of Applied Physics, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
- Computational
Materials Science, Faculty of Science and Technology and MESA+, Institute
for Nanotechnology, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands
| | - Selina Olthof
- Department
of Chemistry, University of Cologne, Greinstraße 4-6, 50939 Cologne, Germany
| | - Shuxia Tao
- Materials
Simulation and Modelling, Department of Applied Physics, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
- Center
for Computational Energy Research, Department of Applied Physics, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
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18
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A novel 1-D square-pyramidal coordinated palladium (II) hybrid compounds [C9H16N2]PdX4 (X=Cl, Br) showing broadband emission, electrical properties and narrow optical band gap. J SOLID STATE CHEM 2022. [DOI: 10.1016/j.jssc.2022.123149] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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19
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Wang H, Liu H, Dong Z, Wei X, Li W, Zhu L, Zhu C, Bai Y, Chen H. Moisture is not always bad: H2O accelerates the conversion of DMAPbI3 intermediate to CsPbI3 for boosting the efficiency of carbon-based perovskite solar cells to over 16%. FUNDAMENTAL RESEARCH 2022. [DOI: 10.1016/j.fmre.2022.07.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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20
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Finkenauer BP, Ma K, Dou L. Degradation and Self-Healing in Perovskite Solar Cells. ACS APPLIED MATERIALS & INTERFACES 2022; 14:24073-24088. [PMID: 35588005 DOI: 10.1021/acsami.2c01925] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Organic-inorganic halide perovskites are well-known for their unique self-healing ability. In the presence of strong external stimuli, such as light, temperature, and moisture, high-energy defects are created which can be healed by removing the perovskite from the degradation source. This self-healing ability has been showcased in devices with recoverable performance and day-and-night cycling operation to dramatically extend the device lifetime and even mechanical durability. However, to date, the mechanistic details and theory around this captivating trait are sparse and convoluted by the complex nature of perovskites. With a clear understanding of the intrinsic self-healing property, perovskite solar cells with extended lifetimes and durability can be designed to realize the large-scale commercialization of perovskite solar cells. Here, we spotlight the relevant degradation and self-healing literature and then propose design strategies to help conceptualize future research.
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Affiliation(s)
- Blake P Finkenauer
- Davidson School of Chemical Engineering, Purdue University, West Lafayette, Indiana 47907, United States
| | - Ke Ma
- Davidson School of Chemical Engineering, Purdue University, West Lafayette, Indiana 47907, United States
| | - Letian Dou
- Davidson School of Chemical Engineering, Purdue University, West Lafayette, Indiana 47907, United States
- Birck Nanotechnology Center, Purdue University, West Lafayette, Indiana 47907, United States
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21
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Ornelas-Cruz I, González I, Pilo J, Trejo A, Oviedo-Roa R, Cruz-Irisson M. Impact of alkaline-earth doping on electronic properties of the photovoltaic perovskite CsSnI 3: insights from a DFT perspective. Dalton Trans 2022; 51:6607-6621. [PMID: 35383786 DOI: 10.1039/d1dt04041c] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The oxidation of Sn(II) to the more stable Sn(IV) degrades the photovoltaic perovskite material CsSnI3; however, this problem can be counteracted via alkaline-earth (AE) doping. In this work, the electronic properties of CsSn1-xAExI3, with x = 0 and 0.25, and AE = Mg and Ca, were investigated via Density Functional Theory. It is proven that the synthetic reactions of all these perovskites are thermodynamically viable. Besides, a slight strengthening in the metal-halide bonds is found in the Mg-doped perovskite; consequently, it exhibits the greatest bulk modulus. Nevertheless, the opposite occurrs with the Ca-doped perovskite, which has the smallest bulk modulus due to the weakening of its metal-halide bonds. The calculated bandgaps for CsSnI3, Mg-doped and Ca-doped perovskites are 1.11, 1.32 and 1.55 eV, respectively, remaining remarkably close to the best photovoltaic-performing value for single-junction solar cells of 1.34 eV. Nevertheless, an indirect bandgap was predicted under Mg-doping. These results support the possibility of implementing AE-doped perovskites as absorber materials in single-junction solar cells, which can deliver higher output voltages than that using CsSnI3. Finally, it was found that Sr or Ba doping could result in semiconductors with bandgaps close to 2.0 eV.
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Affiliation(s)
- Iván Ornelas-Cruz
- Instituto Politécnico Nacional, ESIME-Culhuacán, Av. Santa Ana 1000, 04440, Ciudad de México, Mexico.
| | - Israel González
- Instituto Politécnico Nacional, ESIME-Culhuacán, Av. Santa Ana 1000, 04440, Ciudad de México, Mexico.
| | - Jorge Pilo
- Instituto Politécnico Nacional, ESIME-Culhuacán, Av. Santa Ana 1000, 04440, Ciudad de México, Mexico.
| | - Alejandro Trejo
- Instituto Politécnico Nacional, ESIME-Culhuacán, Av. Santa Ana 1000, 04440, Ciudad de México, Mexico.
| | - Raúl Oviedo-Roa
- Instituto Mexicano del Petróleo, Eje Central Lázaro Cárdenas Norte 152, 07730, Ciudad de México, Mexico
| | - Miguel Cruz-Irisson
- Instituto Politécnico Nacional, ESIME-Culhuacán, Av. Santa Ana 1000, 04440, Ciudad de México, Mexico.
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22
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Minussi FB, A Silva L, Araújo EB. Structure, optoelectronic properties and thermal stability of the triple organic cation GA xFA xMA 1-2xPbI 3 system prepared by mechanochemical synthesis. Phys Chem Chem Phys 2022; 24:4715-4728. [PMID: 35137746 DOI: 10.1039/d1cp04977a] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Halide perovskites are a well-known class of materials with many interesting applications. Great attention has been devoted to investigating halide perovskites containing triple methylammonium (MA+), formamidinium (FA+), and guanidinium (GA+) cations. Despite presenting very good applied perspectives so far, the lack of fundamental information for this system, such as its structural, thermal, and optoelectronic characteristics, prompts a step back before any technological leap forward. In the present work, we investigate the physical properties of mechanochemically solvent-free synthesized GAxFAxMA1-2xPbI3 halide perovskite powders with compositions of 0.00 ≤ x ≤ 0.15. We demonstrate that the synthesis of the powders can be performed by a simple manual mechanical grinding of the precursors for about 40 minutes, leading to solid solutions with an only minor content of unreacted precursors. X-ray diffraction, differential scanning calorimetry, and infrared spectroscopy techniques were used to investigate the structure, tetragonal-to-cubic phase transition, and vibrational characteristics of the organic cations with increasing GA+ and FA+ contents, respectively. The band gap and Urbach energies, obtained from ultraviolet-visible spectroscopy analyses, ranged from 1.58 to 1.65 eV and 23 to 36 meV, respectively, depending on the composition. These parameters demonstrate a non-random variation with x composition, which offers the possibility of a rational composition design for a given set of desired properties, demonstrating potential for optoelectronic applications. Finally, the system appears to have adequately tolerated heating for 12 hours at 120 °C in an ambient atmosphere, indicating high thermal stability and low ionic conductivity, which are desirable characteristics for solar cell applications.
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Affiliation(s)
- F B Minussi
- Department of Physics and Chemistry, São Paulo State University, 15385-000 Ilha Solteira, Brazil.
| | - L A Silva
- Department of Engineering, University of Rio Verde, 75901-970 Rio Verde, Brazil
| | - E B Araújo
- Department of Physics and Chemistry, São Paulo State University, 15385-000 Ilha Solteira, Brazil.
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23
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Thermodynamic Study of Formamidinium Lead Iodide (CH5N2PbI3) from 5 to 357 K. ENTROPY 2022; 24:e24020145. [PMID: 35205441 PMCID: PMC8871434 DOI: 10.3390/e24020145] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Revised: 01/13/2022] [Accepted: 01/14/2022] [Indexed: 11/16/2022]
Abstract
In the present study, the molar heat capacity of solid formamidinium lead iodide (CH5N2PbI3) was measured over the temperature range from 5 to 357 K using a precise automated adiabatic calorimeter. In the above temperature interval, three distinct phase transitions were found in ranges from 49 to 56 K, from 110 to 178 K, and from 264 to 277 K. The standard thermodynamic functions of the studied perovskite, namely the heat capacity C°p(T), enthalpy [H0(T) − H0(0)], entropy S0(T), and [G°(T) − H°(0)]/T, were calculated for the temperature range from 0 to 345 K based on the experimental data. Herein, the results are discussed and compared with those available in the literature as measured by nonclassical methods.
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24
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Crystal structure and semiconductor properties of copper(II) complex incorporating chiral (R)-(+)-α-Ethylbenzylammonium cations:[(R)-C9H14N]3[CuBr4].Br. J SOLID STATE CHEM 2022. [DOI: 10.1016/j.jssc.2021.122646] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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25
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Luongo A, Brunetti B, Vecchio Ciprioti S, Ciccioli A, Latini A. Thermodynamic and Kinetic Aspects of Formamidinium Lead Iodide Thermal Decomposition. THE JOURNAL OF PHYSICAL CHEMISTRY. C, NANOMATERIALS AND INTERFACES 2021; 125:21851-21861. [PMID: 34676017 PMCID: PMC8521522 DOI: 10.1021/acs.jpcc.1c06729] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 09/09/2021] [Indexed: 05/30/2023]
Abstract
We report the results of a multi-technique study on the thermodynamics and kinetics of formamidinium lead iodide (FAPI) thermal decomposition. Thermodynamics was investigated by means of Knudsen effusion techniques. Kinetics was studied either by temperature-controlled powder X-ray diffraction or by two isoconversional treatments of differential scanning calorimetry data. FAPI appears to be much more thermally stable compared to methylammonium lead iodide, as predictable from the lower acidity of the formamidinium cation compared to methylammonium. The chemical processes responsible for its thermal degradation appear to be quite complex as highlighted by the composition of the gaseous phase evolved during the process. The apparent activation energy values of the decomposition obtained from X-ray diffraction (XRD) (112 ± 9 kJ/mol) and differential scanning calorimetry (DSC) measurements (205 ± 20 and 410 ± 20 kJ/mol, respectively, for the first and second decomposition steps identified by the deconvolution procedure) reflect the different steps of the process observed by the two techniques. The thermodynamic properties of the more important decomposition channels and the enthalpy of formation of FAPI were estimated by combining the results of Knudsen effusion measurements.
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Affiliation(s)
- Alessio Luongo
- Dipartimento
di Chimica, Sapienza Università di
Roma, Piazzale Aldo Moro 5, Roma 00185, Italy
| | - Bruno Brunetti
- Consiglio
Nazionale delle Ricerche - Istituto per lo Studio dei Materiali Nanostrutturati,
c/o Dipartimento di Chimica, Sapienza Università
di Roma, Piazzale Aldo Moro 5, 00185 Roma, Italy
| | - Stefano Vecchio Ciprioti
- Dipartimento
S.B.A.I., Sapienza Università di
Roma, Via del Castro
Laurenziano 7, Roma 00161, Italy
| | - Andrea Ciccioli
- Dipartimento
di Chimica, Sapienza Università di
Roma, Piazzale Aldo Moro 5, Roma 00185, Italy
| | - Alessandro Latini
- Dipartimento
di Chimica, Sapienza Università di
Roma, Piazzale Aldo Moro 5, Roma 00185, Italy
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26
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Vicent-Luna JM, Apergi S, Tao S. Efficient Computation of Structural and Electronic Properties of Halide Perovskites Using Density Functional Tight Binding: GFN1-xTB Method. J Chem Inf Model 2021; 61:4415-4424. [PMID: 34414764 PMCID: PMC8479810 DOI: 10.1021/acs.jcim.1c00432] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
![]()
In recent years,
metal halide perovskites (MHPs) for optoelectronic
applications have attracted the attention of the scientific community
due to their outstanding performance. The fundamental understanding
of their physicochemical properties is essential for improving their
efficiency and stability. Atomistic and molecular simulations have
played an essential role in the description of the optoelectronic
properties and dynamical behavior of MHPs, respectively. However,
the complex interplay of the dynamical and optoelectronic properties
in MHPs requires the simultaneous modeling of electrons and ions in
relatively large systems, which entails a high computational cost,
sometimes not affordable by the standard quantum mechanics methods,
such as density functional theory (DFT). Here, we explore the suitability
of the recently developed density functional tight binding method,
GFN1-xTB, for simulating MHPs with the aim of exploring an efficient
alternative to DFT. The performance of GFN1-xTB for computing structural,
vibrational, and optoelectronic properties of several MHPs is benchmarked
against experiments and DFT calculations. In general, this method
produces accurate predictions for many of the properties of the studied
MHPs, which are comparable to DFT and experiments. We also identify
further challenges in the computation of specific geometries and chemical
compositions. Nevertheless, we believe that the tunability of GFN1-xTB
offers opportunities to resolve these issues and we propose specific
strategies for the further refinement of the parameters, which will
turn this method into a powerful computational tool for the study
of MHPs and beyond.
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Affiliation(s)
- José Manuel Vicent-Luna
- Materials Simulation and Modelling, Department of Applied Physics, Eindhoven University of Technology, 5600 MB Eindhoven, The Netherlands.,Center for Computational Energy Research, Department of Applied Physics, Eindhoven University of Technology, 5600 MB Eindhoven, The Netherlands
| | - Sofia Apergi
- Materials Simulation and Modelling, Department of Applied Physics, Eindhoven University of Technology, 5600 MB Eindhoven, The Netherlands.,Center for Computational Energy Research, Department of Applied Physics, Eindhoven University of Technology, 5600 MB Eindhoven, The Netherlands
| | - Shuxia Tao
- Materials Simulation and Modelling, Department of Applied Physics, Eindhoven University of Technology, 5600 MB Eindhoven, The Netherlands.,Center for Computational Energy Research, Department of Applied Physics, Eindhoven University of Technology, 5600 MB Eindhoven, The Netherlands
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27
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Investigation of Opto-Electronic Properties and Stability of Mixed-Cation Mixed-Halide Perovskite Materials with Machine-Learning Implementation. ENERGIES 2021. [DOI: 10.3390/en14175431] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The feasibility of mixed-cation mixed-halogen perovskites of formula AxA’1−xPbXyX’zX”3−y−z is analyzed from the perspective of structural stability, opto-electronic properties and possible degradation mechanisms. Using density functional theory (DFT) calculations aided by machine-learning (ML) methods, the structurally stable compositions are further evaluated for the highest absorption and optimal stability. Here, the role of the halogen mixtures is demonstrated in tuning the contrasting trends of optical absorption and stability. Similarly, binary organic cation mixtures are found to significantly influence the degradation, while they have a lesser, but still visible effect on the opto-electronic properties. The combined framework of high-throughput calculations and ML techniques such as the linear regression methods, random forests and artificial neural networks offers the necessary grounds for an efficient exploration of multi-dimensional compositional spaces.
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28
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Dey A, Ye J, De A, Debroye E, Ha SK, Bladt E, Kshirsagar AS, Wang Z, Yin J, Wang Y, Quan LN, Yan F, Gao M, Li X, Shamsi J, Debnath T, Cao M, Scheel MA, Kumar S, Steele JA, Gerhard M, Chouhan L, Xu K, Wu XG, Li Y, Zhang Y, Dutta A, Han C, Vincon I, Rogach AL, Nag A, Samanta A, Korgel BA, Shih CJ, Gamelin DR, Son DH, Zeng H, Zhong H, Sun H, Demir HV, Scheblykin IG, Mora-Seró I, Stolarczyk JK, Zhang JZ, Feldmann J, Hofkens J, Luther JM, Pérez-Prieto J, Li L, Manna L, Bodnarchuk MI, Kovalenko MV, Roeffaers MBJ, Pradhan N, Mohammed OF, Bakr OM, Yang P, Müller-Buschbaum P, Kamat PV, Bao Q, Zhang Q, Krahne R, Galian RE, Stranks SD, Bals S, Biju V, Tisdale WA, Yan Y, Hoye RLZ, Polavarapu L. State of the Art and Prospects for Halide Perovskite Nanocrystals. ACS NANO 2021; 15:10775-10981. [PMID: 34137264 PMCID: PMC8482768 DOI: 10.1021/acsnano.0c08903] [Citation(s) in RCA: 378] [Impact Index Per Article: 126.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Accepted: 05/04/2021] [Indexed: 05/10/2023]
Abstract
Metal-halide perovskites have rapidly emerged as one of the most promising materials of the 21st century, with many exciting properties and great potential for a broad range of applications, from photovoltaics to optoelectronics and photocatalysis. The ease with which metal-halide perovskites can be synthesized in the form of brightly luminescent colloidal nanocrystals, as well as their tunable and intriguing optical and electronic properties, has attracted researchers from different disciplines of science and technology. In the last few years, there has been a significant progress in the shape-controlled synthesis of perovskite nanocrystals and understanding of their properties and applications. In this comprehensive review, researchers having expertise in different fields (chemistry, physics, and device engineering) of metal-halide perovskite nanocrystals have joined together to provide a state of the art overview and future prospects of metal-halide perovskite nanocrystal research.
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Grants
- from U. S. Department of Energy, Office of Science, Office of Basic Energy Sciences, Materials Sciences and Engineering Division
- Ministry of Education, Culture, Sports, Science and Technology
- European Research Council under the European Unionâ??s Horizon 2020 research and innovation programme (HYPERION)
- Ministry of Education - Singapore
- FLAG-ERA JTC2019 project PeroGas.
- Deutsche Forschungsgemeinschaft
- Division of Chemical Sciences, Geosciences, and Biosciences, Office of Basic Energy Sciences of the U.S. Department of Energy
- EPSRC
- iBOF funding
- Agencia Estatal de Investigaci�ón, Ministerio de Ciencia, Innovaci�ón y Universidades
- National Research Foundation Singapore
- National Natural Science Foundation of China
- Croucher Foundation
- US NSF
- Fonds Wetenschappelijk Onderzoek
- National Science Foundation
- Royal Society and Tata Group
- Department of Science and Technology, Ministry of Science and Technology
- Swiss National Science Foundation
- Natural Science Foundation of Shandong Province, China
- Research 12210 Foundation?Flanders
- Japan International Cooperation Agency
- Ministry of Science and Innovation of Spain under Project STABLE
- Generalitat Valenciana via Prometeo Grant Q-Devices
- VetenskapsrÃÂ¥det
- Natural Science Foundation of Jiangsu Province
- KU Leuven
- Knut och Alice Wallenbergs Stiftelse
- Generalitat Valenciana
- Agency for Science, Technology and Research
- Ministerio de EconomÃÂa y Competitividad
- Royal Academy of Engineering
- Hercules Foundation
- China Association for Science and Technology
- U.S. Department of Energy
- Alexander von Humboldt-Stiftung
- Wenner-Gren Foundation
- Welch Foundation
- Vlaamse regering
- European Commission
- Bayerisches Staatsministerium für Wissenschaft, Forschung und Kunst
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Affiliation(s)
- Amrita Dey
- Chair for
Photonics and Optoelectronics, Nano-Institute Munich, Department of
Physics, Ludwig-Maximilians-Universität
(LMU), Königinstrasse 10, 80539 Munich, Germany
| | - Junzhi Ye
- Cavendish
Laboratory, University of Cambridge, 19 JJ Thomson Avenue, Cambridge CB3 0HE, United Kingdom
| | - Apurba De
- School of
Chemistry, University of Hyderabad, Hyderabad 500 046, India
| | - Elke Debroye
- Department
of Chemistry, KU Leuven, 3001 Leuven, Belgium
| | - Seung Kyun Ha
- Department
of Chemical Engineering, Massachusetts Institute
of Technology, Cambridge, Massachusetts 02139, United States
| | - Eva Bladt
- EMAT, University
of Antwerp, Groenenborgerlaan
171, 2020 Antwerp, Belgium
- NANOlab Center
of Excellence, University of Antwerp, 2020 Antwerp, Belgium
| | - Anuraj S. Kshirsagar
- Department
of Chemistry, Indian Institute of Science
Education and Research (IISER), Pune 411008, India
| | - Ziyu Wang
- School
of
Science and Technology for Optoelectronic Information ,Yantai University, Yantai, Shandong Province 264005, China
| | - Jun Yin
- Division
of Physical Science and Engineering, King
Abdullah University of Science and Technology, Thuwal 23955-6900, Kingdom of Saudi Arabia
- CINBIO,
Universidade de Vigo, Materials Chemistry
and Physics group, Departamento de Química Física, Campus Universitario As Lagoas,
Marcosende, 36310 Vigo, Spain
- Advanced
Membranes and Porous Materials Center, King
Abdullah University of Science and Technology, Thuwal 23955-6900, Kingdom of Saudi Arabia
| | - Yue Wang
- MIIT Key
Laboratory of Advanced Display Materials and Devices, Institute of
Optoelectronics & Nanomaterials, College of Materials Science
and Engineering, Nanjing University of Science
and Technology, Nanjing 210094, China
| | - Li Na Quan
- Department
of Chemistry, University of California,
Berkeley, Berkeley, California 94720, United States
- Materials
Sciences Division, Lawrence Berkeley National
Laboratory, Berkeley, California 94720, United States
| | - Fei Yan
- LUMINOUS!
Center of Excellence for Semiconductor Lighting and Displays, TPI-The
Photonics Institute, School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore 639798
| | - Mengyu Gao
- Materials
Sciences Division, Lawrence Berkeley National
Laboratory, Berkeley, California 94720, United States
- Department
of Materials Science and Engineering, University
of California, Berkeley, California 94720, United States
| | - Xiaoming Li
- MIIT Key
Laboratory of Advanced Display Materials and Devices, Institute of
Optoelectronics & Nanomaterials, College of Materials Science
and Engineering, Nanjing University of Science
and Technology, Nanjing 210094, China
| | - Javad Shamsi
- Cavendish
Laboratory, University of Cambridge, 19 JJ Thomson Avenue, Cambridge CB3 0HE, United Kingdom
| | - Tushar Debnath
- Chair for
Photonics and Optoelectronics, Nano-Institute Munich, Department of
Physics, Ludwig-Maximilians-Universität
(LMU), Königinstrasse 10, 80539 Munich, Germany
| | - Muhan Cao
- Institute
of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory
for Carbon-Based Functional Materials and Devices, Soochow University, Suzhou 215123, China
| | - Manuel A. Scheel
- Lehrstuhl
für Funktionelle Materialien, Physik Department, Technische Universität München, James-Franck-Str. 1, 85748 Garching, Germany
| | - Sudhir Kumar
- Institute
for Chemical and Bioengineering, Department of Chemistry and Applied
Biosciences, ETH-Zurich, CH-8093 Zürich, Switzerland
| | - Julian A. Steele
- MACS Department
of Microbial and Molecular Systems, KU Leuven, 3001 Leuven, Belgium
| | - Marina Gerhard
- Chemical
Physics and NanoLund Lund University, PO Box 124, 22100 Lund, Sweden
| | - Lata Chouhan
- Graduate
School of Environmental Science and Research Institute for Electronic
Science, Hokkaido University, Sapporo, Hokkaido 001-0020, Japan
| | - Ke Xu
- Department
of Chemistry and Biochemistry, University
of California, Santa Cruz, California 95064, United States
- Multiscale
Crystal Materials Research Center, Shenzhen Institute of Advanced
Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Xian-gang Wu
- Beijing
Key Laboratory of Nanophotonics and Ultrafine Optoelectronic Systems,
School of Materials Science & Engineering, Beijing Institute of Technology, 5 Zhongguancun South Street, Haidian
District, Beijing 100081, China
| | - Yanxiu Li
- Department
of Materials Science and Engineering, and Centre for Functional Photonics
(CFP), City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong S.A.R.
| | - Yangning Zhang
- McKetta
Department of Chemical Engineering and Texas Materials Institute, The University of Texas at Austin, Austin, Texas 78712-1062, United States
| | - Anirban Dutta
- School
of Materials Sciences, Indian Association
for the Cultivation of Science, Kolkata 700032, India
| | - Chuang Han
- Department
of Chemistry and Biochemistry, San Diego
State University, San Diego, California 92182, United States
| | - Ilka Vincon
- Chair for
Photonics and Optoelectronics, Nano-Institute Munich, Department of
Physics, Ludwig-Maximilians-Universität
(LMU), Königinstrasse 10, 80539 Munich, Germany
| | - Andrey L. Rogach
- Department
of Materials Science and Engineering, and Centre for Functional Photonics
(CFP), City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong S.A.R.
| | - Angshuman Nag
- Department
of Chemistry, Indian Institute of Science
Education and Research (IISER), Pune 411008, India
| | - Anunay Samanta
- School of
Chemistry, University of Hyderabad, Hyderabad 500 046, India
| | - Brian A. Korgel
- McKetta
Department of Chemical Engineering and Texas Materials Institute, The University of Texas at Austin, Austin, Texas 78712-1062, United States
| | - Chih-Jen Shih
- Institute
for Chemical and Bioengineering, Department of Chemistry and Applied
Biosciences, ETH-Zurich, CH-8093 Zürich, Switzerland
| | - Daniel R. Gamelin
- Department
of Chemistry, University of Washington, Seattle, Washington 98195, United States
| | - Dong Hee Son
- Department
of Chemistry, Texas A&M University, College Station, Texas 77843, United States
| | - Haibo Zeng
- MIIT Key
Laboratory of Advanced Display Materials and Devices, Institute of
Optoelectronics & Nanomaterials, College of Materials Science
and Engineering, Nanjing University of Science
and Technology, Nanjing 210094, China
| | - Haizheng Zhong
- Beijing
Key Laboratory of Nanophotonics and Ultrafine Optoelectronic Systems,
School of Materials Science & Engineering, Beijing Institute of Technology, 5 Zhongguancun South Street, Haidian
District, Beijing 100081, China
| | - Handong Sun
- Division
of Physics and Applied Physics, School of Physical and Mathematical
Sciences, Nanyang Technological University, Singapore 637371
- Centre
for Disruptive Photonic Technologies (CDPT), Nanyang Technological University, Singapore 637371
| | - Hilmi Volkan Demir
- LUMINOUS!
Center of Excellence for Semiconductor Lighting and Displays, TPI-The
Photonics Institute, School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore 639798
- Division
of Physics and Applied Physics, School of Physical and Mathematical
Sciences, Nanyang Technological University, Singapore 639798
- Department
of Electrical and Electronics Engineering, Department of Physics,
UNAM-Institute of Materials Science and Nanotechnology, Bilkent University, Ankara 06800, Turkey
| | - Ivan G. Scheblykin
- Chemical
Physics and NanoLund Lund University, PO Box 124, 22100 Lund, Sweden
| | - Iván Mora-Seró
- Institute
of Advanced Materials (INAM), Universitat
Jaume I, 12071 Castelló, Spain
| | - Jacek K. Stolarczyk
- Chair for
Photonics and Optoelectronics, Nano-Institute Munich, Department of
Physics, Ludwig-Maximilians-Universität
(LMU), Königinstrasse 10, 80539 Munich, Germany
| | - Jin Z. Zhang
- Department
of Chemistry and Biochemistry, University
of California, Santa Cruz, California 95064, United States
| | - Jochen Feldmann
- Chair for
Photonics and Optoelectronics, Nano-Institute Munich, Department of
Physics, Ludwig-Maximilians-Universität
(LMU), Königinstrasse 10, 80539 Munich, Germany
| | - Johan Hofkens
- Department
of Chemistry, KU Leuven, 3001 Leuven, Belgium
- Max Planck
Institute for Polymer Research, Mainz 55128, Germany
| | - Joseph M. Luther
- National
Renewable Energy Laboratory, Golden, Colorado 80401, United States
| | - Julia Pérez-Prieto
- Institute
of Molecular Science, University of Valencia, c/Catedrático José
Beltrán 2, Paterna, Valencia 46980, Spain
| | - Liang Li
- School
of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Liberato Manna
- Nanochemistry
Department, Istituto Italiano di Tecnologia, Via Morego 30, Genova 16163, Italy
| | - Maryna I. Bodnarchuk
- Institute
of Inorganic Chemistry and § Institute of Chemical and Bioengineering,
Department of Chemistry and Applied Bioscience, ETH Zurich, Vladimir
Prelog Weg 1, CH-8093 Zürich, Switzerland
- Laboratory
for Thin Films and Photovoltaics, Empa−Swiss
Federal Laboratories for Materials Science and Technology, Überlandstrasse 129, CH-8600 Dübendorf, Switzerland
| | - Maksym V. Kovalenko
- Institute
of Inorganic Chemistry and § Institute of Chemical and Bioengineering,
Department of Chemistry and Applied Bioscience, ETH Zurich, Vladimir
Prelog Weg 1, CH-8093 Zürich, Switzerland
- Laboratory
for Thin Films and Photovoltaics, Empa−Swiss
Federal Laboratories for Materials Science and Technology, Überlandstrasse 129, CH-8600 Dübendorf, Switzerland
| | | | - Narayan Pradhan
- School
of Materials Sciences, Indian Association
for the Cultivation of Science, Kolkata 700032, India
| | - Omar F. Mohammed
- Advanced
Membranes and Porous Materials Center, King
Abdullah University of Science and Technology, Thuwal 23955-6900, Kingdom of Saudi Arabia
- KAUST Catalysis
Center, King Abdullah University of Science
and Technology, Thuwal 23955-6900, Kingdom of Saudi
Arabia
| | - Osman M. Bakr
- Division
of Physical Science and Engineering, King
Abdullah University of Science and Technology, Thuwal 23955-6900, Kingdom of Saudi Arabia
- Advanced
Membranes and Porous Materials Center, King
Abdullah University of Science and Technology, Thuwal 23955-6900, Kingdom of Saudi Arabia
| | - Peidong Yang
- Department
of Chemistry, University of California,
Berkeley, Berkeley, California 94720, United States
- Materials
Sciences Division, Lawrence Berkeley National
Laboratory, Berkeley, California 94720, United States
- Department
of Materials Science and Engineering, University
of California, Berkeley, California 94720, United States
- Kavli
Energy NanoScience Institute, Berkeley, California 94720, United States
| | - Peter Müller-Buschbaum
- Lehrstuhl
für Funktionelle Materialien, Physik Department, Technische Universität München, James-Franck-Str. 1, 85748 Garching, Germany
- Heinz Maier-Leibnitz
Zentrum (MLZ), Technische Universität
München, Lichtenbergstr. 1, D-85748 Garching, Germany
| | - Prashant V. Kamat
- Notre Dame
Radiation Laboratory, Department of Chemistry and Biochemistry, University of Notre Dame, Notre Dame, Indiana 46556, United States
| | - Qiaoliang Bao
- Department
of Materials Science and Engineering and ARC Centre of Excellence
in Future Low-Energy Electronics Technologies (FLEET), Monash University, Clayton, Victoria 3800, Australia
| | - Qiao Zhang
- Institute
of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory
for Carbon-Based Functional Materials and Devices, Soochow University, Suzhou 215123, China
| | - Roman Krahne
- Istituto
Italiano di Tecnologia, Via Morego 30, 16163 Genova, Italy
| | - Raquel E. Galian
- School
of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Samuel D. Stranks
- Cavendish
Laboratory, University of Cambridge, 19 JJ Thomson Avenue, Cambridge CB3 0HE, United Kingdom
- Department
of Chemical Engineering and Biotechnology, University of Cambridge, Cambridge CB3 0AS, United Kingdom
| | - Sara Bals
- EMAT, University
of Antwerp, Groenenborgerlaan
171, 2020 Antwerp, Belgium
- NANOlab Center
of Excellence, University of Antwerp, 2020 Antwerp, Belgium
| | - Vasudevanpillai Biju
- Graduate
School of Environmental Science and Research Institute for Electronic
Science, Hokkaido University, Sapporo, Hokkaido 001-0020, Japan
| | - William A. Tisdale
- Department
of Chemical Engineering, Massachusetts Institute
of Technology, Cambridge, Massachusetts 02139, United States
| | - Yong Yan
- Department
of Chemistry and Biochemistry, San Diego
State University, San Diego, California 92182, United States
| | - Robert L. Z. Hoye
- Department
of Materials, Imperial College London, Exhibition Road, London SW7 2AZ, United Kingdom
| | - Lakshminarayana Polavarapu
- Chair for
Photonics and Optoelectronics, Nano-Institute Munich, Department of
Physics, Ludwig-Maximilians-Universität
(LMU), Königinstrasse 10, 80539 Munich, Germany
- CINBIO,
Universidade de Vigo, Materials Chemistry
and Physics group, Departamento de Química Física, Campus Universitario As Lagoas,
Marcosende, 36310 Vigo, Spain
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29
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Liu Y, Borodinov N, Collins L, Ahmadi M, Kalinin SV, Ovchinnikova OS, Ievlev AV. Role of Decomposition Product Ions in Hysteretic Behavior of Metal Halide Perovskite. ACS NANO 2021; 15:9017-9026. [PMID: 33955732 DOI: 10.1021/acsnano.1c02097] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Ion migration is one of the most debated mechanisms and credited with multiple observed phenomena and performance in metal halide perovskites (MHPs) semiconductor devices. However, to date, the migration of ions and their effects on MHPs are not still fully understood, largely due to a lack of direct observations of temporal ion migration. In this work, using direct observation of ion migration in-operando, we observe the hysteretic migration behavior of intrinsic ions (i.e., CH3NH3+ and I-) as well as reveal the migration behavior of CH3NH3+ decomposition ions. We find that CH3NH3+ decomposition products can be affected by light and accumulate at the interfaces under bias. These MHP decomposition products are tightly related to the device performance and stability. Complementary results of time-resolved Kelvin probe force microscopy (tr-KPFM) demonstrate a correlation between dynamics of these interfacial ions and charge carriers. Overall, we find that there are a number of mobile ions including CH3NH3+ decomposition products in MHPs that need to be taken into account when measuring MHP device responses (e.g., charge dynamics) and should be considered in future optimization studies of MHP semiconductor devices.
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Affiliation(s)
- Yongtao Liu
- Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37830, United States
- Department of Materials Science and Engineering, University of Tennessee, Knoxville, Tennessee 37996, United States
| | - Nikolay Borodinov
- Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37830, United States
| | - Liam Collins
- Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37830, United States
| | - Mahshid Ahmadi
- Department of Materials Science and Engineering, University of Tennessee, Knoxville, Tennessee 37996, United States
| | - Sergei V Kalinin
- Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37830, United States
| | - Olga S Ovchinnikova
- Computational Sciences and Engineering Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37830, United States
| | - Anton V Ievlev
- Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37830, United States
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30
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Seidu A, Dvorak M, Rinke P, Li J. Atomic and electronic structure of cesium lead triiodide surfaces. J Chem Phys 2021; 154:074712. [PMID: 33607880 DOI: 10.1063/5.0035448] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
The (001) surface of the emerging photovoltaic material cesium lead triiodide (CsPbI3) is studied. Using first-principles methods, we investigate the atomic and electronic structure of cubic (α) and orthorhombic (γ) CsPbI3. For both phases, we find that CsI-termination is more stable than PbI2-termination. For the CsI-terminated surface, we then compute and analyze the surface phase diagram. We observe that surfaces with added or removed units of nonpolar CsI and PbI2 are most stable. The corresponding band structures reveal that the α phase exhibits surface states that derive from the conduction band. The surface reconstructions do not introduce new states in the bandgap of CsPbI3, but for the α phase, we find additional surface states at the conduction band edge.
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Affiliation(s)
- Azimatu Seidu
- Department of Applied Physics, Aalto University, FI-00076 Aalto, Finland
| | - Marc Dvorak
- Department of Applied Physics, Aalto University, FI-00076 Aalto, Finland
| | - Patrick Rinke
- Department of Applied Physics, Aalto University, FI-00076 Aalto, Finland
| | - Jingrui Li
- Electronic Materials Research Laboratory, Key Laboratory of the Ministry of Education and International Center for Dielectric Research, School of Electronic Science and Engineering, Xi'an Jiaotong University, Xi'an 710049, China
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31
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Vasileiadou ES, Wang B, Spanopoulos I, Hadar I, Navrotsky A, Kanatzidis MG. Insight on the Stability of Thick Layers in 2D Ruddlesden–Popper and Dion–Jacobson Lead Iodide Perovskites. J Am Chem Soc 2021; 143:2523-2536. [DOI: 10.1021/jacs.0c11328] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Eugenia S. Vasileiadou
- Department of Chemistry, Northwestern University, Evanston, Illinois 60208, United States
| | - Bin Wang
- Peter A. Rock Thermochemistry Laboratory and NEAT ORU, University of California Davis, Davis, California 95616, United States
| | - Ioannis Spanopoulos
- Department of Chemistry, Northwestern University, Evanston, Illinois 60208, United States
| | - Ido Hadar
- Department of Chemistry, Northwestern University, Evanston, Illinois 60208, United States
| | - Alexandra Navrotsky
- Peter A. Rock Thermochemistry Laboratory and NEAT ORU, University of California Davis, Davis, California 95616, United States
- School of Molecular Sciences, School for Engineering of Matter, Transport and Energy, and Center for Materials of the Universe, Arizona State University, Tempe, Arizona 85287, United States
| | - Mercouri G. Kanatzidis
- Department of Chemistry, Northwestern University, Evanston, Illinois 60208, United States
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32
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Spanopoulos I, Ke W, Kanatzidis MG. In Quest of Environmentally Stable Perovskite Solar Cells: A Perspective. Helv Chim Acta 2020. [DOI: 10.1002/hlca.202000173] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Ioannis Spanopoulos
- Department of Chemistry Northwestern University Evanston 60208 IL, United States
| | - Weijun Ke
- Department of Chemistry Northwestern University Evanston 60208 IL, United States
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33
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McGovern L, Futscher MH, Muscarella LA, Ehrler B. Understanding the Stability of MAPbBr 3 versus MAPbI 3: Suppression of Methylammonium Migration and Reduction of Halide Migration. J Phys Chem Lett 2020; 11:7127-7132. [PMID: 32787314 PMCID: PMC7476026 DOI: 10.1021/acs.jpclett.0c01822] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Accepted: 08/07/2020] [Indexed: 05/31/2023]
Abstract
Solar cells based on metal halide perovskites often show excellent efficiency but poor stability. This degradation of perovskite devices has been associated with the migration of mobile ions. MAPbBr3 perovskite materials are significantly more stable under ambient conditions than MAPbI3 perovskite materials. In this work, we use transient ion drift to quantify the key characteristics of ion migration in MAPbBr3 perovskite solar cells. We then proceed to compare them with those of MAPbI3 perovskite solar cells. We find that in MAPbBr3, bromide migration is the main process at play and that contrary to the case of MAPbI3, there is no evidence for methylammonium migration. Quantitatively, we find a reduced activation energy, a reduced diffusion coefficient, and a reduced concentration for halide ions in MAPbBr3 compared to MAPbI3. Understanding this difference in mobile ion migration is a crucial step in understanding the enhanced stability of MAPbBr3 versus MAPbI3.
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34
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Shangguan Z, Zheng X, Zhang J, Lin W, Guo W, Li C, Wu T, Lin Y, Chen Z. The Stability of Metal Halide Perovskite Nanocrystals-A Key Issue for the Application on Quantum-Dot-Based Micro Light-Emitting Diodes Display. NANOMATERIALS (BASEL, SWITZERLAND) 2020; 10:E1375. [PMID: 32679801 PMCID: PMC7408616 DOI: 10.3390/nano10071375] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Revised: 07/04/2020] [Accepted: 07/09/2020] [Indexed: 12/24/2022]
Abstract
The metal halide perovskite nanocrystal (MHP-NC), an easy-to-fabricate and low cost fluorescent material, is recognized to be among the promising candidates of the color conversion material in the micro light-emitting diode (micro-LED) display, providing that the stability can be further enhanced. It is found that the water steam, oxygen, thermal radiation and light irradiation-four typical external factors in the ambient environment related to micro-LED display-can gradually alter and destroy the crystal lattice. Despite the similar phenomena of photoluminescence quenching, the respective encroaching processes related to these four factors are found to be different from one another. The encroaching mechanisms are collected and introduced in separate categories with respect to each external factor. Thereafter, a combined effect of these four factors in an environment mimicking real working conditions of micro-LED display are also introduced. Finally, recent progress on the full-color application of MHP-NC is also reviewed in brief.
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Affiliation(s)
| | | | | | | | | | - Cheng Li
- School of Electronic Science and Engineering, Xiamen University, Xiamen 361005, Fujian, China; (Z.S.); (X.Z.); (J.Z.); (W.L.); (W.G.); (Z.C.)
| | - Tingzhu Wu
- School of Electronic Science and Engineering, Xiamen University, Xiamen 361005, Fujian, China; (Z.S.); (X.Z.); (J.Z.); (W.L.); (W.G.); (Z.C.)
| | - Yue Lin
- School of Electronic Science and Engineering, Xiamen University, Xiamen 361005, Fujian, China; (Z.S.); (X.Z.); (J.Z.); (W.L.); (W.G.); (Z.C.)
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35
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Zhang S, Han G. Intrinsic and environmental stability issues of perovskite photovoltaics. ACTA ACUST UNITED AC 2020. [DOI: 10.1088/2516-1083/ab70d9] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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36
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Valastro S, Smecca E, Sanzaro S, Deretzis I, La Magna A, Numata Y, Jena AK, Miyasaka T, Gagliano A, Alberti A. Full Efficiency Recovery in Hole-Transporting Layer-Free Perovskite Solar Cells With Free-Standing Dry-Carbon Top-Contacts. Front Chem 2020; 8:200. [PMID: 32373574 PMCID: PMC7182654 DOI: 10.3389/fchem.2020.00200] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2019] [Accepted: 03/04/2020] [Indexed: 11/24/2022] Open
Abstract
Carbon-based top electrodes for hole-transporting-layer-free perovskite solar cells (PSCs) were made by hot press (HP) transfer of a free-standing carbon-aluminum foil at 100°C and at a pressure of 0.1 MPa on a methylammonium lead iodide (MAPbI3) layer. Under these conditions, the perovskite surface was preserved from interaction with the solvent. Over a timescale of 90 days, HP-PSCs were systematically compared to reference cells with carbon-based top electrodes deposited by doctor blading (DB). We found that all the photovoltaic parameters recorded in HP-PSCs during time under ambient conditions settled on values systematically higher than those measured in the reference DB-PSCs, with efficiency stabilized at around 6% within the first few measurements. On the other hand, in DB-PSCs, a long-lasting (~14 days) degrading transient of the performances was observed, with a loss of efficiency from an initial ~8% to ~3%. Moreover, in HP-PSCs, a systematic day-by-day recovery of the efficiency after operation was observed (Δ~2%) by leaving the cell under open circuit, a nitrogen environment, and dark conditions. Noteworthily, a full recovery of all the parameters was observed at the end of the experiment, while DB-PSCs showed only a partial recovery under the same conditions. Hence, the complete release of solvent from the carbon contact, before an interface is established with the perovskite layer, offers a definite advantage through the long period of operation in preventing irreversible degradation. Our findings indeed highlight the crucial role of the interfaces and their feasible preservation under nitrogen atmosphere.
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Affiliation(s)
- Salvatore Valastro
- CNR-IMM, Catania, Italy.,Department of Electrical, Electronic and Computer Engineering, University of Catania, Catania, Italy
| | | | | | | | | | - Youhei Numata
- Graduate School of Engineering and Faculty of Medical Engineering, Toin University of Yokohama, Yokohama, Japan
| | - Ajay Kumar Jena
- Graduate School of Engineering and Faculty of Medical Engineering, Toin University of Yokohama, Yokohama, Japan
| | - Tsutomu Miyasaka
- Graduate School of Engineering and Faculty of Medical Engineering, Toin University of Yokohama, Yokohama, Japan
| | - Antonio Gagliano
- Department of Electrical, Electronic and Computer Engineering, University of Catania, Catania, Italy
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37
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Zhizhchenko AY, Tonkaev P, Gets D, Larin A, Zuev D, Starikov S, Pustovalov EV, Zakharenko AM, Kulinich SA, Juodkazis S, Kuchmizhak AA, Makarov SV. Light-Emitting Nanophotonic Designs Enabled by Ultrafast Laser Processing of Halide Perovskites. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2020; 16:e2000410. [PMID: 32309903 DOI: 10.1002/smll.202000410] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/20/2020] [Revised: 03/16/2020] [Accepted: 03/17/2020] [Indexed: 06/11/2023]
Abstract
Nanophotonics based on resonant nanostructures and metasurfaces made of halide perovskites have become a prospective direction for efficient light manipulation at the subwavelength scale in advanced photonic designs. One of the main challenges in this field is the lack of large-scale low-cost technique for subwavelength perovskite structures fabrication preserving highly efficient luminescence. Here, unique properties of halide perovskites addressed to their extremely low thermal conductivity (lower than that of silica glass) and high defect tolerance to apply projection femtosecond laser lithography for nanofabrication with precise spatial control in all three dimensions preserving the material luminescence efficiency are employed. Namely, with CH3 NH3 PbI3 perovskite highly ordered nanoholes and nanostripes of width as small as 250 nm, metasurfaces with periods less than 400 nm, and nanowire lasers as thin as 500 nm, corresponding to the state-of-the-art in multistage expensive lithographical methods are created. Remarkable performance of the developed approach allows to demonstrate a number of advanced optical applications, including morphology-controlled photoluminescence yield, structural coloring, optical- information encryption, and lasing.
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Affiliation(s)
- Alexey Y Zhizhchenko
- Institute of Automation and Control Processes (IACP), Far Eastern Branch of Russian Academy of Sciences, Vladivostok, 690091, Russia
| | | | - Dmitry Gets
- ITMO University, St. Petersburg, 197101, Russia
| | - Artem Larin
- ITMO University, St. Petersburg, 197101, Russia
| | - Dmitry Zuev
- ITMO University, St. Petersburg, 197101, Russia
| | - Sergey Starikov
- Ruhr-Universität Bochum, Bochum, 44701, Germany
- Joint Institute for High Temperatures of RAS, Moscow, 125412, Russia
| | | | | | - Sergei A Kulinich
- Far Eastern Federal University, Vladivostok, 690041, Russia
- Research Institute of Science and Technology, Tokai University, Hiratsuka, Kanagawa, 259-1292, Japan
| | | | - Aleksandr A Kuchmizhak
- Institute of Automation and Control Processes (IACP), Far Eastern Branch of Russian Academy of Sciences, Vladivostok, 690091, Russia
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38
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Senanayak SP, Abdi-Jalebi M, Kamboj VS, Carey R, Shivanna R, Tian T, Schweicher G, Wang J, Giesbrecht N, Di Nuzzo D, Beere HE, Docampo P, Ritchie DA, Fairen-Jimenez D, Friend RH, Sirringhaus H. A general approach for hysteresis-free, operationally stable metal halide perovskite field-effect transistors. SCIENCE ADVANCES 2020; 6:eaaz4948. [PMID: 32300658 PMCID: PMC7148112 DOI: 10.1126/sciadv.aaz4948] [Citation(s) in RCA: 58] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2019] [Accepted: 01/13/2020] [Indexed: 05/25/2023]
Abstract
Despite sustained research, application of lead halide perovskites in field-effect transistors (FETs) has substantial concerns in terms of operational instabilities and hysteresis effects which are linked to its ionic nature. Here, we investigate the mechanism behind these instabilities and demonstrate an effective route to suppress them to realize high-performance perovskite FETs with low hysteresis, high threshold voltage stability (ΔVt < 2 V over 10 hours of continuous operation), and high mobility values >1 cm2/V·s at room temperature. We show that multiple cation incorporation using strain-relieving cations like Cs and cations such as Rb, which act as passivation/crystallization modifying agents, is an effective strategy for reducing vacancy concentration and ion migration in perovskite FETs. Furthermore, we demonstrate that treatment of perovskite films with positive azeotrope solvents that act as Lewis bases (acids) enables a further reduction in defect density and substantial improvement in performance and stability of n-type (p-type) perovskite devices.
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Affiliation(s)
- Satyaprasad P. Senanayak
- Cavendish Laboratory, University of Cambridge, JJ Thomson Avenue, Cambridge CB3 0HE, UK
- CSIR- Institute of Minerals and Materials Technology Council of Scientific & Industrial Research, Bhubaneswar–751 013, Odisha, India
| | - Mojtaba Abdi-Jalebi
- Cavendish Laboratory, University of Cambridge, JJ Thomson Avenue, Cambridge CB3 0HE, UK
- Institute for Materials Discovery, University College London, Torrington Place, London WC1E 7JE, UK
| | - Varun S. Kamboj
- Cavendish Laboratory, University of Cambridge, JJ Thomson Avenue, Cambridge CB3 0HE, UK
| | - Remington Carey
- Cavendish Laboratory, University of Cambridge, JJ Thomson Avenue, Cambridge CB3 0HE, UK
| | - Ravichandran Shivanna
- Cavendish Laboratory, University of Cambridge, JJ Thomson Avenue, Cambridge CB3 0HE, UK
| | - Tian Tian
- Adsorption and Advanced Materials (AAM) Laboratory, Department of Chemical Engineering and Biotechnology, University of Cambridge, Philippa Fawcett Drive, Cambridge CB3 0AS, UK
- Department of Chemical Engineering, Imperial College London, South Kensington Campus, London SW7 2AZ, UK
| | - Guillaume Schweicher
- Cavendish Laboratory, University of Cambridge, JJ Thomson Avenue, Cambridge CB3 0HE, UK
| | - Junzhan Wang
- Cavendish Laboratory, University of Cambridge, JJ Thomson Avenue, Cambridge CB3 0HE, UK
| | - Nadja Giesbrecht
- Department Chemie, Ludwig-Maximilians-Universität-München, Butenandtstr, München, Germany
| | - Daniele Di Nuzzo
- Cavendish Laboratory, University of Cambridge, JJ Thomson Avenue, Cambridge CB3 0HE, UK
| | - Harvey E. Beere
- Cavendish Laboratory, University of Cambridge, JJ Thomson Avenue, Cambridge CB3 0HE, UK
| | - Pablo Docampo
- Department Chemie, Ludwig-Maximilians-Universität-München, Butenandtstr, München, Germany
- School of Mathematics, Statistics and Physics, Newcastle University, Herschel Building, Newcastle upon Tyne NE1 7RU, UK
| | - David A. Ritchie
- Cavendish Laboratory, University of Cambridge, JJ Thomson Avenue, Cambridge CB3 0HE, UK
- Department of Physics, Swansea University, Sketty, Swansea SA2 8PQ, UK
| | - David Fairen-Jimenez
- Adsorption and Advanced Materials (AAM) Laboratory, Department of Chemical Engineering and Biotechnology, University of Cambridge, Philippa Fawcett Drive, Cambridge CB3 0AS, UK
| | - Richard H. Friend
- Cavendish Laboratory, University of Cambridge, JJ Thomson Avenue, Cambridge CB3 0HE, UK
| | - Henning Sirringhaus
- Cavendish Laboratory, University of Cambridge, JJ Thomson Avenue, Cambridge CB3 0HE, UK
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Paschal C, Pogrebnoi A, Pogrebnaya T, Seriani N. Methylammonium tin iodide perovskite: structural, electronic and thermodynamic properties by a DFT study with different exchange–correlation functionals. SN APPLIED SCIENCES 2020. [DOI: 10.1007/s42452-020-2549-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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40
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Opal-Like Photonic Structuring of Perovskite Solar Cells Using a Genetic Algorithm Approach. APPLIED SCIENCES-BASEL 2020. [DOI: 10.3390/app10051783] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Light management is an important area of photovoltaic research, but little is known about it in perovskite solar cells. The present work numerically studies the positive effect of structuring the photo-active layer of perovskite material. This structuration consists of a hybrid absorbing layer made of an uniform part and an opal-like part. A genetic algorithm approach allows us to determine the optimal combination among more than 1.4 × 10 9 potential combinations. The optimal combination provides an internal quantum efficiency of 98.1%, nearly 2% higher than for an equivalent unstructured photo-active layer. The robustness of the optimum against potential experimental deviations, as well as the angular dependency of the proposed structure, are examined in the present study.
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41
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Svanström S, Jacobsson TJ, Boschloo G, Johansson EMJ, Rensmo H, Cappel UB. Degradation Mechanism of Silver Metal Deposited on Lead Halide Perovskites. ACS APPLIED MATERIALS & INTERFACES 2020; 12:7212-7221. [PMID: 31958007 DOI: 10.1021/acsami.9b20315] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Lead halide perovskite solar cells have significantly increased in both efficiency and stability over the last decade. An important aspect of their long-term stability is the reaction between the perovskite and other materials in the solar cell. This includes the contact materials and their degradation if they can potentially come into contact through, e.g., pinholes or material diffusion and migration. Here, we explore the interactions of silver contacts with lead halide perovskites of different compositions by using a model system where thermally evaporated silver was deposited directly on the surface of the perovskites. Using X-ray photoelectron spectroscopy with support from scanning electron microscopy, X-ray diffraction, and UV-visible absorption spectroscopy, we studied the film formation and degradation of silver on perovskites with different compositions. The deposited silver does not form a continuous silver film but instead tends to form particles on a bare perovskite surface. These particles are initially metallic in character but degrade into AgI and AgBr over time. The degradation and migration appear unaffected by the replacement of methylammonium with cesium but are significantly slowed down by the complete replacement of iodide with bromide. The direct contact between silver and the perovskite also significantly accelerates the degradation of the perovskite, with a significant loss of organic cations and the possible formation of PbO, and, at the same time, changed the surface morphology of the iodide-rich perovskite interface. Our results further indicate that an important degradation pathway occurred through gas-phase perovskite degradation products. This highlights the importance of control over the interface materials and the use of completely hermetical barrier layers for the long-term stability and therefore the commercial viability of silver electrodes.
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Affiliation(s)
- Sebastian Svanström
- Department of Physics and Astronomy , Uppsala University , Box 516, SE-75121 Uppsala , Sweden
| | - T Jesper Jacobsson
- Department of Chemistry , Uppsala University , Box 538, 75121 Uppsala , Sweden
| | - Gerrit Boschloo
- Department of Chemistry , Uppsala University , Box 538, 75121 Uppsala , Sweden
| | - Erik M J Johansson
- Department of Chemistry , Uppsala University , Box 538, 75121 Uppsala , Sweden
| | - Håkan Rensmo
- Department of Physics and Astronomy , Uppsala University , Box 516, SE-75121 Uppsala , Sweden
| | - Ute B Cappel
- Division of Applied Physical Chemistry, Department of Chemistry , KTH-Royal Institute of Technology , SE-100 44 Stockholm , Sweden
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Abstract
Organic–inorganic hybrid perovskite is a leading successor for the next generation of (opto)electronics.
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Affiliation(s)
- Joohoon Kang
- School of Advanced Materials Science and Engineering
- Sungkyunkwan University (SKKU)
- Suwon 16419
- Republic of Korea
| | - Jeong Ho Cho
- Department of Chemical and Biomolecular Engineering
- Yonsei University
- Seoul 03722
- Republic of Korea
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43
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Latini A, Quaranta S, Menchini F, Lisi N, Di Girolamo D, Tarquini O, Colapietro M, Barba L, Demitri N, Cassetta A. A novel water-resistant and thermally stable black lead halide perovskite, phenyl viologen lead iodide C 22H 18N 2(PbI 3) 2. Dalton Trans 2020; 49:2616-2627. [PMID: 32039432 DOI: 10.1039/c9dt04148f] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
A novel black organoammonium iodoplumbate semiconductor, namely phenyl viologen lead iodide C22H18N2(PbI3)2 (PhVPI), was successfully synthesized and characterized. This material showed physical and chemical properties suitable for photovoltaic applications. Indeed, low direct allowed band gap energy (Eg = 1.32 eV) and high thermal stability (up to at least 300 °C) compared to methylammonium lead iodide CH3NH3PbI3 (MAPI, Eg = 1.5 eV) render PhVPI potentially attractive for solar cell fabrication. The compound was extensively characterized by means of X-ray diffraction (performed on both powder and single crystals), UV-Vis diffuse reflectance spectroscopy (UV-Vis DRS), UV-photoelectron spectroscopy (UPS), FT-IR spectroscopy, TG-DTA, and CHNS analysis. Reactivity towards water was monitored through X-ray powder diffraction carried out after prolonged immersion of the material in water at room temperature. Unlike its methyl ammonium counterpart, PhVPI proved to be unaffected by water exposure. The lack of reactivity towards water is to be attributed to the quaternary nature of the nitrogen atoms of the phenyl viologen units that prevents the formation of acid-base equilibria when in contact with water. On the other hand, PhVPI's thermal stability was evaluated by temperature-controlled powder XRD measurements following an hour-long isothermal treatment at 250 and 300 °C. In both cases no signs of decomposition could be detected. However, the compound melted incongruently at 332 °C producing, upon cooling, a mostly amorphous material. PhVPI was found to be slightly soluble in DMF (∼5 mM) and highly soluble in DMSO. Nevertheless, its solubility in DMF can be dramatically increased by adding an equimolar amount of DMSO. Therefore, phenyl viologen lead iodide can be amenable for the fabrication of solar devices by spin coating as actually done for MAPI-based cells. The crystal structure, determined by means of single crystal X-ray diffraction using synchrotron radiation, turned out to be triclinic and consequently differs from the prototypal perovskite structure. In fact, it comprises infinite double chains of corner-sharing PbI6 octahedra along the a-axis direction with phenyl viologen cations positioned between the columns. Finally, the present determination of PhVPI's electronic band structure achieved through UPS and UV-Vis DRS is instrumental in using the material for solar cells.
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Affiliation(s)
- Alessandro Latini
- Dipartimento di Chimica, Sapienza Università di Roma, Piazzale Aldo Moro 5, 00185 Roma, Italy.
| | - Simone Quaranta
- Dipartimento di Ingegneria dell'Informazione, Elettronica e Telecomunicazioni, Sapienza Università di Roma, Via Eudossiana, 18, 00184 Roma, Italy
| | - Francesca Menchini
- ENEA - Energy Technologies Department, Via Anguillarese, 301, 00123 Roma, Italy
| | - Nicola Lisi
- ENEA - Energy Technologies Department, Via Anguillarese, 301, 00123 Roma, Italy
| | - Diego Di Girolamo
- Dipartimento di Chimica, Sapienza Università di Roma, Piazzale Aldo Moro 5, 00185 Roma, Italy.
| | - Ombretta Tarquini
- Consiglio Nazionale delle Ricerche - Istituto di Cristallografia, Via Salaria km 29, 300, 00015 Monterotondo Scalo, Roma, Italy
| | - Marcello Colapietro
- Consiglio Nazionale delle Ricerche - Istituto di Cristallografia, Via Salaria km 29, 300, 00015 Monterotondo Scalo, Roma, Italy
| | - Luisa Barba
- Consiglio Nazionale delle Ricerche - Istituto di Cristallografia, Sede Secondaria di Trieste, Area Science Park - Basovizza, Strada Statale 14, km 163.5, 34149 Trieste, Italy
| | - Nicola Demitri
- Elettra-Sincrotrone Trieste, Area Science Park - Basovizza, Strada Statale 14, km 163.5, 34149 Trieste, Italy
| | - Alberto Cassetta
- Consiglio Nazionale delle Ricerche - Istituto di Cristallografia, Sede Secondaria di Trieste, Area Science Park - Basovizza, Strada Statale 14, km 163.5, 34149 Trieste, Italy
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Ciccioli A, Panetta R, Luongo A, Brunetti B, Vecchio Ciprioti S, Mele ML, Latini A. Stabilizing lead halide perovskites with quaternary ammonium cations: the case of tetramethylammonium lead iodide. Phys Chem Chem Phys 2019; 21:24768-24777. [PMID: 31686067 DOI: 10.1039/c9cp04051j] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Organoammonium lead halide perovskites, especially methylammonium lead iodide CH3NH3PbI3, are promising photovoltaic materials, but they are far from commercial applications due in particular to their thermal instability and moisture sensitivity. Here, we present a multitechnique study aimed at investigating the kinetic and thermodynamic stability of the simplest quaternary ammonium lead iodide, tetramethylammonium lead iodide N(CH3)4PbI3. The kinetics of thermal decomposition was studied by X-ray powder diffraction of samples treated in air at different temperatures combined with Rietveld quantitative phase analysis, and by the isoconversional analysis of differential thermal analysis measurements. Evidence for first order kinetics was obtained, with an activation energy of 280-290 kJ mol-1, suggesting that the breaking of the C-N bond is the rate determining step. The composition of the gas phase released under heating was investigated by Knudsen Effusion Mass Spectrometry, giving evidence for the occurrence of the process N(CH3)4PbI3(s) = PbI2(s) + N(CH3)3(g) + CH3I(g), consistent with the kinetic results. Decomposition pressures and thermodynamic properties were derived by Knudsen effusion mass loss experiments, obtaining values of 391.5 ± 2.0 kJ mol-1 and -577.4 ± 4.0 kJ mol-1 for the decomposition and formation enthalpies at 298 K, respectively. The reactivity towards water of N(CH3)4PbI3 was checked by XRD after total and prolonged immersion in water at room temperature. Overall, N(CH3)4PbI3 was found to be thermally much more stable than CH3NH3PbI3, both kinetically and thermodynamically, and much less prone to water-induced degradation, suggesting that the use of a quaternary ammonium cation may be an effective strategy in order to produce more stable materials.
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Affiliation(s)
- Andrea Ciccioli
- Dipartimento di Chimica, Sapienza Università di Roma, Piazzale Aldo Moro 5, 00185 Roma, Italy.
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Bisquert J, Juarez-Perez EJ. The Causes of Degradation of Perovskite Solar Cells. J Phys Chem Lett 2019; 10:5889-5891. [PMID: 31536358 DOI: 10.1021/acs.jpclett.9b00613] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Affiliation(s)
- Juan Bisquert
- Institute of Advanced Materials (INAM) , Universitat Jaume I , 12006 Castelló , Spain
| | - Emilio J Juarez-Perez
- ARAID Foundation, Institute of Nanoscience of Aragon (INA) , University of Zaragoza , 50018 Zaragoza , Spain
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Sanzaro S, Zontone F, Grosso D, Bottein T, Neri F, Smecca E, Mannino G, Bongiorno C, Spinella C, La Magna A, Alberti A. Bimodal Porosity and Stability of a TiO 2 Gig-Lox Sponge Infiltrated with Methyl-Ammonium Lead Iodide Perovskite. NANOMATERIALS (BASEL, SWITZERLAND) 2019; 9:E1300. [PMID: 31514348 PMCID: PMC6781015 DOI: 10.3390/nano9091300] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/02/2019] [Revised: 08/31/2019] [Accepted: 09/06/2019] [Indexed: 02/05/2023]
Abstract
We created a blend between a TiO2 sponge with bimodal porosity and a Methyl-Ammonium Lead Iodide (MAPbI3) perovskite. The interpenetration of the two materials is effective thanks to the peculiar sponge structure. During the early stages of the growth of the TiO2 sponge, the formation of 5-10 nm-large TiO2 auto-seeds is observed which set the micro-porosity (<5 nm) of the layer, maintained during further growth. In a second stage, the auto-seeds aggregate into hundreds-of-nm-large meso-structures by their mutual shadowing of the grazing Ti flux for local oxidation. This process generates meso-pores (10-100 nm) treading across the growing layer, as accessed by tomographic synchrotron radiation coherent X-ray imaging and environmental ellipsometric porosimetry. The distributions of pore size are extracted before (>47% V) and after MAPbI3 loading, and after blend ageing, unfolding a starting pore filling above 80% in volume. The degradation of the perovskite in the blend follows a standard path towards PbI2 accompanied by the concomitant release of volatile species, with an activation energy of 0.87 eV under humid air. The use of dry nitrogen as environmental condition has a positive impact in increasing this energy by ~0.1 eV that extends the half-life of the material to 7 months under continuous operation at 60 °C.
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Affiliation(s)
- Salvatore Sanzaro
- National Research Council-Institute for Microelectronics and Microsystems (CNR-IMM), Zona Industriale-Strada VIII n°5, 95121 Catania, Italy.
- Department of Mathematical and Computational Sciences, Physics and Earth Sciences, University of Messina, Viale F. Stagno d'Alcontres 31, 98166 Messina, Italy.
| | - Federico Zontone
- ESRF, The European Synchrotron, CS40220, 38043 Grenoble CEDEX 9, France.
| | - David Grosso
- Institut Matériaux Microélectronique Nanosciences de Provence (IM2NP) Aix-Marseille Université, 13397 Marseille CEDEX 20, France.
| | - Thomas Bottein
- Institut Matériaux Microélectronique Nanosciences de Provence (IM2NP) Aix-Marseille Université, 13397 Marseille CEDEX 20, France.
| | - Fortunato Neri
- Department of Mathematical and Computational Sciences, Physics and Earth Sciences, University of Messina, Viale F. Stagno d'Alcontres 31, 98166 Messina, Italy.
| | - Emanuele Smecca
- National Research Council-Institute for Microelectronics and Microsystems (CNR-IMM), Zona Industriale-Strada VIII n°5, 95121 Catania, Italy.
| | - Giovanni Mannino
- National Research Council-Institute for Microelectronics and Microsystems (CNR-IMM), Zona Industriale-Strada VIII n°5, 95121 Catania, Italy.
| | - Corrado Bongiorno
- National Research Council-Institute for Microelectronics and Microsystems (CNR-IMM), Zona Industriale-Strada VIII n°5, 95121 Catania, Italy.
| | - Corrado Spinella
- National Research Council-Institute for Microelectronics and Microsystems (CNR-IMM), Zona Industriale-Strada VIII n°5, 95121 Catania, Italy.
| | - Antonino La Magna
- National Research Council-Institute for Microelectronics and Microsystems (CNR-IMM), Zona Industriale-Strada VIII n°5, 95121 Catania, Italy.
| | - Alessandra Alberti
- National Research Council-Institute for Microelectronics and Microsystems (CNR-IMM), Zona Industriale-Strada VIII n°5, 95121 Catania, Italy.
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47
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Multiscale modeling of active layer of hybrid organic-inorganic solar cells for photovoltaic applications by means of density functional theory and integral equation theory of molecular liquids. J Mol Liq 2019. [DOI: 10.1016/j.molliq.2019.110997] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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48
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Stability of Hybrid Organic-Inorganic Perovskite CH 3NH 3PbBr 3 Nanocrystals under Co-Stresses of UV Light Illumination and Temperature. NANOMATERIALS 2019; 9:nano9081158. [PMID: 31412580 PMCID: PMC6724138 DOI: 10.3390/nano9081158] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/19/2019] [Revised: 08/07/2019] [Accepted: 08/09/2019] [Indexed: 11/16/2022]
Abstract
Hybrid organic–inorganic metal halide perovskite nanocrystals (NCs) are among the candidates for color conversion materials in displays, especially in NC-based micro-light-emitting diode (micro-LED) displays. However, these NCs are still lacking long-term stability, which has hindered their large-scale applications. We mimic the working conditions, which include ultraviolet light illumination at 323 K and three different types of atmosphere (N2, vacuum, and air), respectively, to investigate the stability of CH3NH3PbBr3 NCs embedded in the polyvinylidene fluoride matrix. X-ray diffraction results indicate the generation of NH4Pb2Br5, which is produced from the encapsulated CH3NH3PbBr3 NCs in all three atmospheres, and the decomposition generates a large amount of accompanying interface defects at the surface area of NCs, resulting in the significant decrease of the photoluminescence (PL) intensity. This work highlights the stability-related mechanism of CH3NH3PbBr3 NCs under combined external stresses that mimic operating conditions. In addition, this work also suggests a new method for conducting aging tests and contributes to developing effective routes towards higher stability of perovskite NCs.
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Alberti A, Bongiorno C, Smecca E, Deretzis I, La Magna A, Spinella C. Pb clustering and PbI 2 nanofragmentation during methylammonium lead iodide perovskite degradation. Nat Commun 2019; 10:2196. [PMID: 31097719 PMCID: PMC6522562 DOI: 10.1038/s41467-019-09909-0] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2018] [Accepted: 04/01/2019] [Indexed: 11/09/2022] Open
Abstract
Studying defect formation and evolution in MethylAmmonium lead Iodide (MAPbI3) perovskite layers has a bottleneck in the softness of the matter and in its consequent sensitivity to external solicitations. Here we report that, in a polycrystalline MAPbI3 layer, Pb-related defects aggregate into nanoclusters preferentially at the triple grain boundaries as unveiled by Transmission Electron Microscopy (TEM) analyses at low total electron dose. Pb-clusters are killer against MAPbI3 integrity since they progressively feed up the hosting matrix. This progression is limited by the concomitant but slower transformation of the MAPbI3 core to fragmented and interconnected nano-grains of 6H-PbI2 that are structurally linked to the mother grain as in strain-relaxed heteroepitaxial coupling. The phenomenon occurs more frequently under TEM degradation whilst air degradation is more prone to leave uncorrelated [001]-oriented 2H-PbI2 grains as statistically found by X-Ray Diffraction. This path is kinetically costlier but thermodynamically favoured and is easily activated by catalytic species. Methylammonium lead halide perovskites have great potential for optoelectronic applications but are prone to degradation. Here the authors show that degradation can occur through clustering of Pb containing defects at the grain boundaries while concurrent formation of PbI2 blocks further reactions, suggesting a strategy for passivation.
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Affiliation(s)
| | | | - Emanuele Smecca
- CNR-IMM, Zona Industriale Strada VIII n°5, 95121, Catania, Italy
| | - Ioannis Deretzis
- CNR-IMM, Zona Industriale Strada VIII n°5, 95121, Catania, Italy
| | | | - Corrado Spinella
- CNR-IMM, Zona Industriale Strada VIII n°5, 95121, Catania, Italy
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50
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Walker B, Kim GH, Kim JY. Pseudohalides in Lead-Based Perovskite Semiconductors. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2019; 31:e1807029. [PMID: 30701604 DOI: 10.1002/adma.201807029] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2018] [Revised: 11/30/2018] [Indexed: 06/09/2023]
Abstract
The emerging class of lead halide perovskite (LHP) semiconductors offers a surprising combination of low cost, ease of preparation, outstanding material properties, and performance in optoelectronic devices that has not yet been observed in any other class of material. Considering their general ABX3 formula, the halide (X) composition in LHP compositions has proven to be one of the best handles to control the material characteristics such as bandgap, morphology, and electronic properties. However, compared to the amount of effort that has been expended to discover new A cations and B cations, relatively few reports have dealt with the subject of discovering new X anions outside of the series of halides (Cl- , Br- , I- ). In principal, a much wider range of anions with a -1 charge (pseudohalides) may form the ABX3 stoichiometry with Pb2+ , yet the general ability of polyatomic pseudohalides to form semiconducting perovskite crystal phases with Pb2+ remains an open question. Herein, the prospect of using polyatomic pseudohalide anions in LHP semiconductors is addressed.
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Affiliation(s)
- Bright Walker
- Department of Chemistry, Kyung Hee University, Seoul, 02447, South Korea
| | - Gi-Hwan Kim
- Photonic Energy Research Center, Korea Photonics Technology Institute, 108, Cheomdan venture-ro, Buk-gu, Gwangju, 500-779, South Korea
| | - Jin Young Kim
- Department of Energy Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, South Korea
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