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Cao R, Sun K, Liu C, Mao Y, Guo W, Ouyang P, Meng Y, Tian R, Xie L, Lü X, Ge Z. Structurally Flexible 2D Spacer for Suppressing the Electron-Phonon Coupling Induced Non-Radiative Decay in Perovskite Solar Cells. Nanomicro Lett 2024; 16:178. [PMID: 38656466 PMCID: PMC11043286 DOI: 10.1007/s40820-024-01401-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Accepted: 03/15/2024] [Indexed: 04/26/2024]
Abstract
This study presents experimental evidence of the dependence of non-radiative recombination processes on the electron-phonon coupling of perovskite in perovskite solar cells (PSCs). Via A-site cation engineering, a weaker electron-phonon coupling in perovskite has been achieved by introducing the structurally soft cyclohexane methylamine (CMA+) cation, which could serve as a damper to alleviate the mechanical stress caused by lattice oscillations, compared to the rigid phenethyl methylamine (PEA+) analog. It demonstrates a significantly lower non-radiative recombination rate, even though the two types of bulky cations have similar chemical passivation effects on perovskite, which might be explained by the suppressed carrier capture process and improved lattice geometry relaxation. The resulting PSCs achieve an exceptional power conversion efficiency (PCE) of 25.5% with a record-high open-circuit voltage (VOC) of 1.20 V for narrow bandgap perovskite (FAPbI3). The established correlations between electron-phonon coupling and non-radiative decay provide design and screening criteria for more effective passivators for highly efficient PSCs approaching the Shockley-Queisser limit.
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Affiliation(s)
- Ruikun Cao
- Zhejiang Provincial Engineering Research Center of Energy Optoelectronic Materials and Devices, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, People's Republic of China
- School of Materials Science and Chemical Engineering, Ningbo University, Ningbo, 315211, People's Republic of China
| | - Kexuan Sun
- Zhejiang Provincial Engineering Research Center of Energy Optoelectronic Materials and Devices, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, People's Republic of China
| | - Chang Liu
- Zhejiang Provincial Engineering Research Center of Energy Optoelectronic Materials and Devices, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, People's Republic of China.
| | - Yuhong Mao
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai, 201203, People's Republic of China
| | - Wei Guo
- Zhejiang Provincial Engineering Research Center of Energy Optoelectronic Materials and Devices, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, People's Republic of China
| | - Ping Ouyang
- Zhejiang Provincial Engineering Research Center of Energy Optoelectronic Materials and Devices, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, People's Republic of China
| | - Yuanyuan Meng
- Zhejiang Provincial Engineering Research Center of Energy Optoelectronic Materials and Devices, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, People's Republic of China
| | - Ruijia Tian
- Zhejiang Provincial Engineering Research Center of Energy Optoelectronic Materials and Devices, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, People's Republic of China
| | - Lisha Xie
- Zhejiang Provincial Engineering Research Center of Energy Optoelectronic Materials and Devices, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, People's Republic of China
| | - Xujie Lü
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai, 201203, People's Republic of China
| | - Ziyi Ge
- Zhejiang Provincial Engineering Research Center of Energy Optoelectronic Materials and Devices, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, People's Republic of China.
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, People's Republic of China.
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2
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Hong H, Guo S, Jin L, Mao Y, Chen Y, Gu J, Chen S, Huang X, Guan Y, Li X, Li Y, Lü X, Fu Y. Two-dimensional lead halide perovskite lateral homojunctions enabled by phase pinning. Nat Commun 2024; 15:3164. [PMID: 38605026 PMCID: PMC11009245 DOI: 10.1038/s41467-024-47406-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Accepted: 04/01/2024] [Indexed: 04/13/2024] Open
Abstract
Two-dimensional organic-inorganic hybrid halide perovskites possess diverse structural polymorphs with versatile physical properties, which can be controlled by order-disorder transition of the spacer cation, making them attractive for constructing semiconductor homojunctions. Here, we demonstrate a space-cation-dopant-induced phase stabilization approach to creating a lateral homojunction composed of ordered and disordered phases within a two-dimensional perovskite. By doping a small quantity of pentylammonium into (butylammonium)2PbI4 or vice versa, we effectively suppress the ordering transition of the spacer cation and the associated out-of-plane octahedral tilting in the inorganic framework, resulting in phase pining of the disordered phase when decreasing temperature or increasing pressure. This enables epitaxial growth of a two-dimensional perovskite homojunction with tunable optical properties under temperature and pressure stimuli, as well as directional exciton diffusion across the interface. Our results demonstrate a previously unexplored strategy for constructing two-dimensional perovskite heterostructures by thermodynamic tuning and spacer cation doping.
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Affiliation(s)
- Huilong Hong
- Beijing National Laboratory for Molecular Science, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China
| | - Songhao Guo
- Center for High Pressure Science and Technology Advanced Research, Shanghai, 201203, China
| | - Leyang Jin
- Beijing National Laboratory for Molecular Science, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China
| | - Yuhong Mao
- Center for High Pressure Science and Technology Advanced Research, Shanghai, 201203, China
| | - Yuguang Chen
- Beijing National Laboratory for Molecular Science, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China
| | - Jiazhen Gu
- Beijing National Laboratory for Molecular Science, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China
| | - Shaochuang Chen
- Beijing National Laboratory for Molecular Science, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China
| | - Xu Huang
- Beijing National Laboratory for Molecular Science, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China
| | - Yan Guan
- Beijing National Laboratory for Molecular Science, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China
| | - Xiaotong Li
- Department of Chemistry & Organic and Carbon Electronics Laboratories, North Carolina State University, Raleigh, NC, 27695, USA
| | - Yan Li
- Beijing National Laboratory for Molecular Science, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China
| | - Xujie Lü
- Center for High Pressure Science and Technology Advanced Research, Shanghai, 201203, China.
| | - Yongping Fu
- Beijing National Laboratory for Molecular Science, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China.
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3
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Guo S, Mihalyi-Koch W, Mao Y, Li X, Bu K, Hong H, Hautzinger MP, Luo H, Wang D, Gu J, Zhang Y, Zhang D, Hu Q, Ding Y, Yang W, Fu Y, Jin S, Lü X. Exciton engineering of 2D Ruddlesden-Popper perovskites by synergistically tuning the intra and interlayer structures. Nat Commun 2024; 15:3001. [PMID: 38589388 PMCID: PMC11001939 DOI: 10.1038/s41467-024-47225-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2023] [Accepted: 03/25/2024] [Indexed: 04/10/2024] Open
Abstract
Designing two-dimensional halide perovskites for high-performance optoelectronic applications requires deep understanding of the structure-property relationship that governs their excitonic behaviors. However, a design framework that considers both intra and interlayer structures modified by the A-site and spacer cations, respectively, has not been developed. Here, we use pressure to synergistically tune the intra and interlayer structures and uncover the structural modulations that result in improved optoelectronic performance. Under applied pressure, (BA)2(GA)Pb2I7 exhibits a 72-fold boost of photoluminescence and 10-fold increase of photoconductivity. Based on the observed structural change, we introduce a structural descriptor χ that describes both the intra and interlayer characteristics and establish a general quantitative relationship between χ and photoluminescence quantum yield: smaller χ correlates with minimized trapped excitons and more efficient emission from free excitons. Building on this principle, we design a perovskite (CMA)2(FA)Pb2I7 that exhibits a small χ and an impressive photoluminescence quantum yield of 59.3%.
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Affiliation(s)
- Songhao Guo
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai, China
| | - Willa Mihalyi-Koch
- Department of Chemistry, University of Wisconsin-Madison, Madison, WI, USA
| | - Yuhong Mao
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai, China
| | - Xinyu Li
- Beijing National Laboratory for Molecular Science, College of Chemistry and Molecular Engineering, Peking University, Beijing, China
| | - Kejun Bu
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai, China
| | - Huilong Hong
- Beijing National Laboratory for Molecular Science, College of Chemistry and Molecular Engineering, Peking University, Beijing, China
| | | | - Hui Luo
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai, China
| | - Dong Wang
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai, China
| | - Jiazhen Gu
- Beijing National Laboratory for Molecular Science, College of Chemistry and Molecular Engineering, Peking University, Beijing, China
| | - Yifan Zhang
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai, China
| | - Dongzhou Zhang
- Hawaii Institute of Geophysics & Planetology, University of Hawaii Manoa, Honolulu, HI, USA
| | - Qingyang Hu
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai, China
| | - Yang Ding
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai, China
| | - Wenge Yang
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai, China
| | - Yongping Fu
- Beijing National Laboratory for Molecular Science, College of Chemistry and Molecular Engineering, Peking University, Beijing, China.
| | - Song Jin
- Department of Chemistry, University of Wisconsin-Madison, Madison, WI, USA.
| | - Xujie Lü
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai, China.
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Liu Y, Liang J, Deng Z, Guo S, Ji X, Chen C, Canepa P, Lü X, Mao L. 0D Pyramid-intercalated 2D Bimetallic Halides with Tunable Electronic Structures and Enhanced Emission under Pressure. Angew Chem Int Ed Engl 2023; 62:e202314977. [PMID: 37991471 DOI: 10.1002/anie.202314977] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2023] [Indexed: 11/23/2023]
Abstract
Hybrid metal halides are emerging semiconductors as promising candidates for optoelectronics. The pursuit of hybridizing various dimensions of metal halides remains a desirable yet highly complex endeavor. By utilizing dimension engineering, a diverse array of new materials with intrinsically different electronic and optical properties has been developed. Here, we report a new family of 2D-0D hybrid bimetallic halides, (C6 N2 H14 )2 SbCdCl9 ⋅ 2H2 O (SbCd) and (C6 N2 H14 )2 SbCuCl9 ⋅ 2H2 O (SbCu). These compounds adopt a new layered structure, consisting of alternating 0D square pyramidal [SbCl5 ] and 2D inorganic layers sandwiched by organic layers. SbCd and SbCu have optical band gaps of 3.3 and 2.3 eV, respectively. These compounds exhibit weak photoluminescence (PL) at room temperature, and the PL gradually enhances with decreasing temperature. Density functional theory (DFT) calculations reveal that SbCd and SbCu are direct gap semiconductors, where first-principles band gaps follow the experimental trend. Moreover, given the different pressure responses of 0D and 2D components, these materials exhibit highly tunable electronic structures during compression, where a remarkable 11 times enhancement in PL emission is observed for SbCd at 19 GPa. This work opens new avenues for designing new layered bimetallic halides and further manipulating their structures and optoelectronic properties via pressure.
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Affiliation(s)
- Yang Liu
- Department of Chemistry, SUSTech Energy Institute for Carbon Neutrality, Southern, University of Science and Technology, Shenzhen, Guangdong, 518055, P. R. China
| | - Jiayuan Liang
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai, 201203, P. R. China
| | - Zeyu Deng
- Department of Materials Science and Engineering, National University of Singapore, 9 Engineering Drive 1, Singapore, 117575, Singapore
| | - Songhao Guo
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai, 201203, P. R. China
| | - Xiaoqin Ji
- Department of Chemistry, SUSTech Energy Institute for Carbon Neutrality, Southern, University of Science and Technology, Shenzhen, Guangdong, 518055, P. R. China
| | - Congcong Chen
- Department of Chemistry, SUSTech Energy Institute for Carbon Neutrality, Southern, University of Science and Technology, Shenzhen, Guangdong, 518055, P. R. China
| | - Pieremanuele Canepa
- Department of Materials Science and Engineering, National University of Singapore, 9 Engineering Drive 1, Singapore, 117575, Singapore
- Singapore-MIT Alliance for Research and Technology, 1 CREATE Way, 10-01 CREATE Tower, Singapore, 138602, Singapore
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, Singapore, 117585, Singapore
- Department of Electrical and Computer Engineering, and Texas Center for Superconductivity, University of Houston, Houston, TX 77204, USA
| | - Xujie Lü
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai, 201203, P. R. China
| | - Lingling Mao
- Department of Chemistry, SUSTech Energy Institute for Carbon Neutrality, Southern, University of Science and Technology, Shenzhen, Guangdong, 518055, P. R. China
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5
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Nakagawa T, Ding Y, Bu K, Lü X, Liu H, Moliterni A, Popović J, Mihalik M, Jagličić Z, Mihalik M, Vrankić M. Photophysical Behavior of Triethylmethylammonium Tetrabromoferrate(III) under High Pressure. Inorg Chem 2023; 62:19527-19541. [PMID: 38044824 DOI: 10.1021/acs.inorgchem.3c02607] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/05/2023]
Abstract
The pressure-induced properties of hybrid organic-inorganic ferroelectrics (HOIFs) with tunable structures and selectable organic and inorganic components are important for device fabrication. However, given the structural complexity of polycrystalline HOIFs and the limited resolution of pressure data, resolving the structure-property puzzle has so far been the exception rather than the rule. With this in mind, we present a collection of in situ high-pressure data measured for triethylmethylammonium tetrabromoferrate(III), ([N(C2H5)3CH3][FeBr4]) (EMAFB) by unraveling its flexible physical and photophysical behavior up to 80 GPa. Pressure-driven X-ray diffraction and Raman spectroscopy disclose its soft and reversible structural distortion, creating room for delicate band gap modulation. During compression, orange turns dark red at ∼2 GPa, and further compression results in piezochromism, leading to opaque black, while decompressed EMAFB appears in an orange hue. Assuming that the mechanical softness of EMAFB is the basis for reversible piezochromic control, we present alternations in the electronic landscape leading to a 1.22 eV band narrowing at 20.3 GPa while maintaining the semiconducting character at 72 GPa. EMAFB exhibits an emission enhancement, manifested by an increase of photoluminescence up to 17.3 GPa, correlating with the onsets of structural distortion and amorphization. The stimuli-responsive behavior of EMAFB, exhibiting stress-activated modification of the electronic structure, can enrich the physical library of HOIFs suitable for pressure-sensing technologies.
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Affiliation(s)
- Takeshi Nakagawa
- Center for High-Pressure Science & Technology Advanced Research, 100094 Beijing, P. R. China
| | - Yang Ding
- Center for High-Pressure Science & Technology Advanced Research, 100094 Beijing, P. R. China
| | - Kejun Bu
- Center for High-Pressure Science & Technology Advanced Research, 100094 Beijing, P. R. China
| | - Xujie Lü
- Center for High-Pressure Science & Technology Advanced Research, 100094 Beijing, P. R. China
| | - Haozhe Liu
- Center for High-Pressure Science & Technology Advanced Research, 100094 Beijing, P. R. China
| | - Anna Moliterni
- Institute of Crystallography (IC)-CNR, Via Amendola 122/O, 70126 Bari, Italy
| | - Jasminka Popović
- Division of Materials Physics, Rud̵er Bošković Institute, Bijenička 54, 10000 Zagreb, Croatia
| | - Marian Mihalik
- Institute of Experimental Physics, Watsonova 47, 040 01 Košice, Slovak Republic
| | - Zvonko Jagličić
- Institute of Mathematics, Physics and Mechanics, Jadranska 19, 1000 Ljubljana, Slovenia
- Faculty of Civil and Geodetic Engineering, University of Ljubljana, Jamova 2, 1000 Ljubljana, Slovenia
| | - Matúš Mihalik
- Institute of Experimental Physics, Watsonova 47, 040 01 Košice, Slovak Republic
| | - Martina Vrankić
- Division of Materials Physics, Rud̵er Bošković Institute, Bijenička 54, 10000 Zagreb, Croatia
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6
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Mao Y, Guo S, Huang X, Bu K, Li Z, Nguyen PQH, Liu G, Hu Q, Zhang D, Fu Y, Yang W, Lü X. Pressure-Modulated Anomalous Organic-Inorganic Interactions Enhance Structural Distortion and Second-Harmonic Generation in MHyPbBr 3 Perovskite. J Am Chem Soc 2023; 145:23842-23848. [PMID: 37859342 DOI: 10.1021/jacs.3c09375] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2023]
Abstract
Organic-inorganic halide perovskites possess unique electronic configurations and high structural tunability, rendering them promising for photovoltaic and optoelectronic applications. Despite significant progress in optimizing the structural characteristics of the organic cations and inorganic framework, the role of organic-inorganic interactions in determining the structural and optical properties has long been underappreciated and remains unclear. Here, by employing pressure tuning, we realize continuous regulation of organic-inorganic interactions in a lead halide perovskite, MHyPbBr3 (MHy+ = methylhydrazinium, CH3NH2NH2+). Compression enhances the organic-inorganic interactions by strengthening the Pb-N coordinate bonding and N-H···Br hydrogen bonding, which results in a higher structural distortion in the inorganic framework. Consequently, the second-harmonic-generation (SHG) intensity experiences an 18-fold increase at 1.5 GPa, and the order-disorder phase transition temperature of MHyPbBr3 increases from 408 K under ambient pressure to 454 K at the industrially achievable level of 0.5 GPa. Further compression triggers a sudden non-centrosymmetric to centrosymmetric phase transition, accompanied by an anomalous bandgap increase by 0.44 eV, which stands as the largest boost in all known halide perovskites. Our findings shed light on the intricate correlations among organic-inorganic interactions, octahedral distortion, and SHG properties and, more broadly, provide valuable insights into structural design and property optimization through cation engineering of halide perovskites.
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Affiliation(s)
- Yuhong Mao
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai 201203, China
| | - Songhao Guo
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai 201203, China
| | - Xu Huang
- Beijing National Laboratory for Molecular Science, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
| | - Kejun Bu
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai 201203, China
| | - Zhongyang Li
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai 201203, China
| | - Phuong Q H Nguyen
- Hawaii Institute of Geophysics and Planetology, School of Ocean and Earth Science and Technology, University of Hawaii at Manoa, Honolulu, Hawaii 96822, United States
| | - Gang Liu
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai 201203, China
| | - Qingyang Hu
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai 201203, China
| | - Dongzhou Zhang
- Hawaii Institute of Geophysics and Planetology, School of Ocean and Earth Science and Technology, University of Hawaii at Manoa, Honolulu, Hawaii 96822, United States
| | - Yongping Fu
- Beijing National Laboratory for Molecular Science, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
| | - Wenge Yang
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai 201203, China
| | - Xujie Lü
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai 201203, China
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7
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Luo H, Bu K, Yin Y, Wang D, Shi C, Guo S, Fu T, Liang J, Liu B, Zhang D, Xu LJ, Hu Q, Ding Y, Jin S, Yang W, Ma B, Lü X. Anomalous Charge Transfer from Organic Ligands to Metal Halides in Zero-Dimensional [(C 6 H 5 ) 4 P] 2 SbCl 5 Enabled by Pressure-Induced Lone Pair-π Interaction. Angew Chem Int Ed Engl 2023; 62:e202304494. [PMID: 37464980 DOI: 10.1002/anie.202304494] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Revised: 07/18/2023] [Accepted: 07/18/2023] [Indexed: 07/20/2023]
Abstract
Low-dimensional (low-D) organic metal halide hybrids (OMHHs) have emerged as fascinating candidates for optoelectronics due to their integrated properties from both organic and inorganic components. However, for most of low-D OMHHs, especially the zero-D (0D) compounds, the inferior electronic coupling between organic ligands and inorganic metal halides prevents efficient charge transfer at the hybrid interfaces and thus limits their further tunability of optical and electronic properties. Here, using pressure to regulate the interfacial interactions, efficient charge transfer from organic ligands to metal halides is achieved, which leads to a near-unity photoluminescence quantum yield (PLQY) at around 6.0 GPa in a 0D OMHH, [(C6 H5 )4 P]2 SbCl5 . In situ experimental characterizations and theoretical simulations reveal that the pressure-induced electronic coupling between the lone-pair electrons of Sb3+ and the π electrons of benzene ring (lp-π interaction) serves as an unexpected "bridge" for the charge transfer. Our work opens a versatile strategy for the new materials design by manipulating the lp-π interactions in organic-inorganic hybrid systems.
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Affiliation(s)
- Hui Luo
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), 201203, Shanghai, China
| | - Kejun Bu
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), 201203, Shanghai, China
| | - Yanfeng Yin
- State Key Laboratory of Molecular Reaction Dynamics and Dynamics Research Center for Energy and Environmental Materials, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 116023, Dalian, Liaoning, China
| | - Dong Wang
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), 201203, Shanghai, China
| | - Cuimi Shi
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 350002, Fuzhou, Fujian, China
| | - Songhao Guo
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), 201203, Shanghai, China
| | - Tonghuan Fu
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), 201203, Shanghai, China
| | - Jiayuan Liang
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), 201203, Shanghai, China
| | - Bingyan Liu
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), 201203, Shanghai, China
| | - Dongzhou Zhang
- Hawaii Institute of Geophysics and Planetology University of Hawaii Manoa Honolulu, 96822, Honolulu, HI, USA
| | - Liang-Jin Xu
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 350002, Fuzhou, Fujian, China
| | - Qingyang Hu
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), 201203, Shanghai, China
| | - Yang Ding
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), 201203, Shanghai, China
| | - Shengye Jin
- State Key Laboratory of Molecular Reaction Dynamics and Dynamics Research Center for Energy and Environmental Materials, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 116023, Dalian, Liaoning, China
| | - Wenge Yang
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), 201203, Shanghai, China
| | - Biwu Ma
- Department of Chemistry and Biochemistry, Florida State University, 32306, Tallahassee, FL, USA
| | - Xujie Lü
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), 201203, Shanghai, China
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8
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Fu T, Bu K, Sun X, Wang D, Feng X, Guo S, Sun Z, Fang Y, Hu Q, Ding Y, Zhai T, Huang F, Lü X. Manipulating Peierls Distortion in van der Waals NbOX 2 Maximizes Second-Harmonic Generation. J Am Chem Soc 2023. [PMID: 37467160 DOI: 10.1021/jacs.3c04971] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/21/2023]
Abstract
Two-dimensional (2D) van der Waals (vdW) materials, featuring relaxed phase-matching conditions and highly tunable optical nonlinearity, endow them with potential applications in nanoscale nonlinear optical (NLO) devices. Despite significant progress, fundamental questions in 2D NLO materials remain, such as how structural distortion affects second-order NLO properties, which call for advanced regulation and in situ diagnostic tools. Here, by applying pressure to continuously tune the displacement of Nb atoms in 2D vdW NbOI2, we effectively modulate the polarization and achieve a 3-fold boost of the second-harmonic generation (SHG) at 2.5 GPa. By introducing a Peierls distortion parameter, λ, we establish a quantitative relationship between λ and SHG intensity. Importantly, we further demonstrate that the SHG enhancement can be achieved under ambient conditions by anionic substitution to tune the distortion in NbO(I1-xBrx)2 (x = 0-1) compounds, where the chemical tailoring simulates the pressure effects on the structural optimization. Consequently, NbO(I0.60Br0.40)2 with λ = 0.17 exhibits a giant SHG of over 2 orders of magnitude higher than that in monolayer WSe2, reaching the record-high value among reported 2D vdW NLO materials. This work unambiguously demonstrates the correlation between Peierls distortion and SHG property and, more broadly, opens new paths for the development of advanced NLO materials by manipulating the structure distortions.
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Affiliation(s)
- Tonghuan Fu
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai 201203, China
| | - Kejun Bu
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai 201203, China
| | - Xuzhou Sun
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China
| | - Dong Wang
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai 201203, China
| | - Xin Feng
- State Key Laboratory of Materials Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology (HUST), Wuhan 430074, China
| | - Songhao Guo
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai 201203, China
| | - Zongdong Sun
- State Key Laboratory of Materials Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology (HUST), Wuhan 430074, China
| | - Yuqiang Fang
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China
| | - Qingyang Hu
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai 201203, China
| | - Yang Ding
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai 201203, China
| | - Tianyou Zhai
- State Key Laboratory of Materials Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology (HUST), Wuhan 430074, China
| | - Fuqiang Huang
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China
| | - Xujie Lü
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai 201203, China
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Gu J, Tao Y, Fu T, Guo S, Jiang X, Guan Y, Li X, Li C, Lü X, Fu Y. Correlating Photophysical Properties with Stereochemical Expression of ns2 Lone Pairs in Two-dimensional Lead Halide Perovskites. Angew Chem Int Ed Engl 2023:e202304515. [PMID: 37235527 DOI: 10.1002/anie.202304515] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Revised: 05/14/2023] [Accepted: 05/25/2023] [Indexed: 05/28/2023]
Abstract
Two-dimensional (2D) lead halide perovskites (LHPs) have shown great promises for light-emitting applications and excitonic devices. Fulfilling these promises demands an in-depth understanding on the relationships between structural dynamics and exciton-phonon interactions that govern optical properties. Here, we unveil the structural dynamics of 2D lead iodide perovskites with different spacer cations. Loose packing of an undersized spacer cation leads to out-of-plane octahedral tilting, whereas compact packing of an oversized spacer cation stretches Pb-I bond length, resulting in Pb2+ off-center displacement driven by stereochemical expression of the Pb2+ 6s2 lone pair electrons. Density functional theory calculations indicate that the Pb2+ cation is off-center displaced mainly along the direction where the octahedra are stretched the most by the spacer cation. We find dynamic structural distortions associated with either octahedral tilting or Pb2+ off-centering lead to a broad Raman central peak and phonon softening, which increase non-radiative recombination loss via exciton-phonon interaction and quench the photoluminescence intensity. The correlations between structural, phonon, and optical properties are further confirmed by the pressure tuning of the 2D LHPs. Our results demonstrate that minimizing the dynamic structural distortions via a judicious selection of the spacer cations is essential to realize high luminescence properties in 2D LHPs.
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Affiliation(s)
| | - Yu Tao
- Peking University, Chemistry, CHINA
| | - Tonghuan Fu
- HPSTAR: Center for High Pressure Science and Technology Advanced Research, HPSTAR, CHINA
| | - Songhao Guo
- HPSTAR: Center for High Pressure Science and Technology Advanced Research, HPSTAR, CHINA
| | | | - Yan Guan
- Peking University, Chemistry, CHINA
| | - Xiaotong Li
- California Institute of Technology, Chemistry, UNITED STATES
| | - Chen Li
- Peking University, Chemistry, CHINA
| | - Xujie Lü
- HPSTAR: Center for High Pressure Science and Technology Advanced Research, HPSTAR, CHINA
| | - Yongping Fu
- Peking University, Chemistry, Chengfu Road No.292, Beijing, CHINA
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10
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Girgibo N, Lü X, Hiltunen E, Peura P, Dai Z. The air temperature change effect on water quality in the Kvarken Archipelago area. Sci Total Environ 2023; 874:162599. [PMID: 36871730 DOI: 10.1016/j.scitotenv.2023.162599] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 02/27/2023] [Accepted: 02/28/2023] [Indexed: 06/18/2023]
Abstract
The Kvarken Archipelago is Finland's World Heritage site designated by UNESCO. How climate change has affected the Kvaken Archipelago remains unclear. This study was conducted to investigate this issue by analyzing air temperature and water quality in this area. Here we use long-term historical data sets of 61 years from several monitoring stations. Water quality parameters included chlorophyll-a; total phosphorus; total nitrogen; coliform bacteria thermos tolerant; temperature; nitrate as nitrogen; nitrite-nitrate as nitrogen, and Secchi depth and correlations analysis was conducted to identify the most relevant parameters. Based on the correlation analysis of weather data and water quality parameters, air temperature showed a significant correlation with water temperature (Pearson's correlations = 0.89691, P < 0.0001). The air temperature increased in April (R2 (goodness-of-fit) = 0.2109 &P = 0.0009) and July (R2 = 0.1207 &P = 0.0155) which has indirectly increased the chlorophyll-a level (e.g. in June increasing slope = 0.39101, R2 = 0.4685, P < 0.0001) an indicator of phytoplankton growth and abundance in the water systems. The study concludes that there might be indirect effects of the likely increase in air temperature on water quality in the Kvarken Archipelago, in particular causing water temperature and chlorophyll-a concentration to increase at least in some months.
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Affiliation(s)
- N Girgibo
- Department of Energy Technology, School of Technology and Innovations, University of Vaasa, P.O.Box 700, FIN-65101 Vaasa, Finland.
| | - X Lü
- Department of Energy Technology, School of Technology and Innovations, University of Vaasa, P.O.Box 700, FIN-65101 Vaasa, Finland; Department of Civil Engineering, Aalto University, P.O.Box 12100, FIN-02130 Espoo, Finland.
| | - E Hiltunen
- Department of Energy Technology, School of Technology and Innovations, University of Vaasa, P.O.Box 700, FIN-65101 Vaasa, Finland.
| | - P Peura
- Department of Energy Technology, School of Technology and Innovations, University of Vaasa, P.O.Box 700, FIN-65101 Vaasa, Finland.
| | - Z Dai
- College of Construction Engineering, Jilin University, Changchun 130026, China.
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11
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Voigt R, Wienold M, Jayasankar D, Drakinskiy V, Stake J, Sobis P, Schrottke L, Lü X, Grahn HT, Hübers HW. Frequency stabilization of a terahertz quantum-cascade laser to the Lamb dip of a molecular absorption line. Opt Express 2023; 31:13888-13894. [PMID: 37157264 DOI: 10.1364/oe.483883] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
We demonstrate the frequency stabilization of a terahertz quantum-cascade laser (QCL) to the Lamb dip of the absorption line of a D2O rotational transition at 3.3809309 THz. To assess the quality of the frequency stabilization, a Schottky diode harmonic mixer is used to generate a downconverted QCL signal by mixing the laser emission with a multiplied microwave reference signal. This downconverted signal is directly measured by a spectrum analyzer showing a full width at half maximum of 350 kHz, which is eventually limited by high-frequency noise beyond the bandwidth of the stabilization loop.
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12
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Sun ME, Wang Y, Wang F, Feng J, Wang L, Gao H, Chen G, Gu J, Fu Y, Bu K, Fu T, Li J, Lü X, Jiang L, Wu Y, Zang SQ. Chirality-Dependent Structural Transformation in Chiral 2D Perovskites under High Pressure. J Am Chem Soc 2023; 145:8908-8916. [PMID: 37057869 DOI: 10.1021/jacs.2c12527] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/15/2023]
Abstract
Chiral perovskites have attracted considerable attention owing to their potential applications in spintronic- and polarization-based optoelectronic devices. However, the structural chirality/asymmetry transfer mechanism between chiral organic ammoniums and achiral inorganic frameworks is still equivocal, especially under extreme conditions, as the systematic structural differences between chiral and achiral perovskites have been rarely explored. Herein, we successfully synthesized a pair of new enantiomeric chiral perovskite (S/R-3PYEA)PbI4 (3PYEA2+ = C5NH5C2H4NH32+) and an achiral perovskite (rac-3PYEA)PbI4. Hydrostatic pressure was used, for the first time, to systematically investigate the differences in the structural evolution and optical behavior between (S/R-3PYEA)PbI4 and (rac-3PYEA)PbI4. At approximately 7.0 GPa, (S/R-3PYEA)PbI4 exhibits a chirality-dependent structural transformation with a bandgap "red jump" and dramatic piezochromism from translucent red to opaque black. Upon further compression, a previously unreported chirality-induced negative linear compressibility (NLC) is achieved in (S/R-3PYEA)PbI4. High-pressure structural characterizations and first-principles calculations demonstrate that pressure-driven homodirectional tilting of homochiral ammonium cations strengthens the interactions between S/R-3PYEA2+ and Pb-I frameworks, inducing the formation of new asymmetric hydrogen bonds N-H···I-Pb in (S/R-3PYEA)PbI4. The enhanced asymmetric H-bonding interactions further break the symmetry of (S/R-3PYEA)PbI4 and trigger a greater degree of in-plane and out-of-plane distortion of [PbI6]4- octahedra, which are responsible for chirality-dependent structural phase transition and NLC, respectively. Nevertheless, the balanced H-bonds incurred by equal proportions of S-3PYEA2+ and R-3PYEA2+ counteract the tilting force, leading to the absence of chirality-dependent structural transition, spectral "red jump", and NLC in (rac-3PYEA)PbI4.
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Affiliation(s)
- Meng-En Sun
- Henan Key Laboratory of Crystalline Molecular Functional Materials, Henan International Joint Laboratory of Tumor Theranostical Cluster Materials, Green Catalysis Center, and College of Chemistry, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Yonggang Wang
- School of Materials Science and Engineering, Peking University, Beijing 100871, P. R. China
| | - Fei Wang
- Key Laboratory of Material Physics, Ministry of Education, School of Physics and Microelectronics, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Jiangang Feng
- Department of Electrical and Computer Engineering, National University of Singapore, Singapore 117583, Singapore
| | - Lingrui Wang
- Key Laboratory of Material Physics, Ministry of Education, School of Physics and Microelectronics, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Hanfei Gao
- Key Laboratory of Bio-inspired Materials and Interfacial Science, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China
| | - Gaosong Chen
- Henan Key Laboratory of Crystalline Molecular Functional Materials, Henan International Joint Laboratory of Tumor Theranostical Cluster Materials, Green Catalysis Center, and College of Chemistry, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Jiazhen Gu
- Beijing National Laboratory for Molecular Science, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, P. R. China
| | - Yongping Fu
- Beijing National Laboratory for Molecular Science, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, P. R. China
| | - Kejun Bu
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai 201203, P. R. China
| | - Tonghuan Fu
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai 201203, P. R. China
| | - Junlong Li
- Beijing Synchrotron Radiation Facility, Institute of High Energy Physics, Chinese Academy of Science, Beijing 100049, P. R. China
| | - Xujie Lü
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai 201203, P. R. China
| | - Lei Jiang
- Key Laboratory of Bio-inspired Materials and Interfacial Science, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China
| | - Yuchen Wu
- Key Laboratory of Bio-inspired Materials and Interfacial Science, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China
| | - Shuang-Quan Zang
- Henan Key Laboratory of Crystalline Molecular Functional Materials, Henan International Joint Laboratory of Tumor Theranostical Cluster Materials, Green Catalysis Center, and College of Chemistry, Zhengzhou University, Zhengzhou 450001, P. R. China
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13
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Yan L, Ding C, Li M, Tang R, Chen W, Liu B, Bu K, Huang T, Dai D, Jin X, Yang X, Cheng E, Li N, Zhang Q, Liu F, Liu X, Zhang D, Ma S, Tao Q, Zhu P, Li S, Lü X, Sun J, Wang X, Yang W. Modulating Charge-Density Wave Order and Superconductivity from Two Alternative Stacked Monolayers in a Bulk 4 Hb-TaSe 2 Heterostructure via Pressure. Nano Lett 2023; 23:2121-2128. [PMID: 36877932 DOI: 10.1021/acs.nanolett.2c04385] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Two-dimensional (2D) van der Waals heterostructures (VDWHs) containing a charge-density wave (CDW) and superconductivity (SC) have revealed rich tunability in their properties, which provide a new route for optimizing their novel exotic states. The interaction between SC and CDW is critical to its properties; however, understanding this interaction within VDWHs is very limited. A comprehensive in situ study and theoretical calculation on bulk 4Hb-TaSe2 VDWHs consisting of alternately stacking 1T-TaSe2 and 1H-TaSe2 monolayers are investigated under high pressure. Surprisingly, the superconductivity competes with the intralayer and adjacent-layer CDW order in 4Hb-TaSe2, which results in substantially and continually boosted superconductivity under compression. Upon total suppression of the CDW, the superconductivity in the individual layers responds differently to the charge transfer. Our results provide an excellent method to efficiently tune the interplay between SC and CDW in VDWHs and a new avenue for designing materials with tailored properties.
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Affiliation(s)
- Limin Yan
- State Key Laboratory of Superhard Materials, Department of Physics, Jilin University, Changchun 130012, People's Republic of China
- Center for High Pressure Science and Technology Advanced Research, Shanghai 201203, People's Republic of China
| | - Chi Ding
- National Laboratory of Solid State Microstructures, School of Physics and Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210093, People's Republic of China
| | - Mingtao Li
- Center for High Pressure Science and Technology Advanced Research, Shanghai 201203, People's Republic of China
| | - Ruilian Tang
- School of Materials Science and Engineering, Changchun University of Science and Technology, Changchun 130022, People's Republic of China
| | - Wan Chen
- State Key Laboratory of Superhard Materials, Department of Physics, Jilin University, Changchun 130012, People's Republic of China
| | - Bingyan Liu
- Center for High Pressure Science and Technology Advanced Research, Shanghai 201203, People's Republic of China
| | - Kejun Bu
- Center for High Pressure Science and Technology Advanced Research, Shanghai 201203, People's Republic of China
| | - Tianheng Huang
- National Laboratory of Solid State Microstructures, School of Physics and Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210093, People's Republic of China
| | - Dongzhe Dai
- State Key Laboratory of Surface Physics, Department of Physics, Fudan University Shanghai 200438, People's Republic of China
| | - Xiaobo Jin
- State Key Laboratory of Surface Physics, Department of Physics, Fudan University Shanghai 200438, People's Republic of China
| | - Xiaofan Yang
- State Key Laboratory of Surface Physics, Department of Physics, Fudan University Shanghai 200438, People's Republic of China
| | - Erjian Cheng
- State Key Laboratory of Surface Physics, Department of Physics, Fudan University Shanghai 200438, People's Republic of China
| | - Nana Li
- Center for High Pressure Science and Technology Advanced Research, Shanghai 201203, People's Republic of China
| | - Qian Zhang
- Center for High Pressure Science and Technology Advanced Research, Shanghai 201203, People's Republic of China
| | - Fengliang Liu
- Center for High Pressure Science and Technology Advanced Research, Shanghai 201203, People's Republic of China
| | - Xuqiang Liu
- Center for High Pressure Science and Technology Advanced Research, Shanghai 201203, People's Republic of China
| | - Dongzhou Zhang
- Hawaii Institute of Geophysics & Planetology, University of Hawaii Manoa, Honolulu, Hawaii 96822, United States
| | - Shuailing Ma
- State Key Laboratory of Superhard Materials, Department of Physics, Jilin University, Changchun 130012, People's Republic of China
| | - Qiang Tao
- State Key Laboratory of Superhard Materials, Department of Physics, Jilin University, Changchun 130012, People's Republic of China
| | - Pinwen Zhu
- State Key Laboratory of Superhard Materials, Department of Physics, Jilin University, Changchun 130012, People's Republic of China
| | - Shiyan Li
- State Key Laboratory of Surface Physics, Department of Physics, Fudan University Shanghai 200438, People's Republic of China
| | - Xujie Lü
- Center for High Pressure Science and Technology Advanced Research, Shanghai 201203, People's Republic of China
| | - Jian Sun
- National Laboratory of Solid State Microstructures, School of Physics and Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210093, People's Republic of China
| | - Xin Wang
- State Key Laboratory of Superhard Materials, Department of Physics, Jilin University, Changchun 130012, People's Republic of China
| | - Wenge Yang
- Center for High Pressure Science and Technology Advanced Research, Shanghai 201203, People's Republic of China
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14
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Huang W, Feng S, Liu J, Liang B, Zhou Y, Yu M, Liang J, Huang J, Lü X, Huang W. Configuration-Induced Multichromism of Phenanthridine Derivatives: A Type of Versatile Fluorescent Probe for Microenvironmental Monitoring. Angew Chem Int Ed Engl 2023; 62:e202219337. [PMID: 36602266 DOI: 10.1002/anie.202219337] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Revised: 01/04/2023] [Accepted: 01/05/2023] [Indexed: 01/06/2023]
Abstract
Fluorescent probes are attractive in diagnosis and sensing. However, most reported fluorophores can only detect one or few analytes/parameters, notably limiting their applications. Here we have designed three phenanthridine-based fluorophores (i.e., B1, F1, and T1 with 1D, 2D, and 3D molecular configuration, respectively) capable of monitoring various microenvironments. In rigidifying media, all fluorophores show bathochromic emissions but with different wavelength and intensity changes. Under compression, F1 shows a bathochromic emission of over 163 nm, which results in organic fluorophore-based full-color piezochromism. Moreover, both B1 and F1 exhibit an aggregation-caused quenching (ACQ) behavior, while T1 is an aggregation-induced emission (AIE) fluorophore. Further, F1 and T1 selectively concentrate in cell nucleus, whereas B1 mainly stains the cytoplasm in live cell imaging. This work provides a general design strategy of versatile fluorophores for microenvironmental monitoring.
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Affiliation(s)
- Wei Huang
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 155 Yangqiao West Road, Fuzhou, Fujian 350002, P. R. China
| | - Shiyu Feng
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 155 Yangqiao West Road, Fuzhou, Fujian 350002, P. R. China.,Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou, Fujian 350108, P. R. China.,University of Chinese Academy of Sciences, 19 A Yuquan Road, Beijing, 100049, P. R. China
| | - Jie Liu
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 155 Yangqiao West Road, Fuzhou, Fujian 350002, P. R. China
| | - Baoshuai Liang
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 155 Yangqiao West Road, Fuzhou, Fujian 350002, P. R. China.,University of Chinese Academy of Sciences, 19 A Yuquan Road, Beijing, 100049, P. R. China
| | - Ya Zhou
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, 510006, P. R. China
| | - Mengya Yu
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, 510006, P. R. China
| | - Jiayuan Liang
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai, 201203, P. R. China
| | - Jiaguo Huang
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, 510006, P. R. China
| | - Xujie Lü
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai, 201203, P. R. China
| | - Weiguo Huang
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 155 Yangqiao West Road, Fuzhou, Fujian 350002, P. R. China.,Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou, Fujian 350108, P. R. China.,University of Chinese Academy of Sciences, 19 A Yuquan Road, Beijing, 100049, P. R. China
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15
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Feng X, Bu K, Liu T, Guo S, Sun Z, Fu T, Xu Y, Liu K, Yang S, Zhao Y, Li H, Lü X, Zhai T. Giant Tunability of Charge Transport in 2D Inorganic Molecular Crystals by Pressure Engineering. Angew Chem Int Ed Engl 2023; 62:e202217238. [PMID: 36461902 DOI: 10.1002/anie.202217238] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Revised: 12/01/2022] [Accepted: 12/02/2022] [Indexed: 12/07/2022]
Abstract
The unique intermolecular van der Waals force in emerging two-dimensional inorganic molecular crystals (2DIMCs) endows them with highly tunable structures and properties upon applying external stimuli. Using high pressure to modulate the intermolecular bonding, here we reveal the highly tunable charge transport behavior in 2DIMCs for the first time, from an insulator to a semiconductor. As pressure increases, 2D α-Sb2 O3 molecular crystal undergoes three isostructural transitions, and the intermolecular bonding enhances gradually, which results in a considerably decreased band gap by 25 % and a greatly enhanced charge transport. Impressively, the in situ resistivity measurement of the α-Sb2 O3 flake shows a sharp drop by 5 orders of magnitude in 0-3.2 GPa. This work sheds new light on the manipulation of charge transport in 2DIMCs and is of great significance for promoting the fundamental understanding and potential applications of 2DIMCs in advanced modern technologies.
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Affiliation(s)
- Xin Feng
- State Key Laboratory of Materials Processing and Die & Mould Technology, and School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China
| | - Kejun Bu
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai, 201203, P. R. China
| | - Teng Liu
- State Key Laboratory of Materials Processing and Die & Mould Technology, and School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China
| | - Songhao Guo
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai, 201203, P. R. China
| | - Zongdong Sun
- State Key Laboratory of Materials Processing and Die & Mould Technology, and School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China
| | - Tonghuan Fu
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai, 201203, P. R. China
| | - Yongshan Xu
- State Key Laboratory of Materials Processing and Die & Mould Technology, and School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China
| | - Kailang Liu
- State Key Laboratory of Materials Processing and Die & Mould Technology, and School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China
| | - Sijie Yang
- State Key Laboratory of Materials Processing and Die & Mould Technology, and School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China
| | - Yinghe Zhao
- State Key Laboratory of Materials Processing and Die & Mould Technology, and School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China
| | - Huiqiao Li
- State Key Laboratory of Materials Processing and Die & Mould Technology, and School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China
| | - Xujie Lü
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai, 201203, P. R. China
| | - Tianyou Zhai
- State Key Laboratory of Materials Processing and Die & Mould Technology, and School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China
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16
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Huang W, Feng S, Liu J, Liang B, Zhou Y, Yu M, Liang J, Huang J, Lü X, Huang W. Configuration‐Induced Multichromism of Phenanthridine Derivatives: A Type of Versatile Fluorescent Probe for Microenvironmental Monitoring. Angew Chem Int Ed Engl 2023. [DOI: 10.1002/ange.202219337] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Wei Huang
- Chinese Academy of Sciences Fujian Institute of Research on the Structure of Matter State Key Laboratory of Structural Chemistry CHINA
| | - Shiyu Feng
- Chinese Academy of Sciences Fujian Institute of Research on the Structure of Matter State Key Laboratory of Structural Chemistry 155 Yangqiao Road West 350002 Fuzhou CHINA
| | - Jie Liu
- Chinese Academy of Sciences Fujian Institute of Research on the Structure of Matter State Key Laboratory of Structural Chemistry CHINA
| | - Baoshuai Liang
- Chinese Academy of Sciences Fujian Institute of Research on the Structure of Matter State Key Laboratory of Structural Chemistry CHINA
| | - Ya Zhou
- Sun Yat-Sen University School of Pharmaceutical Sciences CHINA
| | - Mengya Yu
- Sun Yat-Sen University School of Pharmaceutical Sciences CHINA
| | - Jiayuan Liang
- HPSTAR: Center for High Pressure Science and Technology Advanced Research Center for High Pressure Science and Technology Advanced Research (HPSTAR) CHINA
| | - Jiaguo Huang
- Sun Yat-Sen University School of Pharmaceutical Sciences CHINA
| | - Xujie Lü
- HPSTAR: Center for High Pressure Science and Technology Advanced Research Center for High Pressure Science and Technology Advanced Research (HPSTAR) CHINA
| | - Weiguo Huang
- Chinese Academy of Sciences Fujian Institute of Research on the Structure of Matter 155 Yangqiao Road West 350002 Fuzhou CHINA
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17
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Feng X, Bu K, Liu T, Guo S, Sun Z, Fu T, Xu Y, Liu K, Yang S, Zhao Y, Li H, Lü X, Zhai T. Giant Tunability of Charge Transport in 2D Inorganic Molecular Crystals by Pressure Engineering. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202217238] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/05/2022]
Affiliation(s)
- Xin Feng
- Huazhong University of Science and Technology - Main Campus: Huazhong University of Science and Technology School of Materials Science and Engineering CHINA
| | - Kejun Bu
- Center for High Pressure Science and Technology Advanced Research Center for High Pressure Science and Technology Advanced Research CHINA
| | - Teng Liu
- Huazhong University of Science and Technology - Main Campus: Huazhong University of Science and Technology School of Materials Science and Engineering CHINA
| | - Songhao Guo
- Center for High Pressure Science and Technology Advanced Research Center for High Pressure Science and Technology Advanced Research CHINA
| | - Zongdong Sun
- Huazhong University of Science and Technology - Main Campus: Huazhong University of Science and Technology School of Materials Science and Engineering CHINA
| | - Tonghuan Fu
- Center for High Pressure Science and Technology Advanced Research Center for High Pressure Science and Technology Advanced Research CHINA
| | - Yongshan Xu
- Huazhong University of Science and Technology - Main Campus: Huazhong University of Science and Technology School of Materials Science and Engineering CHINA
| | - Kailang Liu
- Huazhong University of Science and Technology - Main Campus: Huazhong University of Science and Technology School of Materials Science and Engineering CHINA
| | - Sijie Yang
- Huazhong University of Science and Technology - Main Campus: Huazhong University of Science and Technology School of Materials Science and Engineering CHINA
| | - Yinghe Zhao
- Huazhong University of Science and Technology - Main Campus: Huazhong University of Science and Technology School of Materials Science and Engineering CHINA
| | - Huiqiao Li
- Huazhong University of Science and Technology - Main Campus: Huazhong University of Science and Technology School of Materials Science and Engineering CHINA
| | - Xujie Lü
- Center for High Pressure Science and Technology Advanced Research Center for High Pressure Science and Technology Advanced Research CHINA
| | - Tianyou Zhai
- Huazhong University of Science and Technology - Main Campus: Huazhong University of Science and Technology School of Materials Science and Engineering Luoyu Road 430074 Wuhan CHINA
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18
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Guo S, Li Y, Mao Y, Tao W, Bu K, Fu T, Zhao C, Luo H, Hu Q, Zhu H, Shi E, Yang W, Dou L, Lü X. Reconfiguring band-edge states and charge distribution of organic semiconductor-incorporated 2D perovskites via pressure gating. Sci Adv 2022; 8:eadd1984. [PMID: 36322656 PMCID: PMC9629702 DOI: 10.1126/sciadv.add1984] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Accepted: 09/13/2022] [Indexed: 06/16/2023]
Abstract
Two-dimensional (2D) semiconductor heterostructures are key building blocks for many electronic and optoelectronic devices. Reconfiguring the band-edge states and modulating their interplay with charge carriers at the interface in a continuous manner have long been sought yet are challenging. Here, using organic semiconductor-incorporated 2D halide perovskites as the model system, we realize the manipulation of band-edge states and charge distribution via mechanical-rather than chemical or thermal-regulation. Compression induces band-alignment switching and charge redistribution due to the different pressure responses of organic and inorganic building blocks, giving controllable emission properties of 2D perovskites. We propose and demonstrate a "pressure gating" strategy that enables the control of multiple emission states within a single material. We also reveal that band-alignment transition at the organic-inorganic interface is intrinsically not well resolved at room temperature owing to the thermally activated transfer and shuffling of band-edge carriers. This work provides important fundamental insights into the energetics and carrier dynamics of hybrid semiconductor heterostructures.
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Affiliation(s)
- Songhao Guo
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai, China
| | - Yahui Li
- School of Engineering, Westlake University, Hangzhou, China
| | - Yuhong Mao
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai, China
| | - Weijian Tao
- ZJU-Hangzhou Global Scientific and Technological Innovation Center, Hangzhou, China
| | - Kejun Bu
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai, China
| | - Tonghuan Fu
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai, China
| | - Chang Zhao
- ZJU-Hangzhou Global Scientific and Technological Innovation Center, Hangzhou, China
| | - Hui Luo
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai, China
| | - Qingyang Hu
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai, China
| | - Haiming Zhu
- ZJU-Hangzhou Global Scientific and Technological Innovation Center, Hangzhou, China
| | - Enzheng Shi
- School of Engineering, Westlake University, Hangzhou, China
| | - Wenge Yang
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai, China
| | - Letian Dou
- Davidson School of Chemical Engineering, Purdue University, West Lafayette, IN, USA
| | - Xujie Lü
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai, China
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19
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Liu F, Cai X, Liu K, Rafique S, Behrouznejad F, Bu K, Lü X, Wang J, Wu S, Wang X, Pan Y, Li X, Cai Y, Zhu J, Qiu Z, Yu A, Shen H, Wang J, Zhan Y. New Lead-free Organic-Inorganic Hybrid Semiconductor Single Crystals for a UV-Vis-NIR Broadband Photodetector. ACS Appl Mater Interfaces 2022; 14:33850-33860. [PMID: 35852172 DOI: 10.1021/acsami.2c08116] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Organic-inorganic hybrid semiconducting (OIHS) materials, which can detect broader spectral regions, are highly desired in several applications including biomedical imaging, night vision, and optical communications. Although lead (Pb)-halide perovskites have reached a mature research stage, high toxicity of Pb hinders their large-scale viability. Tin (Sn)-based perovskites are the most common OIHS broadband light absorbers that replace toxic Pb; however, they are extremely unstable due to the notorious Sn2+ oxidation. Herein, a novel, non-toxic, and solution-processed millimeter-sized OIHS single crystal [Ga(C3H7NO)6](I3)3 has been grown at room temperature. Both the absorption measurement and density functional theory calculations have confirmed a narrow indirect band gap of 1.32 eV. The corresponding photodetector based on this single crystal demonstrated excellent performance including an ultraviolet-visible-near infrared (UV-vis-NIR) response between 325 and 1064 nm, fast response time (trise/tdecay = 3.8 ms/5.4 ms), and profound air storage stability (41 h), thus outperforming most common photodetectors based on Sn-based perovskites. This work not only provides a profound understanding of this novel organic-inorganic single-crystal material but also demonstrates its great potential to realize the high-performance UV-vis-NIR broadband photodetectors.
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Affiliation(s)
- Fengcai Liu
- Center for Micro Nano Systems, School of Information Science and Technology (SIST), Fudan University, Shanghai 200433, P. R. China
| | - Xia Cai
- Center for Micro Nano Systems, School of Information Science and Technology (SIST), Fudan University, Shanghai 200433, P. R. China
| | - Kai Liu
- Center for Micro Nano Systems, School of Information Science and Technology (SIST), Fudan University, Shanghai 200433, P. R. China
| | - Saqib Rafique
- Center for Micro Nano Systems, School of Information Science and Technology (SIST), Fudan University, Shanghai 200433, P. R. China
| | - Fatemeh Behrouznejad
- Center for Micro Nano Systems, School of Information Science and Technology (SIST), Fudan University, Shanghai 200433, P. R. China
| | - Kejun Bu
- Center for High Pressure Science and Technology Advanced Research, Shanghai 201203, China
| | - Xujie Lü
- Center for High Pressure Science and Technology Advanced Research, Shanghai 201203, China
| | - Jiao Wang
- Center for Micro Nano Systems, School of Information Science and Technology (SIST), Fudan University, Shanghai 200433, P. R. China
| | - Shuaiqin Wu
- State Key Laboratory of Infrared Physics, Shanghai Institute of Technical Physics, Chinese Academy of Sciences, No.500 Yutian Road, Shanghai 200083, China
| | - Xudong Wang
- State Key Laboratory of Infrared Physics, Shanghai Institute of Technical Physics, Chinese Academy of Sciences, No.500 Yutian Road, Shanghai 200083, China
| | - Yiyi Pan
- Center for Micro Nano Systems, School of Information Science and Technology (SIST), Fudan University, Shanghai 200433, P. R. China
| | - Xiaoguo Li
- Center for Micro Nano Systems, School of Information Science and Technology (SIST), Fudan University, Shanghai 200433, P. R. China
| | - Yichen Cai
- Center for Micro Nano Systems, School of Information Science and Technology (SIST), Fudan University, Shanghai 200433, P. R. China
| | - Junqiang Zhu
- Center for Micro Nano Systems, School of Information Science and Technology (SIST), Fudan University, Shanghai 200433, P. R. China
| | - Zhijun Qiu
- Center for Micro Nano Systems, School of Information Science and Technology (SIST), Fudan University, Shanghai 200433, P. R. China
| | - Anran Yu
- Center for Micro Nano Systems, School of Information Science and Technology (SIST), Fudan University, Shanghai 200433, P. R. China
| | - Hong Shen
- State Key Laboratory of Infrared Physics, Shanghai Institute of Technical Physics, Chinese Academy of Sciences, No.500 Yutian Road, Shanghai 200083, China
| | - Jianlu Wang
- Frontier Institute of Chip and System, Fudan University, Shanghai 200433, China
- Shanghai Frontier Base of Intelligent Optoelectronics and Perception, Institute of Optoelectronics, Fudan University, 2005 Songhu Road, Shanghai 200438, P. R. China
| | - Yiqiang Zhan
- Center for Micro Nano Systems, School of Information Science and Technology (SIST), Fudan University, Shanghai 200433, P. R. China
- Shanghai Frontier Base of Intelligent Optoelectronics and Perception, Institute of Optoelectronics, Fudan University, 2005 Songhu Road, Shanghai 200438, P. R. China
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20
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Huang X, Li X, Tao Y, Guo S, Gu J, Hong H, Yao Y, Guan Y, Gao Y, Li C, Lü X, Fu Y. Understanding Electron-Phonon Interactions in 3D Lead Halide Perovskites from the Stereochemical Expression of 6s 2 Lone Pairs. J Am Chem Soc 2022; 144:12247-12260. [PMID: 35767659 DOI: 10.1021/jacs.2c03443] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The electron-phonon (e-ph) interaction in lead halide perovskites (LHPs) plays a role in a variety of physical phenomena. Unveiling how the local lattice distortion responds to charge carriers is a critical step toward understanding the e-ph interaction in LHPs. Herein, we advance a fundamental understanding of the e-ph interaction in LHPs from the perspective of stereochemical activity of 6s2 lone-pair electrons on the Pb2+ cation. We demonstrate a model system based on three LHPs with distinctive lone-pair activities for studying the structure-property relationships. By tuning the A-cation chemistry, we synthesized single-crystal CsPbBr3, (MA0.13EA0.87)PbBr3 (MA+ = methylammonium; EA+ = ethylammonium), and (MHy)PbBr3 (MHy+ = methylhydrazinium), which exhibit stereo-inactive, dynamic stereo-active, and static stereo-active lone pairs, respectively. This gives rise to distinctive local lattice distortions and low-frequency vibrational modes. We find that the e-ph interaction leads to a blue shift of the band gap as temperature increases in the structure with the dynamic stereo-active lone pair but to a red shift in the structure with the static stereo-active lone pair. Furthermore, analyses of the temperature-dependent low-energy photoluminescence tails reveal that the strength of the e-ph interaction increases with increasing lone-pair activity, leading to a transition from a large polaron to a small polaron, which has significant influence on the emission spectra and charge carrier dynamics. Our results highlight the role of the lone-pair activity in controlling the band gap, phonon, and polaronic effect in LHPs and provide guidelines for optimizing the optoelectronic properties, especially for tin-based and germanium-based halide perovskites, where stereo-active lone pairs are more prominent than their lead counterparts.
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Affiliation(s)
- Xu Huang
- Beijing National Laboratory for Molecular Science, State Key Laboratory of Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
| | - Xiaotong Li
- Division of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, California 91125, United States
| | - Yu Tao
- Beijing National Laboratory for Molecular Science, State Key Laboratory of Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
| | - Songhao Guo
- Center for High Pressure Science and Technology Advanced Research, Shanghai 201203, China
| | - Jiazhen Gu
- Beijing National Laboratory for Molecular Science, State Key Laboratory of Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
| | - Huilong Hong
- Beijing National Laboratory for Molecular Science, State Key Laboratory of Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
| | - Yige Yao
- State Key Laboratory for Artificial Microstructure and Mesoscopic Physics, School of Physics, Peking University, Beijing 100871, China
| | - Yan Guan
- Beijing National Laboratory for Molecular Science, State Key Laboratory of Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
| | - Yunan Gao
- State Key Laboratory for Artificial Microstructure and Mesoscopic Physics, School of Physics, Peking University, Beijing 100871, China
| | - Chen Li
- Beijing National Laboratory for Molecular Science, State Key Laboratory of Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
| | - Xujie Lü
- Center for High Pressure Science and Technology Advanced Research, Shanghai 201203, China
| | - Yongping Fu
- Beijing National Laboratory for Molecular Science, State Key Laboratory of Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
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21
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Li Q, Cheng H, Xing C, Guo S, Wu X, Zhang L, Zhang D, Liu X, Wen X, Lü X, Zhang H, Quan Z. Pressure-Induced Amorphization and Crystallization of Heterophase Pd Nanostructures. Small 2022; 18:e2106396. [PMID: 35344277 DOI: 10.1002/smll.202106396] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Revised: 02/20/2022] [Indexed: 06/14/2023]
Abstract
Control of structural ordering in noble metals is very important for the exploration of their properties and applications, and thus it is highly desired to have an in-depth understanding of their structural transitions. Herein, through high-pressure treatment, the mutual transformations between crystalline and amorphous phases are achieved in Pd nanosheets (NSs) and nanoparticles (NPs). The amorphous domains in the amorphous/crystalline Pd NSs exhibit pressure-induced crystallization (PIC) phenomenon, which is considered as the preferred structural response of amorphous Pd under high pressure. On the contrary, in the spherical crystalline@amorphous core-shell Pd NPs, pressure-induced amorphization (PIA) is observed in the crystalline core, in which the amorphous-crystalline phase boundary acts as the initiation site for the collapse of crystalline structure. The distinct PIC and PIA phenomena in two different heterophase Pd nanostructures might originate from the different characteristics of Pd NSs and NPs, including morphology, amorphous-crystalline interface, and lattice parameter. This work not only provides insights into the phase transition mechanisms of amorphous/crystalline heterophase noble metal nanostructures, but also offers an alternative route for engineering noble metals with different phases.
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Affiliation(s)
- Qian Li
- Department of Chemistry, Academy for Advanced Interdisciplinary Studies, Shenzhen Engineering Research Center for Frontier Materials Synthesis at High Pressures, Southern University of Science and Technology (SUSTech), Shenzhen, Guangdong, 518055, China
| | - Hongfei Cheng
- Center for Programmable Materials, School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore
| | - Caihong Xing
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan, 030001, China
| | - Songhao Guo
- Center for High Pressure Science and Technology Advanced Research, Shanghai, 201203, China
| | - Xiaotong Wu
- Department of Chemistry, Academy for Advanced Interdisciplinary Studies, Shenzhen Engineering Research Center for Frontier Materials Synthesis at High Pressures, Southern University of Science and Technology (SUSTech), Shenzhen, Guangdong, 518055, China
| | - Liming Zhang
- Department of Chemistry, Academy for Advanced Interdisciplinary Studies, Shenzhen Engineering Research Center for Frontier Materials Synthesis at High Pressures, Southern University of Science and Technology (SUSTech), Shenzhen, Guangdong, 518055, China
| | - Dongzhou Zhang
- Partnership for Extreme Crystallography, University of Hawaii at Manoa, Honolulu, Hawaii, 96822, USA
| | - Xingchen Liu
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan, 030001, China
| | - Xiaodong Wen
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan, 030001, China
| | - Xujie Lü
- Center for High Pressure Science and Technology Advanced Research, Shanghai, 201203, China
| | - Hua Zhang
- Department of Chemistry, City University of Hong Kong, Hong Kong, China
- Hong Kong Branch of National Precious Metals Material Engineering Research Center (NPMM), City University of Hong Kong, Hong Kong, China
- Shenzhen Research Institute, City University of Hong Kong, Shenzhen, 518057, China
| | - Zewei Quan
- Department of Chemistry, Academy for Advanced Interdisciplinary Studies, Shenzhen Engineering Research Center for Frontier Materials Synthesis at High Pressures, Southern University of Science and Technology (SUSTech), Shenzhen, Guangdong, 518055, China
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22
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Li M, Peng S, Fang S, Gong Y, Yang D, Bu K, Liu B, Luo H, Guo S, Li J, Wang H, Liu Y, Jiang S, Lin C, Lü X. Synthesis of Two-Dimensional CsPb 2X 5 (X = Br and I) with a Stable Structure and Tunable Bandgap by CsPbX 3 Phase Separation. J Phys Chem Lett 2022; 13:2555-2562. [PMID: 35285656 DOI: 10.1021/acs.jpclett.2c00116] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Perovskite-related materials with various dimensionalities have attracted sustained attention owing to their extraordinary electronic and optoelectronic properties, but it is still challenging in the synthesis of compounds with desired compositions and structures. Herein, a two-dimensional (2D) CsPb2I5 perovskite has been synthesized by the conversion of CsPbI3 at high-pressure and high-temperature (high P-T) conditions, which is quenchable at ambient conditions. In situ synchrotron X-ray diffraction shows that high-pressure monoclinic CsPbI3 converts into tetragonal CsPb2I5 and cubic CsI at 8.7 GPa upon heating from 644 to 666 K. Keeping the tetragonal structure stable, CsPb2I5 exhibits tunable optical properties with the bandgap changing from ∼2.4 eV at ambient pressure to ∼1.4 eV at 36.9 GPa. Further experiments demonstrate similar structural evolution in the typical three-dimensional CsPbBr3 perovskite into 2D CsPb2Br5 at high P-T conditions, indicating that the conversion of CsPbX3 (X = Br and I) into CsPb2X5 is ubiquitous.
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Affiliation(s)
- Mei Li
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Beijing 100094, People's Republic of China
| | - Shang Peng
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Beijing 100094, People's Republic of China
| | - Shiyu Fang
- School of Materials and Engineering, Shanghai Institute of Technology, Shanghai 200235, People's Republic of China
| | - Yu Gong
- Beijing Synchrotron Radiation Facility, Institute of High Energy Physics, Chinese Academy of Science, Beijing 100049, People's Republic of China
| | - Dongliang Yang
- Beijing Synchrotron Radiation Facility, Institute of High Energy Physics, Chinese Academy of Science, Beijing 100049, People's Republic of China
| | - Kejun Bu
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Beijing 100094, People's Republic of China
| | - Bingyan Liu
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Beijing 100094, People's Republic of China
| | - Hui Luo
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Beijing 100094, People's Republic of China
| | - Songhao Guo
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Beijing 100094, People's Republic of China
| | - Junlong Li
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Beijing 100094, People's Republic of China
- Beijing Synchrotron Radiation Facility, Institute of High Energy Physics, Chinese Academy of Science, Beijing 100049, People's Republic of China
| | - Hao Wang
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Beijing 100094, People's Republic of China
| | - Yufeng Liu
- School of Materials and Engineering, Shanghai Institute of Technology, Shanghai 200235, People's Republic of China
| | - Sheng Jiang
- Shanghai Synchrotron Radiation Facility, Shanghai Advanced Research Institute, Chinese Academy of Science, Shanghai 201204, People's Republic of China
| | - Chuanlong Lin
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Beijing 100094, People's Republic of China
| | - Xujie Lü
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Beijing 100094, People's Republic of China
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23
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Wang Y, Liu C, Ren Y, Zuo X, Canton SE, Zheng K, Lu K, Lü X, Yang W, Zhang X. Visualizing Light-Induced Microstrain and Phase Transition in Lead-Free Perovskites Using Time-Resolved X-Ray Diffraction. J Am Chem Soc 2022; 144:5335-5341. [PMID: 35302742 DOI: 10.1021/jacs.1c11747] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Metal halide perovskites have emerged as promising materials for optoelectronic applications in the last decade. A large amount of effort has been made to investigate the interplay between the crystalline lattice and photoexcited charge carriers as it is vital to their optoelectronic performance. Among them, ultrafast laser spectroscopy has been intensively utilized to explore the charge carrier dynamics of perovskites, from which the local structural information can only be extracted indirectly. Here, we have applied a time-resolved X-ray diffraction technique to investigate the structural dynamics of prototypical two-dimensional lead-free halide perovskite Cs3Bi2Br9 nanoparticles across temporal scales from 80 ps to microseconds. We observed a quick recoverable (a few ns) photoinduced microstrain up to 0.15% and a long existing lattice expansion (∼a few hundred nanoseconds) at mild laser fluence. Once the laser flux exceeds 1.4 mJ/cm2, the microstrain saturates and the crystalline phase partially transfers into a disordered phase. This photoinduced transient structural change can recover within the nanosecond time scale. These results indicate that photoexcitation of charge carriers couples with lattice distortion, which fundamentally affects the dielectric environment and charge carrier transport.
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Affiliation(s)
- Yingqi Wang
- Center for High Pressure Science & Technology Advanced Research, 1690 Cailun Rd, Pudong, Shanghai 201203, China
| | - Cunming Liu
- X-ray Science Division, Argonne National Laboratory, 9700 S. Cass Avenue, Lemont, Illinois 60439, United States
| | - Yang Ren
- Department of Physics, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon 999077, Hong Kong, China
| | - Xiaobing Zuo
- X-ray Science Division, Argonne National Laboratory, 9700 S. Cass Avenue, Lemont, Illinois 60439, United States
| | | | - Kaibo Zheng
- Department of Chemical Physics and Nanolund, Lund University, Box 124, 22100 Lund, Sweden
| | - Kuangda Lu
- Biomedical Engineering Department, Peking University, Beijing 100871, China
| | - Xujie Lü
- Center for High Pressure Science & Technology Advanced Research, 1690 Cailun Rd, Pudong, Shanghai 201203, China
| | - Wenge Yang
- Center for High Pressure Science & Technology Advanced Research, 1690 Cailun Rd, Pudong, Shanghai 201203, China
| | - Xiaoyi Zhang
- X-ray Science Division, Argonne National Laboratory, 9700 S. Cass Avenue, Lemont, Illinois 60439, United States
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24
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Luo H, Guo S, Zhang Y, Bu K, Lin H, Wang Y, Yin Y, Zhang D, Jin S, Zhang W, Yang W, Ma B, Lü X. Regulating Exciton-Phonon Coupling to Achieve a Near-Unity Photoluminescence Quantum Yield in One-Dimensional Hybrid Metal Halides. Adv Sci (Weinh) 2021; 8:e2100786. [PMID: 34021734 PMCID: PMC8292847 DOI: 10.1002/advs.202100786] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Revised: 03/19/2021] [Indexed: 05/05/2023]
Abstract
Low-dimensional hybrid metal halides are emerging as a highly promising class of single-component white-emitting materials for their unique broadband emission from self-trapped excitons (STEs). Despite substantial progress in the development of these metal halides, many challenges remain to be addressed to obtain a better fundamental understanding of the structure-property relationship and realize the full potentials of this class of materials. Here, via pressure regulation, a near 100% photoluminescence quantum yield (PLQY) of broadband emission is achieved in a corrugated 1D hybrid metal halide C5 N2 H16 Pb2 Br6 , which possesses a highly distorted structure with an initial PLQY of 10%. Compression reduces the overlap between STE states and ground state, leading to a suppressed phonon-assisted non-radiative decay. The PL evolution is systematically demonstrated to be controlled by the pressure-regulated exciton-phonon coupling which can be quantified using Huang-Rhys factor S. Detailed studies of the S-PLQY relation for a series of 1D hybrid metal halides (C5 N2 H16 Pb2 Br6 , C4 N2 H14 PbBr4 , C6 N2 H16 PbBr4 , and (C6 N2 H16 )3 Pb2 Br10 ) reveal a quantitative structure-property relationship that regulating S factor toward 28 leads to the maximum emission.
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Affiliation(s)
- Hui Luo
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), 1690 Cailun Rd, Pudong, Shanghai, 201203, China
| | - Songhao Guo
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), 1690 Cailun Rd, Pudong, Shanghai, 201203, China
| | - Yubo Zhang
- Department of Physics and Shenzhen Institute for Quantum Science and Engineering, Southern University of Science and Technology, Shenzhen, Guangdong, 518055, China
| | - Kejun Bu
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), 1690 Cailun Rd, Pudong, Shanghai, 201203, China
| | - Haoran Lin
- Hoffmann Institute of Advanced Materials, Shenzhen Polytechnic, Shenzhen, Guangdong, 518055, China
| | - Yingqi Wang
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), 1690 Cailun Rd, Pudong, Shanghai, 201203, China
| | - Yanfeng Yin
- State Key Laboratory of Molecular Reaction Dynamics and Dynamics Research Center for, Energy and Environmental Materials, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, Liaoning, 116023, China
| | - Dongzhou Zhang
- Hawaii Institute of Geophysics and Planetology, University of Hawaii Manoa, Honolulu, HI, 96822, USA
| | - Shengye Jin
- State Key Laboratory of Molecular Reaction Dynamics and Dynamics Research Center for, Energy and Environmental Materials, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, Liaoning, 116023, China
| | - Wenqing Zhang
- Department of Physics and Shenzhen Institute for Quantum Science and Engineering, Southern University of Science and Technology, Shenzhen, Guangdong, 518055, China
| | - Wenge Yang
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), 1690 Cailun Rd, Pudong, Shanghai, 201203, China
| | - Biwu Ma
- Department of Chemistry and Biochemistry, Florida State University, Tallahassee, FL, 32306, USA
| | - Xujie Lü
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), 1690 Cailun Rd, Pudong, Shanghai, 201203, China
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25
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Guo S, Bu K, Li J, Hu Q, Luo H, He Y, Wu Y, Zhang D, Zhao Y, Yang W, Kanatzidis MG, Lü X. Enhanced Photocurrent of All-Inorganic Two-Dimensional Perovskite Cs2PbI2Cl2 via Pressure-Regulated Excitonic Features. J Am Chem Soc 2021; 143:2545-2551. [DOI: 10.1021/jacs.0c11730] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Songhao Guo
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai 201203, China
| | - Kejun Bu
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai 201203, China
| | - Jiangwei Li
- Key Lab of Organic Optoelectronics, Molecular Engineering of Ministry of Education, Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Qingyang Hu
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai 201203, China
| | - Hui Luo
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai 201203, China
| | - Yihui He
- Department of Chemistry, Northwestern University, Evanston, Illinois 60208, United States
| | - Yanhui Wu
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai 201203, China
| | - Dongzhou Zhang
- Hawaii Institute of Geophysics & Planetology, University of Hawaii Manoa, Honolulu, Hawaii 96822, United States
| | - Yongsheng Zhao
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai 201203, China
| | - Wenge Yang
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai 201203, China
| | - Mercouri G. Kanatzidis
- Department of Chemistry, Northwestern University, Evanston, Illinois 60208, United States
| | - Xujie Lü
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai 201203, China
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26
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Lü X, Stoumpos C, Hu Q, Ma X, Zhang D, Guo S, Hoffman J, Bu K, Guo X, Wang Y, Ji C, Chen H, Xu H, Jia Q, Yang W, Kanatzidis MG, Mao HK. Regulating off-centering distortion maximizes photoluminescence in halide perovskites. Natl Sci Rev 2020; 8:nwaa288. [PMID: 34691729 PMCID: PMC8433095 DOI: 10.1093/nsr/nwaa288] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Revised: 11/22/2020] [Accepted: 11/22/2020] [Indexed: 11/24/2022] Open
Abstract
Metal halide perovskites possess unique atomic and electronic configurations that endow them with high defect tolerance and enable high-performance photovoltaics and optoelectronics. Perovskite light-emitting diodes have achieved an external quantum efficiency of over 20%. Despite tremendous progress, fundamental questions remain, such as how structural distortion affects the optical properties. Addressing their relationships is considerably challenging due to the scarcity of effective diagnostic tools during structural and property tuning as well as the limited tunability achievable by conventional methods. Here, using pressure and chemical methods to regulate the metal off-centering distortion, we demonstrate the giant tunability of photoluminescence (PL) in both the intensity (>20 times) and wavelength (>180 nm/GPa) in the highly distorted halide perovskites [CH3NH3GeI3, HC(NH2)2GeI3, and CsGeI3]. Using advanced in situ high-pressure probes and first-principles calculations, we quantitatively reveal a universal relationship whereby regulating the level of off-centering distortion towards 0.2 leads to the best PL performance in the halide perovskites. By applying this principle, intense PL can still be induced by substituting CH3NH3+ with Cs+ to control the distortion in (CH3NH3)1-xCsxGeI3, where the chemical substitution plays a similar role as external pressure. The compression of a fully substituted sample of CsGeI3 further tunes the distortion to the optimal value at 0.7 GPa, which maximizes the emission with a 10-fold enhancement. This work not only demonstrates a quantitative relationship between structural distortion and PL property of the halide perovskites but also illustrates the use of knowledge gained from high-pressure research to achieve the desired properties by ambient methods.
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Affiliation(s)
- Xujie Lü
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai 201203, China
| | - Constantinos Stoumpos
- Department of Chemistry, Northwestern University, Evanston, IL 60208, USA
- Department of Materials Science and Technology, Voutes Campus, University of Crete, Heraklion GR-70013, Greece
| | - Qingyang Hu
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai 201203, China
| | - Xuedan Ma
- Center for Nanoscale Materials, Argonne National Laboratory, Lemont, IL 60439, USA
| | - Dongzhou Zhang
- Partnership for Extreme Crystallography, University of Hawaii at Manoa, Honolulu, HI 96822, USA
| | - Songhao Guo
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai 201203, China
| | - Justin Hoffman
- Department of Chemistry, Northwestern University, Evanston, IL 60208, USA
| | - Kejun Bu
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai 201203, China
| | - Xiaofeng Guo
- Department of Chemistry and Alexandra Navrotsky Institute for Experimental Thermodynamics, Washington State University, Pullman, WA 99164, USA
| | - Yingqi Wang
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai 201203, China
| | - Cheng Ji
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai 201203, China
| | - Haijie Chen
- Department of Chemistry, Northwestern University, Evanston, IL 60208, USA
| | - Hongwu Xu
- Earth and Environmental Sciences Division, Los Alamos National Laboratory, Los Alamos, NM 87545, USA
| | - Quanxi Jia
- Department of Materials Design and Innovation, University at Buffalo—The State University of New York, Buffalo, NY 14260, USA
| | - Wenge Yang
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai 201203, China
| | | | - Ho-Kwang Mao
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai 201203, China
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27
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Bu K, Luo H, Guo S, Li M, Wang D, Dong H, Ding Y, Yang W, Lü X. Pressure-Regulated Dynamic Stereochemical Role of Lone-Pair Electrons in Layered Bi 2O 2S. J Phys Chem Lett 2020; 11:9702-9707. [PMID: 33136390 DOI: 10.1021/acs.jpclett.0c02893] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Lone-pair electrons (LPEs) ns2 in subvalent 14 and 15 groups lead to highly anharmonic lattice and strong distortion polarization, which are responsible for the groups' outstanding thermoelectric and optoelectronic properties. However, their dynamic stereochemical role in structural and physical properties is still unclear. Here, by introducing pressure to tune the behavior of LPEs, we systematically investigate the lone-pair stereochemical role in a Bi2O2S. The gradually suppressed LPEs during compression show a nonlinear repulsive electrostatic force, resulting in two anisotropic structural transitions. An orthorhombic-to-tetragonal phase transition happens at 6.4 GPa, caused by the dynamic cation centering. This structural transformation effectively modulates the optoelectronic properties. Further compression beyond 13.2 GPa induces a 2D-to-3D structural transition due to the disappearance of the Bi-6s2 LPEs. Therefore, the pressure-induced LPE reconfiguration dominates these anomalous variations of lattice, electronic, and optical properties. Our findings provide new insights into the materials optimization by regulating the characters of LPEs.
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Affiliation(s)
- Kejun Bu
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), 1690 Cailun Road, Shanghai 201203, P. R. China
| | - Hui Luo
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), 1690 Cailun Road, Shanghai 201203, P. R. China
| | - Songhao Guo
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), 1690 Cailun Road, Shanghai 201203, P. R. China
| | - Mei Li
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), 1690 Cailun Road, Shanghai 201203, P. R. China
| | - Dong Wang
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), 1690 Cailun Road, Shanghai 201203, P. R. China
| | - Hongliang Dong
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), 1690 Cailun Road, Shanghai 201203, P. R. China
| | - Yang Ding
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), 1690 Cailun Road, Shanghai 201203, P. R. China
| | - Wenge Yang
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), 1690 Cailun Road, Shanghai 201203, P. R. China
| | - Xujie Lü
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), 1690 Cailun Road, Shanghai 201203, P. R. China
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28
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Wang Y, Guo S, Luo H, Zhou C, Lin H, Ma X, Hu Q, Du MH, Ma B, Yang W, Lü X. Reaching 90% Photoluminescence Quantum Yield in One-Dimensional Metal Halide C4N2H14PbBr4 by Pressure-Suppressed Nonradiative Loss. J Am Chem Soc 2020; 142:16001-16006. [DOI: 10.1021/jacs.0c07166] [Citation(s) in RCA: 53] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Yingqi Wang
- Center for High Pressure Science & Technology Advanced Research, Shanghai 201203, China
| | - Songhao Guo
- Center for High Pressure Science & Technology Advanced Research, Shanghai 201203, China
| | - Hui Luo
- Center for High Pressure Science & Technology Advanced Research, Shanghai 201203, China
| | - Chenkun Zhou
- Department of Chemical and Biomedical Engineering, FAMU-FSU College of Engineering, Florida State University, Tallahassee, Florida 32310, United States
| | - Haoran Lin
- Department of Chemistry and Biochemistry, Florida State University, Tallahassee, Florida 32306, United States
| | - Xuedan Ma
- Center for Nanoscale Materials, Argonne National Laboratory, Lemont, Illinois 60439, United States
| | - Qingyang Hu
- Center for High Pressure Science & Technology Advanced Research, Shanghai 201203, China
| | - Mao-hua Du
- Materials Science and Technology Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, United States
| | - Biwu Ma
- Department of Chemical and Biomedical Engineering, FAMU-FSU College of Engineering, Florida State University, Tallahassee, Florida 32310, United States
- Department of Chemistry and Biochemistry, Florida State University, Tallahassee, Florida 32306, United States
| | - Wenge Yang
- Center for High Pressure Science & Technology Advanced Research, Shanghai 201203, China
| | - Xujie Lü
- Center for High Pressure Science & Technology Advanced Research, Shanghai 201203, China
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29
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Yan H, Aizhan R, Lu YY, Li X, Wang X, Yi YL, Shan YY, Liu BF, Zhou Y, Lü X. A novel bacteriocin BM1029: physicochemical characterization, antibacterial modes and application. J Appl Microbiol 2020; 130:755-768. [PMID: 32749036 DOI: 10.1111/jam.14809] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2019] [Revised: 06/15/2020] [Accepted: 07/22/2020] [Indexed: 12/28/2022]
Abstract
AIM Bacteriocins with antimicrobial activity are considered as potential natural bio-preservatives to control the growth of food spoilage bacteria. The aim of this work was to characterize a novel bacteriocin BM1029 discovered from Lactobacillus crustorum MN047 and evaluate its antibacterial mechanism. METHODS AND RESULTS Bacteriocin BM1029 was purified by cation-exchange chromatography and reversed-phase chromatography. Antibacterial activity assay showed that BM1029 is antagonistic against both Gram-positive and Gram-negative bacteria. Furthermore, it was found that BM1029 showed low haemolysis with high stability to the pretreatment with different temperatures, pH and surfactants. Moreover electron microscopy and flow cytometry suggested that BM1029 inhibit indicator strains by damaging the cell envelope integrity. Cell cycle assay suggested that BM1029 arrested cell cycle in R-phase. CONCLUSION The novel bacteriocin BM1029 showed high bactericidal activity against Escherichia coli and Staphylococcus aureus through a cell envelope-associated mechanism. SIGNIFICANCE AND IMPACT OF THE STUDY Application of BM1029 inhibited the growth of indicator strains on beef meat storage at 4°C suggesting that this bacteriocin is promising to be used as a novel preservative in food processing and preservation.
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Affiliation(s)
- H Yan
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi Province, China
| | - R Aizhan
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi Province, China
| | - Y Y Lu
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi Province, China
| | - X Li
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi Province, China
| | - X Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi Province, China
| | - Y L Yi
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi Province, China
| | - Y Y Shan
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi Province, China
| | - B F Liu
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi Province, China
| | - Y Zhou
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi Province, China
| | - X Lü
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi Province, China
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30
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Guo S, Zhao Y, Bu K, Fu Y, Luo H, Chen M, Hautzinger MP, Wang Y, Jin S, Yang W, Lü X. Pressure‐Suppressed Carrier Trapping Leads to Enhanced Emission in Two‐Dimensional Perovskite (HA)
2
(GA)Pb
2
I
7. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202001635] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Songhao Guo
- Center for High Pressure Science and Technology Advanced Research (HPSTAR) Shanghai 201203 P. R. China
| | - Yongsheng Zhao
- Center for High Pressure Science and Technology Advanced Research (HPSTAR) Shanghai 201203 P. R. China
| | - Kejun Bu
- Center for High Pressure Science and Technology Advanced Research (HPSTAR) Shanghai 201203 P. R. China
| | - Yongping Fu
- Department of Chemistry University of Wisconsin-Madison Madison WI 53706 USA
| | - Hui Luo
- Center for High Pressure Science and Technology Advanced Research (HPSTAR) Shanghai 201203 P. R. China
| | - Mengting Chen
- Center for High Pressure Science and Technology Advanced Research (HPSTAR) Shanghai 201203 P. R. China
| | | | - Yingqi Wang
- Center for High Pressure Science and Technology Advanced Research (HPSTAR) Shanghai 201203 P. R. China
| | - Song Jin
- Department of Chemistry University of Wisconsin-Madison Madison WI 53706 USA
| | - Wenge Yang
- Center for High Pressure Science and Technology Advanced Research (HPSTAR) Shanghai 201203 P. R. China
| | - Xujie Lü
- Center for High Pressure Science and Technology Advanced Research (HPSTAR) Shanghai 201203 P. R. China
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31
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Guo S, Zhao Y, Bu K, Fu Y, Luo H, Chen M, Hautzinger MP, Wang Y, Jin S, Yang W, Lü X. Pressure-Suppressed Carrier Trapping Leads to Enhanced Emission in Two-Dimensional Perovskite (HA) 2 (GA)Pb 2 I 7. Angew Chem Int Ed Engl 2020; 59:17533-17539. [PMID: 32627251 DOI: 10.1002/anie.202001635] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Revised: 05/13/2020] [Indexed: 01/30/2023]
Abstract
A remarkable PL enhancement by 12 fold is achieved using pressure to modulate the structure of a recently developed 2D perovskite (HA)2 (GA)Pb2 I7 (HA=n-hexylammonium, GA=guanidinium). This structure features a previously unattainable, extremely large cage. In situ structural, spectroscopic, and theoretical analyses reveal that lattice compression under a mild pressure within 1.6 GPa considerably suppresses the carrier trapping, leading to significantly enhanced emission. Further pressurization induces a non-luminescent amorphous yellow phase, which is retained and exhibits a continuously increasing band gap during decompression. When the pressure is released to 1.5 GPa, emission can be triggered by above-band gap laser irradiation, accompanied by a color change from yellow to orange. The obtained orange phase could be retained at ambient conditions and exhibits two-fold higher PL emission compared with the pristine (HA)2 (GA)Pb2 I7 .
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Affiliation(s)
- Songhao Guo
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai, 201203, P. R. China
| | - Yongsheng Zhao
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai, 201203, P. R. China
| | - Kejun Bu
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai, 201203, P. R. China
| | - Yongping Fu
- Department of Chemistry, University of Wisconsin-Madison, Madison, WI, 53706, USA
| | - Hui Luo
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai, 201203, P. R. China
| | - Mengting Chen
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai, 201203, P. R. China
| | - Matthew P Hautzinger
- Department of Chemistry, University of Wisconsin-Madison, Madison, WI, 53706, USA
| | - Yingqi Wang
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai, 201203, P. R. China
| | - Song Jin
- Department of Chemistry, University of Wisconsin-Madison, Madison, WI, 53706, USA
| | - Wenge Yang
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai, 201203, P. R. China
| | - Xujie Lü
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai, 201203, P. R. China
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32
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Wang Y, Zhang H, Zhu J, Lü X, Li S, Zou R, Zhao Y. Antiperovskites with Exceptional Functionalities. Adv Mater 2020; 32:e1905007. [PMID: 31814165 DOI: 10.1002/adma.201905007] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2019] [Revised: 10/12/2019] [Indexed: 06/10/2023]
Abstract
ABX3 perovskites, as the largest family of crystalline materials, have attracted tremendous research interest worldwide due to their versatile multifunctionalities and the intriguing scientific principles underlying them. Their counterparts, antiperovskites (X3 BA), are actually electronically inverted perovskite derivatives, but they are not an ignorable family of functional materials. In fact, inheriting the flexible structural features of perovskites while being rich in cations at X sites, antiperovskites exhibit a diverse array of unconventional physical and chemical properties. However, rather less attention has been paid to these "inverse" analogs, and therefore, a comprehensive review is urgently needed to arouse general concern. Recent advances in novel antiperovskite materials and their exceptional functionalities are summarized, including superionic conductivity, superconductivity, giant magnetoresistance, negative thermal expansion, luminescence, and electrochemical energy conversion. In particular, considering the feasibility of the perovskite structure, a universal strategy for enhancing the performance of or generating new phenomena in antiperovskites is discussed from the perspective of solid-state chemistry. With more research enthusiasm, antiperovskites are highly anticipated to become a rising star family of functional materials.
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Affiliation(s)
- Yonggang Wang
- Beijing Key Lab of Advanced Battery Materials, Department of Materials Science and Engineering, College of Engineering, Peking University, Beijing, 100871, China
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Beijing, 100094, China
| | - Hao Zhang
- Beijing Key Lab of Advanced Battery Materials, Department of Materials Science and Engineering, College of Engineering, Peking University, Beijing, 100871, China
| | - Jinlong Zhu
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Beijing, 100094, China
| | - Xujie Lü
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Beijing, 100094, China
| | - Shuai Li
- Academy for Advanced Interdisciplinary Studies, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Ruqiang Zou
- Beijing Key Lab of Advanced Battery Materials, Department of Materials Science and Engineering, College of Engineering, Peking University, Beijing, 100871, China
| | - Yusheng Zhao
- Academy for Advanced Interdisciplinary Studies, Southern University of Science and Technology, Shenzhen, 518055, China
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33
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Alam T, Wienold M, Lü X, Biermann K, Schrottke L, Grahn HT, Hübers HW. Frequency and power stabilization of a terahertz quantum-cascade laser using near-infrared optical excitation. Opt Express 2019; 27:36846-36854. [PMID: 31873456 DOI: 10.1364/oe.27.036846] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2019] [Accepted: 11/07/2019] [Indexed: 06/10/2023]
Abstract
We demonstrate a technique to simultaneously stabilize the frequency and output power of a terahertz quantum-cascade laser (QCL). This technique exploits frequency and power variations upon near-infrared illumination of the QCL with a diode laser. It does not require an external terahertz optical modulator. By locking the frequency to a molecular absorption line, we obtain a long-term (one-hour) linewidth of 260 kHz (full width at half maximum) and a root-mean-square power stability below 0.03%. With respect to the free-running case, this stabilization scheme improves the frequency stability by nearly two orders of magnitude and the power stability by a factor of three.
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34
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Lü X, Chen A, Dai Y, Wei B, Xu H, Wen J, Li N, Luo Y, Gao X, Enriquez E, Wang Z, Dowden P, Yang W, Zhao Y, Jia Q. Metallic interface induced by electronic reconstruction in crystalline-amorphous bilayer oxide films. Sci Bull (Beijing) 2019; 64:1567-1572. [PMID: 36659567 DOI: 10.1016/j.scib.2019.08.026] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2019] [Revised: 07/13/2019] [Accepted: 08/08/2019] [Indexed: 01/21/2023]
Affiliation(s)
- Xujie Lü
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai 201203, China.
| | - Aiping Chen
- Center for Integrated Nanotechnologies, Los Alamos National Laboratory, Los Alamos, NM 87545, USA
| | - Yaomin Dai
- Center for Superconducting Physics and Materials, National Laboratory of Solid State Microstructures and Department of Physics, Nanjing University, Nanjing 210093, China
| | - Bin Wei
- Department of Quantum Materials Science and Technology, International Iberian Nanotechnology Laboratory (INL), Av. Mestre José Veiga s/n, Braga 4715-330, Portugal
| | - Hongwu Xu
- Earth and Environmental Sciences Division, Los Alamos National Laboratory, Los Alamos, NM 87545, USA
| | - Jianguo Wen
- Center for Nanoscale Materials, Argonne National Laboratory, Lemont, IL 60439, USA
| | - Nan Li
- Center for Integrated Nanotechnologies, Los Alamos National Laboratory, Los Alamos, NM 87545, USA
| | - Yongkang Luo
- Wuhan National High Magnetic Field Center and School of Physics, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Xiang Gao
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai 201203, China
| | - Erik Enriquez
- Center for Integrated Nanotechnologies, Los Alamos National Laboratory, Los Alamos, NM 87545, USA
| | - Zhongchang Wang
- Department of Quantum Materials Science and Technology, International Iberian Nanotechnology Laboratory (INL), Av. Mestre José Veiga s/n, Braga 4715-330, Portugal
| | - Paul Dowden
- Center for Integrated Nanotechnologies, Los Alamos National Laboratory, Los Alamos, NM 87545, USA
| | - Wenge Yang
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai 201203, China
| | - Yusheng Zhao
- Department of Physics and Academy for Advanced Interdisciplinary Studies, Southern University of Science and Technology, Shenzhen 518055, China
| | - Quanxi Jia
- Department of Materials Design and Innovation, University at Buffalo, The State University of New York, Buffalo, NY 14260, USA; Division of Quantum Phases and Devices, Department of Physics, Konkuk University, Seoul 143-701, Republic of Korea.
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35
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Yang C, Chen J, Ji X, Pollard TP, Lü X, Sun CJ, Hou S, Liu Q, Liu C, Qing T, Wang Y, Borodin O, Ren Y, Xu K, Wang C. Author Correction: Aqueous Li-ion battery enabled by halogen conversion–intercalation chemistry in graphite. Nature 2019; 570:E65. [DOI: 10.1038/s41586-019-1281-5] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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36
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Wang Y, Lü X, Zheng C, Liu X, Chen Z, Yang W, Lin J, Huang F. Chemistry Design Towards a Stable Sulfide-Based Superionic Conductor Li 4 Cu 8 Ge 3 S 12. Angew Chem Int Ed Engl 2019; 58:7673-7677. [PMID: 30938003 PMCID: PMC6850061 DOI: 10.1002/anie.201901739] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2019] [Revised: 03/28/2019] [Indexed: 11/06/2022]
Abstract
Sulfide-based superionic conductors with high ionic conductivity have been explored as candidates for solid-state Li batteries. However, moisture hypersensitivity has made their manufacture complicated and costly and also impeded applications in batteries. Now, a sulfide-based superionic conductor Li4 Cu8 Ge3 S12 with superior stability was developed based on the hard/soft acid-base theory. The compound is stable in both moist air and aqueous LiOH aqueous solution. The electrochemical stability window was up to 1.5 V. An ionic conductivity of 0.9×10-4 S cm with low activation energy of 0.33 eV was achieved without any optimization. The material features a rigid Cu-Ge-S open framework that increases its stability. Meanwhile, the weak bonding between Li+ and the framework promotes ionic conductivity. This work provides a structural configuration in which weak Li bonding in the rigid framework promotes an environment for highly conductive and stable solid-state electrolytes.
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Affiliation(s)
- Yingqi Wang
- Center for High Pressure Science & Technology Advanced Research, Shanghai, 206203, P. R. China
| | - Xujie Lü
- Center for High Pressure Science & Technology Advanced Research, Shanghai, 206203, P. R. China
| | - Chong Zheng
- Department of Chemistry and Biochemistry, Northern Illinois University, DeKalb, IL, 60115, USA
| | - Xiang Liu
- Chemical Sciences and Engineering Division, Argonne National Laboratory, Lemont, IL, 60439, USA
| | - Zonghai Chen
- Chemical Sciences and Engineering Division, Argonne National Laboratory, Lemont, IL, 60439, USA
| | - Wenge Yang
- Center for High Pressure Science & Technology Advanced Research, Shanghai, 206203, P. R. China
| | - Jianhua Lin
- State Key Laboratory of Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, P. R. China
| | - Fuqiang Huang
- State Key Laboratory of Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, P. R. China
- CAS Key Laboratory of Materials for Energy Conversion, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 200050, P. R. China
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37
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Wang Y, Lü X, Zheng C, Liu X, Chen Z, Yang W, Lin J, Huang F. Chemistry Design Towards a Stable Sulfide‐Based Superionic Conductor Li
4
Cu
8
Ge
3
S
12. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201901739] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Yingqi Wang
- Center for High Pressure Science & Technology Advanced Research Shanghai 206203 P. R. China
| | - Xujie Lü
- Center for High Pressure Science & Technology Advanced Research Shanghai 206203 P. R. China
| | - Chong Zheng
- Department of Chemistry and Biochemistry Northern Illinois University DeKalb IL 60115 USA
| | - Xiang Liu
- Chemical Sciences and Engineering Division Argonne National Laboratory Lemont IL 60439 USA
| | - Zonghai Chen
- Chemical Sciences and Engineering Division Argonne National Laboratory Lemont IL 60439 USA
| | - Wenge Yang
- Center for High Pressure Science & Technology Advanced Research Shanghai 206203 P. R. China
| | - Jianhua Lin
- State Key Laboratory of Rare Earth Materials Chemistry and Applications College of Chemistry and Molecular Engineering Peking University Beijing 100871 P. R. China
| | - Fuqiang Huang
- State Key Laboratory of Rare Earth Materials Chemistry and Applications College of Chemistry and Molecular Engineering Peking University Beijing 100871 P. R. China
- CAS Key Laboratory of Materials for Energy Conversion Shanghai Institute of Ceramics Chinese Academy of Sciences Shanghai 200050 P. R. China
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38
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Lü X, Luo T, Liu L, Zhou H, Meng J. [Clinical features of primary tracheobronchial pulmonary amyloidosis]. Zhonghua Yi Xue Za Zhi 2019; 99:918-922. [PMID: 30917441 DOI: 10.3760/cma.j.issn.0376-2491.2019.12.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To analyze the clinical features of primary tracheobronchial pulmonary amyloidosis (PTBA). Methods: The records of 11 patients with PTBA diagnosed by pathology from January 2002 to June 2018 in Xiangya Hospital of Central South University were retrospectively reviewed, including clinical manifestations, laboratory and imaging examination, bronchoscopic manifestations and therapies. Meanwhile, PTBA was staged based on the severity and extent of lesion under bronchoscopy. Results: The most common clinical symptoms were cough and expectoration followed by shortness of breath and hemoptysis. Chest computed tomography (CT) revealed pulmonary infection (4/11), pulmonary nodules and masses (5/11), interstitial lesions (2/11), tracheal bronchial wall thickening (5/11) or airway stenosis (4/11). Bronchoscopy showed mucosal hypertrophy (8/11), nodular bulge (3/11), and luminal stenosis (6/11). According to the lesion involvement, 1 case only involved the lungs, 10 cases involved the trachea and/or bronchus, with (8/10) or without (2/10) lung lesions. According to the bronchoscopic staging, 2 cases (2/10) in the stage Ⅰ, lesions were limited; 2 cases (2/10) in the stage Ⅱ, lesions were diffuse; 6 cases (6/10) in the stage Ⅲ, diffuse lesions with stenosis. Conclusions: PTBA is a rare disease of the respiratory system, with unspecific clinical manifestations and diverse pulmonary imaging findings; airway mucosal hypertrophy and nodular bulging can be seen under bronchoscopy. Patients with advanced stage may present with airway stenosis.
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Affiliation(s)
- X Lü
- Department of Respiratory and Critical Care Medicine, National Clinical Research Center for Respiratory Disease, Xiangya Hospital, Central South University, Changsha 410000, China
| | - T Luo
- Department of Respiratory and Critical Care Medicine, National Clinical Research Center for Respiratory Disease, Xiangya Hospital, Central South University, Changsha 410000, China (is working in the Department of Respiratory Medicine, Central Hospital of Shaoyang, Shaoyang 422000, China)
| | - L Liu
- Department of Respiratory and Critical Care Medicine, National Clinical Research Center for Respiratory Disease, Xiangya Hospital, Central South University, Changsha 410000, China (is working in the Department of Respiratory Medicine, Hunan Provincial General Team Hospital of Armed Police, Changsha 410000, China)
| | - H Zhou
- Department of Radiology, Xiangya Hospital, Central South University, Changsha 410000, China
| | - J Meng
- Department of Respiratory and Critical Care Medicine, National Clinical Research Center for Respiratory Disease, Xiangya Hospital, Central South University, Changsha 410000, China
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39
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Alam T, Wienold M, Lü X, Biermann K, Schrottke L, Grahn HT, Hübers HW. Wideband, high-resolution terahertz spectroscopy by light-induced frequency tuning of quantum-cascade lasers. Opt Express 2019; 27:5420-5432. [PMID: 30876146 DOI: 10.1364/oe.27.005420] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/06/2018] [Accepted: 01/04/2019] [Indexed: 06/09/2023]
Abstract
Near-infrared optical excitation enables wideband frequency tuning of terahertz quantum-cascade lasers. In this work, we demonstrate the feasibility of the approach for molecular laser absorption spectroscopy. We present a physical model which explains the observed frequency tuning characteristics by the optical excitation of an electron-hole plasma. Due to an improved excitation configuration as compared to previous work, we observe a single-mode continuous-wave frequency coverage of as much as 40 GHz for a laser at 3.1 THz. This represents, for the same device, a ten-fold improvement over the usually employed tuning by current. The method can be readily applied to a large class of devices.
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40
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Yang CX, Wang T, Gao LN, Yin HJ, Lü X. Isolation, identification and characterization of lignin-degrading bacteria from Qinling, China. J Appl Microbiol 2017; 123:1447-1460. [PMID: 28801977 DOI: 10.1111/jam.13562] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2017] [Revised: 07/19/2017] [Accepted: 08/01/2017] [Indexed: 11/30/2022]
Abstract
AIMS Lignin is an aromatic heteropolymer forming a physical barrier and it is a big challenge in biomass utilization. This paper first investigated lignin-degradation bacteria from rotten wood in Qinling Mountain. METHODS AND RESULTS Nineteen potential strains were selected and ligninolytic enzyme activities were determined over 84 h. Strains that had higher enzyme activities were selected. Further, the biodegradation of wheat straw lignin and alkali lignin was evaluated indicating that Burkholderia sp. H1 had the highest capability. It was confirmed by gel permeation chromatography and field emission scanning electron microscope that alkali lignin was depolymerized into small fragments. The degraded products were analysed using gas chromatography-mass spectrometry. The total ion chromatograph of products treated for 7 days showed the formation of aromatic compounds, an important intermediate from lignin degradation. Interestingly, they disappeared in 15 days while the aldehyde and ester compounds increased. CONCLUSIONS The results suggest that the lignin-degrading bacteria are abundant in rotten wood and strain H1 has high potential to break down lignin. SIGNIFICANCE AND IMPACT OF THE STUDY The diversity of lignin-degrading bacteria in Qinling Mountain is revealed. The study of Burkholderia sp. H1 expands the range of bacteria for lignin degradation and provides novel bacteria for application to lignocellulosic biomass.
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Affiliation(s)
- C-X Yang
- College of Food Science and Engineering, Northwest A&F University, Yangling District, Shaanxi Province, China
| | - T Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling District, Shaanxi Province, China
| | - L-N Gao
- College of Food Science and Engineering, Northwest A&F University, Yangling District, Shaanxi Province, China
| | - H-J Yin
- College of Food Science and Engineering, Northwest A&F University, Yangling District, Shaanxi Province, China
| | - X Lü
- College of Food Science and Engineering, Northwest A&F University, Yangling District, Shaanxi Province, China
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41
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Lü X, Yang W, Jia Q, Xu H. Pressure-induced dramatic changes in organic-inorganic halide perovskites. Chem Sci 2017; 8:6764-6776. [PMID: 29147500 PMCID: PMC5643890 DOI: 10.1039/c7sc01845b] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2017] [Accepted: 08/28/2017] [Indexed: 12/19/2022] Open
Abstract
Organic-inorganic halide perovskites have emerged as a promising family of functional materials for advanced photovoltaic and optoelectronic applications with high performances and low costs. Various chemical methods and processing approaches have been employed to modify the compositions, structures, morphologies, and electronic properties of hybrid perovskites. However, challenges still remain in terms of their stability, the use of environmentally unfriendly chemicals, and the lack of an insightful understanding into structure-property relationships. Alternatively, pressure, a fundamental thermodynamic parameter that can significantly alter the atomic and electronic structures of functional materials, has been widely utilized to further our understanding of structure-property relationships, and also to enable emergent or enhanced properties of given materials. In this perspective, we describe the recent progress of high-pressure research on hybrid perovskites, particularly regarding pressure-induced novel phenomena and pressure-enhanced properties. We discuss the effect of pressure on structures and properties, their relationships and the underlying mechanisms. Finally, we give an outlook on future research avenues in which high pressure and related alternative methods such as chemical tailoring and interfacial engineering may lead to novel hybrid perovskites uniquely suited for high-performance energy applications.
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Affiliation(s)
- Xujie Lü
- Los Alamos National Laboratory , Los Alamos , NM 87545 , USA . ;
| | - Wenge Yang
- Center for High Pressure Science and Technology Advanced Research , Shanghai 201203 , China
| | - Quanxi Jia
- Los Alamos National Laboratory , Los Alamos , NM 87545 , USA . ; .,Department of Materials Design and Innovation , University at Buffalo - The State University of New York , Buffalo , NY 14260 , USA .
| | - Hongwu Xu
- Los Alamos National Laboratory , Los Alamos , NM 87545 , USA . ;
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42
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Chen A, Wang Q, Fitzsimmons MR, Enriquez E, Weigand M, Harrell Z, McFarland B, Lü X, Dowden P, MacManus-Driscoll JL, Yarotski D, Jia Q. Hidden Interface Driven Exchange Coupling in Oxide Heterostructures. Adv Mater 2017; 29:1700672. [PMID: 28464394 DOI: 10.1002/adma.201700672] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/02/2017] [Revised: 03/15/2017] [Indexed: 06/07/2023]
Abstract
A variety of emergent phenomena have been enabled by interface engineering in complex oxides. The existence of an intrinsic interfacial layer has often been found at oxide heterointerfaces. However, the role of such an interlayerin controlling functionalities is not fully explored. Here, we report the control of the exchange bias (EB) in single-phase manganite thin films with nominallyuniform chemical composition across the interfaces. The sign of EB depends on the magnitude of the cooling field. A pinned layer, confirmed by polarized neutron reflectometry, provides the source of unidirectional anisotropy. The origin of the exchange bias coupling is discussed in terms of magnetic interactions between the interfacial ferromagnetically reduced layer and the bulk ferromagnetic region. The sign of EB is related to the frustration of antiferromagnetic coupling between the ferromagnetic region and the pinned layer. Our results shed new light on using oxide interfaces to design functional spintronic devices.
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Affiliation(s)
- Aiping Chen
- Center for Integrated Nanotechnologies (CINT), Los Alamos National Laboratory, Los Alamos, NM, 87545, USA
| | - Qiang Wang
- Materials Science Division, Argonne National Laboratory, Argonne, IL, 60439, USA
- Department of Physics and Astronomy, West Virginia University, Morgantown, WV, 26506, USA
| | - Michael R Fitzsimmons
- Quantum Condensed Matter Division, Oak Ridge National Laboratory, Oak Ridge, TN, 37831, USA
- Department of Physics and Astronomy, University of Tennessee, Knoxville, TN, 37996, USA
| | - Erik Enriquez
- Center for Integrated Nanotechnologies (CINT), Los Alamos National Laboratory, Los Alamos, NM, 87545, USA
| | - Marcus Weigand
- Center for Integrated Nanotechnologies (CINT), Los Alamos National Laboratory, Los Alamos, NM, 87545, USA
| | - Zach Harrell
- Center for Integrated Nanotechnologies (CINT), Los Alamos National Laboratory, Los Alamos, NM, 87545, USA
| | - Brian McFarland
- Center for Integrated Nanotechnologies (CINT), Los Alamos National Laboratory, Los Alamos, NM, 87545, USA
| | - Xujie Lü
- Center for Integrated Nanotechnologies (CINT), Los Alamos National Laboratory, Los Alamos, NM, 87545, USA
| | - Paul Dowden
- Center for Integrated Nanotechnologies (CINT), Los Alamos National Laboratory, Los Alamos, NM, 87545, USA
| | | | - Dmitry Yarotski
- Center for Integrated Nanotechnologies (CINT), Los Alamos National Laboratory, Los Alamos, NM, 87545, USA
| | - Quanxi Jia
- Center for Integrated Nanotechnologies (CINT), Los Alamos National Laboratory, Los Alamos, NM, 87545, USA
- Department of Materials Design and Innovation, University at Buffalo - The State University of New York, Buffalo, NY, 14260, USA
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43
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Affiliation(s)
- Leigang Xue
- Materials
Science and Engineering Program and Texas Materials Institute, The University of Texas at Austin, Austin, Texas 78712, United States
| | - Yutao Li
- Materials
Science and Engineering Program and Texas Materials Institute, The University of Texas at Austin, Austin, Texas 78712, United States
| | - Hongcai Gao
- Materials
Science and Engineering Program and Texas Materials Institute, The University of Texas at Austin, Austin, Texas 78712, United States
| | - Weidong Zhou
- Materials
Science and Engineering Program and Texas Materials Institute, The University of Texas at Austin, Austin, Texas 78712, United States
| | - Xujie Lü
- Earth
and Environmental Sciences Division, Los Alamos National Laboratory, Los
Alamos, New Mexico 87545, United States
| | - Watchareeya Kaveevivitchai
- Materials
Science and Engineering Program and Texas Materials Institute, The University of Texas at Austin, Austin, Texas 78712, United States
| | - Arumugam Manthiram
- Materials
Science and Engineering Program and Texas Materials Institute, The University of Texas at Austin, Austin, Texas 78712, United States
| | - John B. Goodenough
- Materials
Science and Engineering Program and Texas Materials Institute, The University of Texas at Austin, Austin, Texas 78712, United States
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44
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Zhou W, Xue L, Lü X, Gao H, Li Y, Xin S, Fu G, Cui Z, Zhu Y, Goodenough JB. Na xMV(PO 4) 3 (M = Mn, Fe, Ni) Structure and Properties for Sodium Extraction. Nano Lett 2016; 16:7836-7841. [PMID: 27960482 DOI: 10.1021/acs.nanolett.6b04044] [Citation(s) in RCA: 65] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
NASICON (Na+ super ionic conductor) structures of NaxMV(PO4)3 (M = Mn, Fe, Ni) were prepared, characterized by aberration-corrected STEM and synchrotron radiation, and demonstrated to be durable cathode materials for rechargeable sodium-ion batteries. In Na4MnV(PO4)3, two redox couples of Mn3+/Mn2+ and V4+/V3+ are accessed with two voltage plateaus located at 3.6 and 3.3 V and a capacity of 101 mAh g-1 at 1 C. Furthermore, the Na4MnV(PO4)3 cathode delivers a high initial efficiency of 97%, long durability over 1000 cycles, and good rate performance to 10 C. The robust framework structure and stable electrochemical performance makes it a reliable cathode materials for sodium-ion batteries.
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Affiliation(s)
- Weidong Zhou
- Texas Materials Institute, The University of Texas at Austin , Austin, Texas 78712, United States
| | - Leigang Xue
- Texas Materials Institute, The University of Texas at Austin , Austin, Texas 78712, United States
| | - Xujie Lü
- Earth and Environmental Sciences Division, Los Alamos National Laboratory , Los Alamos, New Mexico 87545, United States
| | - Hongcai Gao
- Texas Materials Institute, The University of Texas at Austin , Austin, Texas 78712, United States
| | - Yutao Li
- Texas Materials Institute, The University of Texas at Austin , Austin, Texas 78712, United States
| | - Sen Xin
- Texas Materials Institute, The University of Texas at Austin , Austin, Texas 78712, United States
| | - Gengtao Fu
- Texas Materials Institute, The University of Texas at Austin , Austin, Texas 78712, United States
| | - Zhiming Cui
- Texas Materials Institute, The University of Texas at Austin , Austin, Texas 78712, United States
| | - Ye Zhu
- Department of Applied Physics, The Hong Kong Polytechnic University , Kowloon, Hong Kong
| | - John B Goodenough
- Texas Materials Institute, The University of Texas at Austin , Austin, Texas 78712, United States
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45
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Li Y, Xu B, Xu H, Duan H, Lü X, Xin S, Zhou W, Xue L, Fu G, Manthiram A, Goodenough JB. Hybrid Polymer/Garnet Electrolyte with a Small Interfacial Resistance for Lithium‐Ion Batteries. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201608924] [Citation(s) in RCA: 65] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Yutao Li
- Materials Science and Engineering Program and Texas Materials Institute University of Texas at Austin Austin TX 78712 USA
| | - Biyi Xu
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering Shanghai Jiao Tong University Shanghai 200240 P.R. China
| | - Henghui Xu
- Materials Science and Engineering Program and Texas Materials Institute University of Texas at Austin Austin TX 78712 USA
| | - Huanan Duan
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering Shanghai Jiao Tong University Shanghai 200240 P.R. China
| | - Xujie Lü
- Earth and Environmental Sciences Division Los Alamos National Laboratory Los Alamos NM 87545 USA
| | - Sen Xin
- Materials Science and Engineering Program and Texas Materials Institute University of Texas at Austin Austin TX 78712 USA
| | - Weidong Zhou
- Materials Science and Engineering Program and Texas Materials Institute University of Texas at Austin Austin TX 78712 USA
| | - Leigang Xue
- Materials Science and Engineering Program and Texas Materials Institute University of Texas at Austin Austin TX 78712 USA
| | - Gengtao Fu
- Materials Science and Engineering Program and Texas Materials Institute University of Texas at Austin Austin TX 78712 USA
| | - Arumugam Manthiram
- Materials Science and Engineering Program and Texas Materials Institute University of Texas at Austin Austin TX 78712 USA
| | - John B. Goodenough
- Materials Science and Engineering Program and Texas Materials Institute University of Texas at Austin Austin TX 78712 USA
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46
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Li Y, Xu B, Xu H, Duan H, Lü X, Xin S, Zhou W, Xue L, Fu G, Manthiram A, Goodenough JB. Hybrid Polymer/Garnet Electrolyte with a Small Interfacial Resistance for Lithium‐Ion Batteries. Angew Chem Int Ed Engl 2016; 56:753-756. [DOI: 10.1002/anie.201608924] [Citation(s) in RCA: 361] [Impact Index Per Article: 45.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2016] [Revised: 11/14/2016] [Indexed: 01/17/2023]
Affiliation(s)
- Yutao Li
- Materials Science and Engineering Program and Texas Materials Institute University of Texas at Austin Austin TX 78712 USA
| | - Biyi Xu
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering Shanghai Jiao Tong University Shanghai 200240 P.R. China
| | - Henghui Xu
- Materials Science and Engineering Program and Texas Materials Institute University of Texas at Austin Austin TX 78712 USA
| | - Huanan Duan
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering Shanghai Jiao Tong University Shanghai 200240 P.R. China
| | - Xujie Lü
- Earth and Environmental Sciences Division Los Alamos National Laboratory Los Alamos NM 87545 USA
| | - Sen Xin
- Materials Science and Engineering Program and Texas Materials Institute University of Texas at Austin Austin TX 78712 USA
| | - Weidong Zhou
- Materials Science and Engineering Program and Texas Materials Institute University of Texas at Austin Austin TX 78712 USA
| | - Leigang Xue
- Materials Science and Engineering Program and Texas Materials Institute University of Texas at Austin Austin TX 78712 USA
| | - Gengtao Fu
- Materials Science and Engineering Program and Texas Materials Institute University of Texas at Austin Austin TX 78712 USA
| | - Arumugam Manthiram
- Materials Science and Engineering Program and Texas Materials Institute University of Texas at Austin Austin TX 78712 USA
| | - John B. Goodenough
- Materials Science and Engineering Program and Texas Materials Institute University of Texas at Austin Austin TX 78712 USA
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47
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Lü X, Wang Y, Stoumpos CC, Hu Q, Guo X, Chen H, Yang L, Smith JS, Yang W, Zhao Y, Xu H, Kanatzidis MG, Jia Q. Enhanced Structural Stability and Photo Responsiveness of CH 3 NH 3 SnI 3 Perovskite via Pressure-Induced Amorphization and Recrystallization. Adv Mater 2016; 28:8663-8668. [PMID: 27514760 DOI: 10.1002/adma.201600771] [Citation(s) in RCA: 78] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2016] [Revised: 07/07/2016] [Indexed: 05/18/2023]
Abstract
An organic-inorganic halide CH3 NH3 SnI3 perovskite with significantly improved structural stability is obtained via pressure-induced amorphization and recrystallization. In situ high-pressure resistance measurements reveal an increased electrical conductivity by 300% in the pressure-treated perovskite. Photocurrent measurements also reveal a substantial enhancement in visible-light responsiveness. The mechanism underlying the enhanced properties is shown to be associated with the pressure-induced structural modification.
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Affiliation(s)
- Xujie Lü
- Center for Integrated Nanotechnologies, Los Alamos National Laboratory, Los Alamos, NM, 87545, USA
- Earth and Environmental Sciences Division, Los Alamos National Laboratory, Los Alamos, NM, 87545, USA
| | - Yonggang Wang
- High Pressure Science and Engineering Center (HiPSEC), University of Nevada Las Vegas, Las Vegas, NV, 89154, USA
- High Pressure Synergetic Consortium (HPSynC), Carnegie Institution of Washington, Argonne, IL, 60439, USA
| | | | - Qingyang Hu
- Geophysical Laboratory, Carnegie Institution of Washington, Washington, DC, 20015, USA
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai, 201203, China
| | - Xiaofeng Guo
- Earth and Environmental Sciences Division, Los Alamos National Laboratory, Los Alamos, NM, 87545, USA
| | - Haijie Chen
- Department of Chemistry, Northwestern University, Evanston, IL, 60208, USA
| | - Liuxiang Yang
- High Pressure Synergetic Consortium (HPSynC), Carnegie Institution of Washington, Argonne, IL, 60439, USA
| | - Jesse S Smith
- High Pressure Collaborative Access Team (HPCAT), Carnegie Institution of Washington, Argonne, IL, 60439, USA
| | - Wenge Yang
- High Pressure Synergetic Consortium (HPSynC), Carnegie Institution of Washington, Argonne, IL, 60439, USA
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai, 201203, China
| | - Yusheng Zhao
- High Pressure Science and Engineering Center (HiPSEC), University of Nevada Las Vegas, Las Vegas, NV, 89154, USA.
- Department of Physics, Southern University of Science and Technology, Shenzhen, 518055, China.
| | - Hongwu Xu
- Earth and Environmental Sciences Division, Los Alamos National Laboratory, Los Alamos, NM, 87545, USA.
| | | | - Quanxi Jia
- Center for Integrated Nanotechnologies, Los Alamos National Laboratory, Los Alamos, NM, 87545, USA.
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48
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Lü X, Chen A, Luo Y, Lu P, Dai Y, Enriquez E, Dowden P, Xu H, Kotula PG, Azad AK, Yarotski DA, Prasankumar RP, Taylor AJ, Thompson JD, Jia Q. Conducting Interface in Oxide Homojunction: Understanding of Superior Properties in Black TiO2. Nano Lett 2016; 16:5751-5755. [PMID: 27482629 DOI: 10.1021/acs.nanolett.6b02454] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Black TiO2 nanoparticles with a crystalline core and amorphous-shell structure exhibit superior optoelectronic properties in comparison with pristine TiO2. The fundamental mechanisms underlying these enhancements, however, remain unclear, largely due to the inherent complexities and limitations of powder materials. Here, we fabricate TiO2 homojunction films consisting of an oxygen-deficient amorphous layer on top of a highly crystalline layer, to simulate the structural/functional configuration of black TiO2 nanoparticles. Metallic conduction is achieved at the crystalline-amorphous homointerface via electronic interface reconstruction, which we show to be the main reason for the enhanced electron transport of black TiO2. This work not only achieves an unprecedented understanding of black TiO2 but also provides a new perspective for investigating carrier generation and transport behavior at oxide interfaces, which are of tremendous fundamental and technological interest.
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Affiliation(s)
- Xujie Lü
- Materials Physics and Applications Division, Los Alamos National Laboratory , Los Alamos, New Mexico 87545, United States
- Earth and Environmental Sciences Division, Los Alamos National Laboratory , Los Alamos, New Mexico 87545, United States
| | - Aiping Chen
- Materials Physics and Applications Division, Los Alamos National Laboratory , Los Alamos, New Mexico 87545, United States
| | - Yongkang Luo
- Materials Physics and Applications Division, Los Alamos National Laboratory , Los Alamos, New Mexico 87545, United States
| | - Ping Lu
- Sandia National Laboratories , Albuquerque, New Mexico 87185, United States
| | - Yaomin Dai
- Materials Physics and Applications Division, Los Alamos National Laboratory , Los Alamos, New Mexico 87545, United States
| | - Erik Enriquez
- Materials Physics and Applications Division, Los Alamos National Laboratory , Los Alamos, New Mexico 87545, United States
| | - Paul Dowden
- Materials Physics and Applications Division, Los Alamos National Laboratory , Los Alamos, New Mexico 87545, United States
| | - Hongwu Xu
- Earth and Environmental Sciences Division, Los Alamos National Laboratory , Los Alamos, New Mexico 87545, United States
| | - Paul G Kotula
- Sandia National Laboratories , Albuquerque, New Mexico 87185, United States
| | - Abul K Azad
- Materials Physics and Applications Division, Los Alamos National Laboratory , Los Alamos, New Mexico 87545, United States
| | - Dmitry A Yarotski
- Materials Physics and Applications Division, Los Alamos National Laboratory , Los Alamos, New Mexico 87545, United States
| | - Rohit P Prasankumar
- Materials Physics and Applications Division, Los Alamos National Laboratory , Los Alamos, New Mexico 87545, United States
| | - Antoinette J Taylor
- Materials Physics and Applications Division, Los Alamos National Laboratory , Los Alamos, New Mexico 87545, United States
| | - Joe D Thompson
- Materials Physics and Applications Division, Los Alamos National Laboratory , Los Alamos, New Mexico 87545, United States
| | - Quanxi Jia
- Materials Physics and Applications Division, Los Alamos National Laboratory , Los Alamos, New Mexico 87545, United States
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49
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Lai X, Liu Y, Lü X, Zhang S, Bu K, Jin C, Zhang H, Lin J, Huang F. Suppression of superconductivity and structural phase transitions under pressure in tetragonal FeS. Sci Rep 2016; 6:31077. [PMID: 27498699 PMCID: PMC4976363 DOI: 10.1038/srep31077] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2016] [Accepted: 07/14/2016] [Indexed: 11/20/2022] Open
Abstract
Pressure is a powerful tool to study iron-based superconductors. Here, we report systematic high-pressure transport and structural characterizations of the newly discovered superconductor FeS. It is found that superconductor FeS (tetragonal) partly transforms to a hexagonal structure at 0.4 GPa, and then completely transforms to an orthorhombic phase at 7.4 GPa and finally to a monoclinic phase above 9.0 GPa. The superconducting transition temperature of tetragonal FeS was gradually depressed by pressure, different from the case in tetragonal FeSe. With pressure increasing, the S-Fe-S angles only slightly change but the anion height deviates farther from 1.38 Å. This change of anion height, together with the structural instability under pressure, should be closely related to the suppression of superconductivity. We also observed an anomalous metal-semiconductor transition at 6.0 GPa and an unusual increased resistance with further compression above 9.6 GPa. The former can be ascribed to the tetragonal-orthorhombic structural phase transition, and the latter to the electronic structure changes of the high-pressure monoclinic phase. Finally, a phase diagram of tetragonal FeS as functions of pressure and temperature was mapped out for the first time, which will shed new light on understanding of the structure and physics of the superconducting FeS.
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Affiliation(s)
- Xiaofang Lai
- Beijing National Laboratory for Molecular Sciences and State Key Laboratory of Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
| | - Ying Liu
- Beijing National Laboratory for Condensed Matter Physics and Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
| | - Xujie Lü
- Earth and Environmental Sciences Division and Materials Physics and Applications Division, Los Alamos National Laboratory, Los Alamos, NM 87545, United States
| | - Sijia Zhang
- Beijing National Laboratory for Condensed Matter Physics and Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
| | - Kejun Bu
- CAS Key Laboratory of Materials for Energy Conversion and State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China
| | - Changqing Jin
- Beijing National Laboratory for Condensed Matter Physics and Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China.,Collaborative Innovation Center of Quantum Matter, Beijing, China
| | - Hui Zhang
- CAS Key Laboratory of Materials for Energy Conversion and State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China
| | - Jianhua Lin
- Beijing National Laboratory for Molecular Sciences and State Key Laboratory of Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
| | - Fuqiang Huang
- Beijing National Laboratory for Molecular Sciences and State Key Laboratory of Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China.,CAS Key Laboratory of Materials for Energy Conversion and State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China
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Li Y, Zhou W, Xin S, Li S, Zhu J, Lü X, Cui Z, Jia Q, Zhou J, Zhao Y, Goodenough JB. Fluorine‐Doped Antiperovskite Electrolyte for All‐Solid‐State Lithium‐Ion Batteries. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201604554] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Yutao Li
- Materials research program and the Texas Materials Institute University of Texas at Austin Austin TX 78712 USA
| | - Weidong Zhou
- Materials research program and the Texas Materials Institute University of Texas at Austin Austin TX 78712 USA
| | - Sen Xin
- Materials research program and the Texas Materials Institute University of Texas at Austin Austin TX 78712 USA
- School of Chemistry and Chemical Engineering Hefei University of Technology Hefei Anhui 230009 P.R. China
| | - Shuai Li
- High Pressure Science and Engineering Center University of Nevada Las Vegas NV 89154 USA
| | - Jinlong Zhu
- High Pressure Science and Engineering Center University of Nevada Las Vegas NV 89154 USA
| | - Xujie Lü
- Center for Integrated Nanotechnologies Las Los Alamos National Laboratory Los Alamos NM 87545 USA
| | - Zhiming Cui
- Materials research program and the Texas Materials Institute University of Texas at Austin Austin TX 78712 USA
| | - Quanxi Jia
- Center for Integrated Nanotechnologies Las Los Alamos National Laboratory Los Alamos NM 87545 USA
| | - Jianshi Zhou
- Materials research program and the Texas Materials Institute University of Texas at Austin Austin TX 78712 USA
| | - Yusheng Zhao
- High Pressure Science and Engineering Center University of Nevada Las Vegas NV 89154 USA
| | - John B. Goodenough
- Materials research program and the Texas Materials Institute University of Texas at Austin Austin TX 78712 USA
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