101
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Xiong T, Fang X, Mi Q. Sandwiched Growth of Micron-thick MAPbI 3 Crystals for Waterproof Perovskite Solar Cells. CHEM LETT 2019. [DOI: 10.1246/cl.190242] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Tianpeng Xiong
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, P. R. China
- Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Xue Fang
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, P. R. China
| | - Qixi Mi
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, P. R. China
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102
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Wang Y, Chang S, Chen X, Ren Y, Shi L, Liu Y, Zhong H. Rapid Growth of Halide Perovskite Single Crystals: From Methods to Optimization Control. CHINESE J CHEM 2019. [DOI: 10.1002/cjoc.201900071] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Yu‐Ling Wang
- School of Mechatronics Engineering, Daqing Normal University Xibin Xi Road, Ranghulu District, Daqing Heilongjiang 163712 China
- Beijing Key Laboratory of Nanophotonics and Ultrafine Optoelectronic Systems, School of Materials Science & Engineering, Beijing Institute of Technology Zhongguancun South Street, Haidian District, Beijing 100081 China
| | - Shuai Chang
- Beijing Key Laboratory of Nanophotonics and Ultrafine Optoelectronic Systems, School of Materials Science & Engineering, Beijing Institute of Technology Zhongguancun South Street, Haidian District, Beijing 100081 China
| | - Xiao‐Mei Chen
- Beijing Key Laboratory of Nanophotonics and Ultrafine Optoelectronic Systems, School of Materials Science & Engineering, Beijing Institute of Technology Zhongguancun South Street, Haidian District, Beijing 100081 China
| | - Yan‐Dong Ren
- School of Mechatronics Engineering, Daqing Normal University Xibin Xi Road, Ranghulu District, Daqing Heilongjiang 163712 China
| | - Li‐Fu Shi
- Beijing Key Laboratory of Nanophotonics and Ultrafine Optoelectronic Systems, School of Materials Science & Engineering, Beijing Institute of Technology Zhongguancun South Street, Haidian District, Beijing 100081 China
| | - Yong‐Hao Liu
- School of Mechatronics Engineering, Daqing Normal University Xibin Xi Road, Ranghulu District, Daqing Heilongjiang 163712 China
| | - Hai‐Zheng Zhong
- Beijing Key Laboratory of Nanophotonics and Ultrafine Optoelectronic Systems, School of Materials Science & Engineering, Beijing Institute of Technology Zhongguancun South Street, Haidian District, Beijing 100081 China
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103
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104
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Abstract
Halide lead perovskites have attracted increasing attention in recent years for ionizing radiation detection due to their strong stopping power, defect-tolerance, large mobility-lifetime (μτ) product, tunable bandgap and simple single crystal growth from low-cost solution processes. In this review, we start with the requirement of material properties for high performance ionizing radiation detection based on direct detection mechanisms for applications in X-ray imaging and γ-ray energy spectroscopy. By comparing the performances of halide perovskites radiation detectors with current state-of-the-art ionizing radiation detectors, we show the promising features and challenges of halide perovskites as promising radiation detectors. Halide lead perovskites have emerged recently as possible candidates for high performance radiation detectors besides efficient solar cells. Here Wei et al. review the recent progress on perovskite based radiation detectors and suggest that they may compete with the conventional counterparts.
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105
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Liu Y, Li F, Qiu L, Yang K, Li Q, Zheng X, Hu H, Guo T, Wu C, Kim TW. Fluorescent Microarrays of in Situ Crystallized Perovskite Nanocomposites Fabricated for Patterned Applications by Using Inkjet Printing. ACS NANO 2019; 13:2042-2049. [PMID: 30735353 DOI: 10.1021/acsnano.8b08582] [Citation(s) in RCA: 48] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Perovskite materials have exhibited promising potential for universal applications including backlighting, color conversion, and anticounterfeiting labels fabricated using solution processes. However, owing to the tendency of those materials to have uncontrollable morphologies and to form large crystals, they cannot be utilized in discontinuous microminiaturization, which is crucial for practical optoelectronic applications. In this research, combining the effects of adding polyvinylpyrrolidone (PVP), precisely controlling the inkjet printing technique, and using a postprocessing procedure, we were able to fabricate in situ crystallized perovskite-PVP nanocomposite microarrays with perfect morphologies. The viscosity of the perovskite precursor increased with the addition of PVP, eliminating the outward capillary flow that induces the coffee-ring effect. In addition, because of the presence of metallic bonds with the C═O groups in PVP and the spatial confinement of such a polymer, we were able to fabricate regulated CsPbBr3 nanocrystals capped with PVP and with a uniform size distribution. The as-printed patterns showed excellent homogeneity on a macroscale and high reproducibility on a microscale; furthermore, those patterns were invisible in the ambient environment, compatible with flexible substrates, and cost-efficient to produce, indicating that this technique holds promising potential for applications such as anticounterfeiting labels.
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Affiliation(s)
- Yang Liu
- Institute of Optoelectronic Technology , Fuzhou University , Fuzhou 350002 , People's Republic of China
| | - Fushan Li
- Institute of Optoelectronic Technology , Fuzhou University , Fuzhou 350002 , People's Republic of China
| | - Lichun Qiu
- Institute of Optoelectronic Technology , Fuzhou University , Fuzhou 350002 , People's Republic of China
| | - Kaiyu Yang
- Institute of Optoelectronic Technology , Fuzhou University , Fuzhou 350002 , People's Republic of China
| | - Qianqian Li
- Institute of Optoelectronic Technology , Fuzhou University , Fuzhou 350002 , People's Republic of China
| | - Xin Zheng
- Institute of Optoelectronic Technology , Fuzhou University , Fuzhou 350002 , People's Republic of China
| | - Hailong Hu
- Institute of Optoelectronic Technology , Fuzhou University , Fuzhou 350002 , People's Republic of China
| | - Tailiang Guo
- Institute of Optoelectronic Technology , Fuzhou University , Fuzhou 350002 , People's Republic of China
| | - Chaoxing Wu
- Department of Electronic Engineering , Hanyang University , Seoul 133-791 , Republic of Korea
| | - Tae Whan Kim
- Department of Electronic Engineering , Hanyang University , Seoul 133-791 , Republic of Korea
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106
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Qiao L, Sun X, Long R. Mixed Cs and FA Cations Slow Electron-Hole Recombination in FAPbI 3 Perovskites by Time-Domain Ab Initio Study: Lattice Contraction versus Octahedral Tilting. J Phys Chem Lett 2019; 10:672-678. [PMID: 30681858 DOI: 10.1021/acs.jpclett.8b03729] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Using time domain density functional theory combined with nonadiabatic (NA) molecular dynamics, we show that electron-hole recombination takes subnanoseconds in FAPbI3, showing excellent agreement with experiment. Cs doping retards charge recombination by factors of 1.1 and 3.1 due to lattice contraction and octahedral tilting, respectively. Lattice contraction decreases the NA coupling and increases the coherence time arising from the suppressed atomic fluctuations, slightly slowing recombination because the two factors have an opposite influence on quantum transition. In contrast, octahedral tilting simultaneously decreases the NA coupling, thanks to the reduced overlap between Pb and I orbitals, and the coherence time, extending the excited-state lifetime over 1 ns. Our simulations provide a mechanistic understanding for delayed charge losses in the mixed Cs and FA system, suggesting a rational strategy to improve perovskite solar cell performance.
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Affiliation(s)
- Lu Qiao
- College of Chemistry, Key Laboratory of Theoretical & Computational Photochemistry of Ministry of Education , Beijing Normal University , Beijing 100875 , People's Republic of China
| | - Xueqin Sun
- School of Environmental and Material Engineering , Yantai University , Yantai 264005 , People's Republic of China
| | - Run Long
- College of Chemistry, Key Laboratory of Theoretical & Computational Photochemistry of Ministry of Education , Beijing Normal University , Beijing 100875 , People's Republic of China
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107
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Wu G, Zhou J, Meng R, Xue B, Zhou H, Tang Z, Zhang Y. Air-stable formamidinium/methylammonium mixed lead iodide perovskite integral microcrystals with low trap density and high photo-responsivity. Phys Chem Chem Phys 2019; 21:3106-3113. [DOI: 10.1039/c8cp07271j] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Here based on integral microcrystals (IMC) of halide perovskites containing formamidinium (FA)/methylammonium (MA) mixed cations, we investigate the impact of the addition of MAPbBr3 on the stability and optoelectronic properties in FA-based IMC films.
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Affiliation(s)
- Guangbao Wu
- HEEGER Beijing Research & Development Center, School of Chemistry, Beihang University
- Beijing 100191
- China
| | - Jiyu Zhou
- HEEGER Beijing Research & Development Center, School of Chemistry, Beihang University
- Beijing 100191
- China
| | - Rui Meng
- HEEGER Beijing Research & Development Center, School of Chemistry, Beihang University
- Beijing 100191
- China
| | - Baoda Xue
- CAS Key Laboratory of Nanosystem and Hierarchical Fabrication, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology
- Beijing 100190
- China
| | - Huiqiong Zhou
- CAS Key Laboratory of Nanosystem and Hierarchical Fabrication, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology
- Beijing 100190
- China
| | - Zhiyong Tang
- CAS Key Laboratory of Nanosystem and Hierarchical Fabrication, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology
- Beijing 100190
- China
| | - Yuan Zhang
- HEEGER Beijing Research & Development Center, School of Chemistry, Beihang University
- Beijing 100191
- China
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108
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Lehmann F, Franz A, Többens D, Levcenco S, Unold T, Taubert A, Schorr S. The phase diagram of a mixed halide (Br, I) hybrid perovskite obtained by synchrotron X-ray diffraction. RSC Adv 2019; 9:11151-11159. [PMID: 35520259 PMCID: PMC9063018 DOI: 10.1039/c8ra09398a] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2018] [Accepted: 04/02/2019] [Indexed: 01/12/2023] Open
Abstract
By using synchrotron X-ray powder diffraction, the temperature dependent phase diagram of the hybrid perovskite tri-halide compounds, methyl ammonium lead iodide (MAPbI3, MA+ = CH3NH3+) and methyl ammonium lead bromide (MAPbBr3), as well as of their solid solutions, has been established. The existence of a large miscibility gap between 0.29 ≤ x ≤ 0.92 (±0.02) for the MAPb(I1−xBrx)3 solid solution has been proven. A systematic study of the lattice parameters for the solid solution series at room temperature revealed distinct deviations from Vegard's law. Furthermore, temperature dependent measurements showed that a strong temperature dependency of lattice parameters from the composition is present for iodine rich compositions. In contrast, the bromine rich compositions show an unusually low dependency of the phase transition temperature from the degree of substitution. The phase diagram elucidates structural changes and phase separation effects, induced by halide substitution in hybrid perovskite MAPb(I,Br)3 solid solution.![]()
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Affiliation(s)
- Frederike Lehmann
- Helmholtz-Zentrum Berlin für Materialien und Energie
- 14109 Berlin
- Germany
- University of Potsdam
- Institute of Chemistry
| | - Alexandra Franz
- Helmholtz-Zentrum Berlin für Materialien und Energie
- 14109 Berlin
- Germany
| | - Daniel M. Többens
- Helmholtz-Zentrum Berlin für Materialien und Energie
- 14109 Berlin
- Germany
| | - Sergej Levcenco
- Helmholtz-Zentrum Berlin für Materialien und Energie
- 14109 Berlin
- Germany
| | - Thomas Unold
- Helmholtz-Zentrum Berlin für Materialien und Energie
- 14109 Berlin
- Germany
| | - Andreas Taubert
- University of Potsdam
- Institute of Chemistry
- 14476 Potsdam OT Golm
- Germany
| | - Susan Schorr
- Helmholtz-Zentrum Berlin für Materialien und Energie
- 14109 Berlin
- Germany
- Free University Berlin
- Department of Geoscience
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109
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Liu Y, Zhang Y, Yang Z, Ye H, Feng J, Xu Z, Zhang X, Munir R, Liu J, Zuo P, Li Q, Hu M, Meng L, Wang K, Smilgies DM, Zhao G, Xu H, Yang Z, Amassian A, Li J, Zhao K, Liu SF. Multi-inch single-crystalline perovskite membrane for high-detectivity flexible photosensors. Nat Commun 2018; 9:5302. [PMID: 30546017 PMCID: PMC6294256 DOI: 10.1038/s41467-018-07440-2] [Citation(s) in RCA: 84] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2018] [Accepted: 10/29/2018] [Indexed: 12/24/2022] Open
Abstract
Single crystalline perovskites exhibit high optical absorption, long carrier lifetime, large carrier mobility, low trap-state-density and high defect tolerance. Unfortunately, all single crystalline perovskites attained so far are limited to bulk single crystals and small area wafers. As such, it is impossible to design highly demanded flexible single-crystalline electronics and wearable devices including displays, touch sensing devices, transistors, etc. Herein we report a method of induced peripheral crystallization to prepare large area flexible single-crystalline membrane (SCM) of phenylethylamine lead iodide (C6H5C2H4NH3)2PbI4 with area exceeding 2500 mm2 and thinness as little as 0.6 μm. The ultrathin flexible SCM exhibits ultralow defect density, superior uniformity and long-term stability. Using the superior ultrathin membrane, a series of flexible photosensors were designed and fabricated to exhibit very high external quantum efficiency of 26530%, responsivity of 98.17 A W−1 and detectivity as much as 1.62 × 1015 cm Hz1/2 W−1 (Jones). Hybrid halide perovskite single crystals show excellent optoelectronic properties but their small size and large thickness limit their application. Herein Liu et al. grow large area ultrathin flexible crystalline membrane of layered perovskite and demonstrate high detectivity in the flexible photosensors.
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Affiliation(s)
- Yucheng Liu
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education; Shaanxi Key Laboratory for Advanced Energy Devices; Shaanxi Engineering Lab for Advanced Energy Technology; Institute for Advanced Energy Materials; School of Materials Science and Engineering, Shaanxi Normal University, 710119, Xi'an, P. R. China
| | - Yunxia Zhang
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education; Shaanxi Key Laboratory for Advanced Energy Devices; Shaanxi Engineering Lab for Advanced Energy Technology; Institute for Advanced Energy Materials; School of Materials Science and Engineering, Shaanxi Normal University, 710119, Xi'an, P. R. China
| | - Zhou Yang
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education; Shaanxi Key Laboratory for Advanced Energy Devices; Shaanxi Engineering Lab for Advanced Energy Technology; Institute for Advanced Energy Materials; School of Materials Science and Engineering, Shaanxi Normal University, 710119, Xi'an, P. R. China
| | - Haochen Ye
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education; Shaanxi Key Laboratory for Advanced Energy Devices; Shaanxi Engineering Lab for Advanced Energy Technology; Institute for Advanced Energy Materials; School of Materials Science and Engineering, Shaanxi Normal University, 710119, Xi'an, P. R. China
| | - Jiangshan Feng
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education; Shaanxi Key Laboratory for Advanced Energy Devices; Shaanxi Engineering Lab for Advanced Energy Technology; Institute for Advanced Energy Materials; School of Materials Science and Engineering, Shaanxi Normal University, 710119, Xi'an, P. R. China
| | - Zhuo Xu
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education; Shaanxi Key Laboratory for Advanced Energy Devices; Shaanxi Engineering Lab for Advanced Energy Technology; Institute for Advanced Energy Materials; School of Materials Science and Engineering, Shaanxi Normal University, 710119, Xi'an, P. R. China
| | - Xu Zhang
- iChEM, Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 116023, Dalian, P. R. China
| | - Rahim Munir
- Division of Physical Sciences and Engineering, Solar and Photovoltaics Engineering Center, King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
| | - Jia Liu
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education; Shaanxi Key Laboratory for Advanced Energy Devices; Shaanxi Engineering Lab for Advanced Energy Technology; Institute for Advanced Energy Materials; School of Materials Science and Engineering, Shaanxi Normal University, 710119, Xi'an, P. R. China
| | - Ping Zuo
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education; Shaanxi Key Laboratory for Advanced Energy Devices; Shaanxi Engineering Lab for Advanced Energy Technology; Institute for Advanced Energy Materials; School of Materials Science and Engineering, Shaanxi Normal University, 710119, Xi'an, P. R. China
| | - Qingxian Li
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education; Shaanxi Key Laboratory for Advanced Energy Devices; Shaanxi Engineering Lab for Advanced Energy Technology; Institute for Advanced Energy Materials; School of Materials Science and Engineering, Shaanxi Normal University, 710119, Xi'an, P. R. China
| | - Mingxin Hu
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education; Shaanxi Key Laboratory for Advanced Energy Devices; Shaanxi Engineering Lab for Advanced Energy Technology; Institute for Advanced Energy Materials; School of Materials Science and Engineering, Shaanxi Normal University, 710119, Xi'an, P. R. China
| | - Lina Meng
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education; Shaanxi Key Laboratory for Advanced Energy Devices; Shaanxi Engineering Lab for Advanced Energy Technology; Institute for Advanced Energy Materials; School of Materials Science and Engineering, Shaanxi Normal University, 710119, Xi'an, P. R. China
| | - Kang Wang
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education; Shaanxi Key Laboratory for Advanced Energy Devices; Shaanxi Engineering Lab for Advanced Energy Technology; Institute for Advanced Energy Materials; School of Materials Science and Engineering, Shaanxi Normal University, 710119, Xi'an, P. R. China
| | - Detlef-M Smilgies
- Cornell High Energy Synchrotron Source, Cornell University, Ithaca, NY, 14850, USA
| | - Guangtao Zhao
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education; Shaanxi Key Laboratory for Advanced Energy Devices; Shaanxi Engineering Lab for Advanced Energy Technology; Institute for Advanced Energy Materials; School of Materials Science and Engineering, Shaanxi Normal University, 710119, Xi'an, P. R. China
| | - Hua Xu
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education; Shaanxi Key Laboratory for Advanced Energy Devices; Shaanxi Engineering Lab for Advanced Energy Technology; Institute for Advanced Energy Materials; School of Materials Science and Engineering, Shaanxi Normal University, 710119, Xi'an, P. R. China
| | - Zupei Yang
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education; Shaanxi Key Laboratory for Advanced Energy Devices; Shaanxi Engineering Lab for Advanced Energy Technology; Institute for Advanced Energy Materials; School of Materials Science and Engineering, Shaanxi Normal University, 710119, Xi'an, P. R. China
| | - Aram Amassian
- Division of Physical Sciences and Engineering, Solar and Photovoltaics Engineering Center, King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
| | - Jiawei Li
- School of Physics and Information Technology, Shaanxi Normal University, 710119, Xi'an, P. R. China
| | - Kui Zhao
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education; Shaanxi Key Laboratory for Advanced Energy Devices; Shaanxi Engineering Lab for Advanced Energy Technology; Institute for Advanced Energy Materials; School of Materials Science and Engineering, Shaanxi Normal University, 710119, Xi'an, P. R. China.
| | - Shengzhong Frank Liu
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education; Shaanxi Key Laboratory for Advanced Energy Devices; Shaanxi Engineering Lab for Advanced Energy Technology; Institute for Advanced Energy Materials; School of Materials Science and Engineering, Shaanxi Normal University, 710119, Xi'an, P. R. China. .,iChEM, Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 116023, Dalian, P. R. China.
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110
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Yuyama KI, Islam MJ, Takahashi K, Nakamura T, Biju V. Crystallization of Methylammonium Lead Halide Perovskites by Optical Trapping. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201806079] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Ken-ichi Yuyama
- Research Institute for Electronic Science and Graduate School of Environmental Science; Hokkaido University; N20, W10 Sapporo Hokkaido 001-0020 Japan
| | - Md Jahidul Islam
- Research Institute for Electronic Science and Graduate School of Environmental Science; Hokkaido University; N20, W10 Sapporo Hokkaido 001-0020 Japan
| | - Kiyonori Takahashi
- Research Institute for Electronic Science and Graduate School of Environmental Science; Hokkaido University; N20, W10 Sapporo Hokkaido 001-0020 Japan
| | - Takayoshi Nakamura
- Research Institute for Electronic Science and Graduate School of Environmental Science; Hokkaido University; N20, W10 Sapporo Hokkaido 001-0020 Japan
| | - Vasudevanpillai Biju
- Research Institute for Electronic Science and Graduate School of Environmental Science; Hokkaido University; N20, W10 Sapporo Hokkaido 001-0020 Japan
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111
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Crystallization of Methylammonium Lead Halide Perovskites by Optical Trapping. Angew Chem Int Ed Engl 2018; 57:13424-13428. [DOI: 10.1002/anie.201806079] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2018] [Revised: 07/08/2018] [Indexed: 11/07/2022]
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112
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2D perovskite stabilized phase-pure formamidinium perovskite solar cells. Nat Commun 2018; 9:3021. [PMID: 30069012 PMCID: PMC6070510 DOI: 10.1038/s41467-018-05454-4] [Citation(s) in RCA: 189] [Impact Index Per Article: 31.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2018] [Accepted: 07/03/2018] [Indexed: 12/24/2022] Open
Abstract
Compositional engineering has been used to overcome difficulties in fabricating high-quality phase-pure formamidinium perovskite films together with its ambient instability. However, this comes alongside an undesirable increase in bandgap that sacrifices the device photocurrent. Here we report the fabrication of phase-pure formamidinium-lead tri-iodide perovskite films with excellent optoelectronic quality and stability. Incorporation of 1.67 mol% of 2D phenylethylammonium lead iodide into the precursor solution enables the formation of phase-pure formamidinium perovskite with an order of magnitude enhanced photoluminescence lifetime. The 2D perovskite spontaneously forms at grain boundaries to protect the formamidinium perovskite from moisture and suppress ion migration. A stabilized power conversion efficiency (PCE) of 20.64% (certified stabilized PCE of 19.77%) is achieved with a short-circuit current density exceeding 24 mA cm−2 and an open-circuit voltage of 1.130 V, corresponding to a loss-in-potential of 0.35 V, and significantly enhanced operational stability. Utilizing mixed-cation-halide can improve stability of the formamidinium perovskite films and devices but sacrifices the photocurrent due to an increase in bandgap. Here Lee et al. introduced small amounts of 2D perovskite to obtain high efficiency and stability based on phase-pure formamidinium based perovskite.
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113
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Lignos I, Morad V, Shynkarenko Y, Bernasconi C, Maceiczyk RM, Protesescu L, Bertolotti F, Kumar S, Ochsenbein ST, Masciocchi N, Guagliardi A, Shih CJ, Bodnarchuk MI, deMello AJ, Kovalenko MV. Exploration of Near-Infrared-Emissive Colloidal Multinary Lead Halide Perovskite Nanocrystals Using an Automated Microfluidic Platform. ACS NANO 2018; 12:5504-5517. [PMID: 29754493 PMCID: PMC6024237 DOI: 10.1021/acsnano.8b01122] [Citation(s) in RCA: 63] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2018] [Accepted: 05/12/2018] [Indexed: 05/18/2023]
Abstract
Hybrid organic-inorganic and fully inorganic lead halide perovskite nanocrystals (NCs) have recently emerged as versatile solution-processable light-emitting and light-harvesting optoelectronic materials. A particularly difficult challenge lies in warranting the practical utility of such semiconductor NCs in the red and infrared spectral regions. In this context, all three archetypal A-site monocationic perovskites-CH3NH3PbI3, CH(NH2)2PbI3, and CsPbI3-suffer from either chemical or thermodynamic instabilities in their bulk form. A promising approach toward the mitigation of these challenges lies in the formation of multinary compositions (mixed cation and mixed anion). In the case of multinary colloidal NCs, such as quinary Cs xFA1- xPb(Br1- yI y)3 NCs, the outcome of the synthesis is defined by a complex interplay between the bulk thermodynamics of the solid solutions, crystal surface energies, energetics, dynamics of capping ligands, and the multiple effects of the reagents in solution. Accordingly, the rational synthesis of such NCs is a formidable challenge. Herein, we show that droplet-based microfluidics can successfully tackle this problem and synthesize Cs xFA1- xPbI3 and Cs xFA1- xPb(Br1- yI y)3 NCs in both a time- and cost-efficient manner. Rapid in situ photoluminescence and absorption measurements allow for thorough parametric screening, thereby permitting precise optical engineering of these NCs. In this showcase study, we fine-tune the photoluminescence maxima of such multinary NCs between 700 and 800 nm, minimize their emission line widths (to below 40 nm), and maximize their photoluminescence quantum efficiencies (up to 89%) and phase/chemical stabilities. Detailed structural analysis revealed that the Cs xFA1- xPb(Br1- yI y)3 NCs adopt a cubic perovskite structure of FAPbI3, with iodide anions partially substituted by bromide ions. Most importantly, we demonstrate the excellent transference of reaction parameters from microfluidics to a conventional flask-based environment, thereby enabling up-scaling and further implementation in optoelectronic devices. As an example, Cs xFA1- xPb(Br1- yI y)3 NCs with an emission maximum at 735 nm were integrated into light-emitting diodes, exhibiting a high external quantum efficiency of 5.9% and a very narrow electroluminescence spectral bandwidth of 27 nm.
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Affiliation(s)
- Ioannis Lignos
- Institute for Chemical
and Bioengineering, Department of Chemistry and Applied Biosciences, ETH Zürich, Vladimir-Prelog-Weg 1, Zürich 8093, Switzerland
| | - Viktoriia Morad
- Institute for Chemical
and Bioengineering, Department of Chemistry and Applied Biosciences, ETH Zürich, Vladimir-Prelog-Weg 1, Zürich 8093, Switzerland
- Institute
of Inorganic Chemistry, Department of Chemistry and Applied Biosciences, ETH Zürich, Vladimir-Prelog-Weg 1, Zürich 8093, Switzerland
- Empa-Swiss
Federal Laboratories for Materials Science and Technology, Überlandstrasse 129, Dübendorf 8600, Switzerland
| | - Yevhen Shynkarenko
- Institute
of Inorganic Chemistry, Department of Chemistry and Applied Biosciences, ETH Zürich, Vladimir-Prelog-Weg 1, Zürich 8093, Switzerland
- Empa-Swiss
Federal Laboratories for Materials Science and Technology, Überlandstrasse 129, Dübendorf 8600, Switzerland
| | - Caterina Bernasconi
- Institute
of Inorganic Chemistry, Department of Chemistry and Applied Biosciences, ETH Zürich, Vladimir-Prelog-Weg 1, Zürich 8093, Switzerland
- Empa-Swiss
Federal Laboratories for Materials Science and Technology, Überlandstrasse 129, Dübendorf 8600, Switzerland
| | - Richard M. Maceiczyk
- Institute for Chemical
and Bioengineering, Department of Chemistry and Applied Biosciences, ETH Zürich, Vladimir-Prelog-Weg 1, Zürich 8093, Switzerland
| | - Loredana Protesescu
- Institute
of Inorganic Chemistry, Department of Chemistry and Applied Biosciences, ETH Zürich, Vladimir-Prelog-Weg 1, Zürich 8093, Switzerland
- Empa-Swiss
Federal Laboratories for Materials Science and Technology, Überlandstrasse 129, Dübendorf 8600, Switzerland
| | - Federica Bertolotti
- Dipartimento di Scienza e Alta Tecnologia
and To.Sca.Lab, Università dell’Insubria, Via Valleggio 11, I-22100 Como, Italy
- Aarhus Institute of Advanced Studies (AIAS), Aarhus University, Høegh-Guldbergs Gade 6B, 8000 Aarhus C, Denmark
| | - Sudhir Kumar
- Institute for Chemical
and Bioengineering, Department of Chemistry and Applied Biosciences, ETH Zürich, Vladimir-Prelog-Weg 1, Zürich 8093, Switzerland
| | - Stefan T. Ochsenbein
- Institute
of Inorganic Chemistry, Department of Chemistry and Applied Biosciences, ETH Zürich, Vladimir-Prelog-Weg 1, Zürich 8093, Switzerland
- Empa-Swiss
Federal Laboratories for Materials Science and Technology, Überlandstrasse 129, Dübendorf 8600, Switzerland
| | - Norberto Masciocchi
- Dipartimento di Scienza e Alta Tecnologia
and To.Sca.Lab, Università dell’Insubria, Via Valleggio 11, I-22100 Como, Italy
| | - Antonietta Guagliardi
- Istituto di Cristallografia, Consiglio Nazionale delle Ricerche, and To.Sca.Lab, via Valleggio 11, I-22100 Como, Italy
| | - Chih-Jen Shih
- Institute for Chemical
and Bioengineering, Department of Chemistry and Applied Biosciences, ETH Zürich, Vladimir-Prelog-Weg 1, Zürich 8093, Switzerland
| | - Maryna I. Bodnarchuk
- Empa-Swiss
Federal Laboratories for Materials Science and Technology, Überlandstrasse 129, Dübendorf 8600, Switzerland
- E-mail:
| | - Andrew J. deMello
- Institute for Chemical
and Bioengineering, Department of Chemistry and Applied Biosciences, ETH Zürich, Vladimir-Prelog-Weg 1, Zürich 8093, Switzerland
- E-mail:
| | - Maksym V. Kovalenko
- Institute
of Inorganic Chemistry, Department of Chemistry and Applied Biosciences, ETH Zürich, Vladimir-Prelog-Weg 1, Zürich 8093, Switzerland
- Empa-Swiss
Federal Laboratories for Materials Science and Technology, Überlandstrasse 129, Dübendorf 8600, Switzerland
- E-mail:
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114
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Emerging Characterizing Techniques in the Fine Structure Observation of Metal Halide Perovskite Crystal. CRYSTALS 2018. [DOI: 10.3390/cryst8060232] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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115
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Askar AM, Karmakar A, Bernard GM, Ha M, Terskikh VV, Wiltshire BD, Patel S, Fleet J, Shankar K, Michaelis VK. Composition-Tunable Formamidinium Lead Mixed Halide Perovskites via Solvent-Free Mechanochemical Synthesis: Decoding the Pb Environments Using Solid-State NMR Spectroscopy. J Phys Chem Lett 2018; 9:2671-2677. [PMID: 29715040 DOI: 10.1021/acs.jpclett.8b01084] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/18/2023]
Abstract
Mixed-halide lead perovskites are becoming of paramount interest in the optoelectronic and photovoltaic research fields, offering band gap tunability, improved efficiency, and enhanced stability compared to their single halide counterparts. Formamidinium-based mixed halide perovskites (FA-MHPs) are critical to obtaining optimum solar cell performance. Here, we report a solvent-free mechanochemical synthesis (MCS) method to prepare FA-MHPs, starting with their parent compounds (FAPbX3; X = Cl, Br, I), achieving compositions not previously accessible through the solvent synthesis (SS) technique. By probing local Pb environments in MCS FA-MHPs using solid-state nuclear magnetic resonance spectroscopy, along with powder X-ray diffraction for long-range crystallinity and reflectance measurements to determine the optical band gap, we show that MCS FA-MHPs form atomic-level solid solutions between Cl/Br and Br/I MHPs. Our results pave the way for advanced methods in atomic-level structural understanding while offering a one-pot synthetic approach to prepare MHPs with superior control of stoichiometry.
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Affiliation(s)
- Abdelrahman M Askar
- Department of Electrical and Computer Engineering , University of Alberta , Edmonton , Alberta , Canada T6G 1H9
| | - Abhoy Karmakar
- Department of Chemistry , University of Alberta , Edmonton , Alberta , Canada T6G 2G2
| | - Guy M Bernard
- Department of Chemistry , University of Alberta , Edmonton , Alberta , Canada T6G 2G2
| | - Michelle Ha
- Department of Chemistry , University of Alberta , Edmonton , Alberta , Canada T6G 2G2
| | - Victor V Terskikh
- Department of Chemistry , University of Ottawa , Ottawa , Ontario , Canada K1N 6N5
| | - Benjamin D Wiltshire
- Department of Electrical and Computer Engineering , University of Alberta , Edmonton , Alberta , Canada T6G 1H9
| | - Sahil Patel
- Department of Electrical and Computer Engineering , University of Alberta , Edmonton , Alberta , Canada T6G 1H9
| | - Jonathan Fleet
- Department of Electrical and Computer Engineering , University of Alberta , Edmonton , Alberta , Canada T6G 1H9
| | - Karthik Shankar
- Department of Electrical and Computer Engineering , University of Alberta , Edmonton , Alberta , Canada T6G 1H9
| | - Vladimir K Michaelis
- Department of Chemistry , University of Alberta , Edmonton , Alberta , Canada T6G 2G2
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116
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Metal Halide Perovskite Single Crystals: From Growth Process to Application. CRYSTALS 2018. [DOI: 10.3390/cryst8050220] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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117
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Spanopoulos I, Ke W, Stoumpos CC, Schueller EC, Kontsevoi OY, Seshadri R, Kanatzidis MG. Unraveling the Chemical Nature of the 3D "Hollow" Hybrid Halide Perovskites. J Am Chem Soc 2018; 140:5728-5742. [PMID: 29617127 DOI: 10.1021/jacs.8b01034] [Citation(s) in RCA: 98] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
The newly introduced class of 3D halide perovskites, termed "hollow" perovskites, has been recently demonstrated as light absorbing semiconductor materials for fabricating lead-free perovskite solar cells with enhanced efficiency and superior stability. Hollow perovskites derive from three-dimensional (3D) AMX3 perovskites ( A = methylammonium (MA), formamidinium (FA); M = Sn, Pb; X = Cl, Br, I), where small molecules such as ethylenediammonium cations ( en) can be incorporated as the dication without altering the structure dimensionality. We present in this work the inherent structural properties of the hollow perovskites and expand this class of materials to the Pb-based analogues. Through a combination of physical and spectroscopic methods (XRD, gas pycnometry, 1H NMR, TGA, SEM/EDX), we have assigned the general formula (A)1- x( en) x(M)1-0.7 x(X)3-0.4 x to the hollow perovskites. The incorporation of en in the 3D perovskite structure leads to massive M and X vacancies in the 3D [ MX3] framework, thus the term hollow. The resulting materials are semiconductors with significantly blue-shifted direct band gaps from 1.25 to 1.51 eV for Sn-based perovskites and from 1.53 to 2.1 eV for the Pb-based analogues. The increased structural disorder and hollow nature were validated by single crystal X-ray diffraction analysis as well as pair distribution function (PDF) analysis. Density functional theory (DFT) calculations support the experimental trends and suggest that the observed widening of the band gap is attributed to the massive M and X vacancies, which create a less connected 3D hollow structure. The resulting materials have superior air stability, where in the case of Sn-based hollow perovskites it exceeds two orders of temporal magnitude compared to the conventional full perovskites of MASnI3 and FASnI3. The hollow perovskite compounds pose as a new platform of promising light absorbers that can be utilized in single junction or tandem solar cells.
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Affiliation(s)
- Ioannis Spanopoulos
- Department of Chemistry , Northwestern University , Evanston , Illinois 60208 , United States
| | - Weijun Ke
- Department of Chemistry , Northwestern University , Evanston , Illinois 60208 , United States
| | - Constantinos C Stoumpos
- Department of Chemistry , Northwestern University , Evanston , Illinois 60208 , United States
| | - Emily C Schueller
- Materials Research Laboratory, Materials Department, and Department of Chemistry and Biochemistry , University of California , Santa Barbara , California 93106 , United States
| | - Oleg Y Kontsevoi
- Department of Physics and Astronomy , Northwestern University , Evanston , Illinois 60208 , United States
| | - Ram Seshadri
- Materials Research Laboratory, Materials Department, and Department of Chemistry and Biochemistry , University of California , Santa Barbara , California 93106 , United States
| | - Mercouri G Kanatzidis
- Department of Chemistry , Northwestern University , Evanston , Illinois 60208 , United States
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118
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Wang Q, Bai D, Jin Z, Liu SF. Single-crystalline perovskite wafers with a Cr blocking layer for broad and stable light detection in a harsh environment. RSC Adv 2018; 8:14848-14853. [PMID: 35541345 PMCID: PMC9079962 DOI: 10.1039/c8ra02709a] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2018] [Accepted: 04/15/2018] [Indexed: 11/21/2022] Open
Abstract
Herein, ultrathin (∼35 μm) CH3NH3PbI3 (MAPbI3) single-crystalline wafers have been successfully prepared by using an appropriate geometry-regulated dynamic-flow reaction system. The measurement results proved that the obtained wafers have high crystallinity, and showed broad light absorption from ultraviolet to near infrared (850 nm) which can be attributed to the indirect bandgap. Straight after, such an MAPbI3 wafer was used to fabricate high-quality photodetectors (PDs). On account of its faster carrier transport and significantly reduced defect density, the device exhibits a high photoresponse (R) of 5 A/W and short on/off response (0.039 s/0.017 s). Interestingly, by introducing a Cr interlayer between the MAPbI3 wafer and the Au electrode to avoid the migration of Au, the PD shows nearly no degradation when it works at 200 °C. Furthermore, the device performance shows very little degradation over the course of 60 days of storage under ambient conditions owing to its lack of grain boundaries. We believe the strategy reported here is very promising for achieving broad photodetection in a harsh environment.
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Affiliation(s)
- Qian Wang
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, Shaanxi Key Laboratory for Advanced Energy Devices, Shaanxi Engineering Lab for Advanced Energy Technology, School of Materials Science & Engineering, Shaanxi Normal University Xi'an 710119 P. R. China
| | - Dongliang Bai
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, Shaanxi Key Laboratory for Advanced Energy Devices, Shaanxi Engineering Lab for Advanced Energy Technology, School of Materials Science & Engineering, Shaanxi Normal University Xi'an 710119 P. R. China
| | - Zhiwen Jin
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, Shaanxi Key Laboratory for Advanced Energy Devices, Shaanxi Engineering Lab for Advanced Energy Technology, School of Materials Science & Engineering, Shaanxi Normal University Xi'an 710119 P. R. China
| | - Shengzhong Frank Liu
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, Shaanxi Key Laboratory for Advanced Energy Devices, Shaanxi Engineering Lab for Advanced Energy Technology, School of Materials Science & Engineering, Shaanxi Normal University Xi'an 710119 P. R. China
- Dalian National Laboratory for Clean Energy, iChEM, Dalian Institute of Chemical Physics, Chinese Academy of Sciences Dalian 116023 P. R. China
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119
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Abstract
Electro-optic materials that can be solution-processed and provide high-crystalline quality are sought for the development of compact, efficient optical modulators. Here we present density functional theory investigations of the linear electro-optic coefficients of candidate materials cesium and methylammonium germanium halide perovskites. As with their lead halide counterparts, these compounds can be solution-processed, but in contrast, they possess the noncentrosymmetric crystal structures needed to provide a linear electro-optic effect. We find substantial electro-optic responses from these compounds; in particular, for the r51 tensor element of CsGeI3, we predict an electro-optic coefficient of 47 pm·V-1 at the communications wavelength of 1550 nm, surpassing the strongest coefficient of LiNbO3 at 31 pm·V-1. The strong electro-optic responses of the germanium compounds are driven by high nonlinear susceptibilities and dynamics of the germanium atoms that ultimately arise from the distorted crystal structures. Alongside the electro-optic coefficient calculations, we provide the frequency responses for the linear and nonlinear electronic susceptibilities.
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Affiliation(s)
- Grant Walters
- Department of Electrical and Computer Engineering, University of Toronto , 35 St. George Street, Toronto, Ontario M5S 1A4, Canada
| | - Edward H Sargent
- Department of Electrical and Computer Engineering, University of Toronto , 35 St. George Street, Toronto, Ontario M5S 1A4, Canada
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120
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Becker M, Klüner T, Wark M. Formation of hybrid ABX 3 perovskite compounds for solar cell application: first-principles calculations of effective ionic radii and determination of tolerance factors. Dalton Trans 2018; 46:3500-3509. [PMID: 28239731 DOI: 10.1039/c6dt04796c] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The development of hybrid organic-inorganic perovskite solar cells is one of the most rapidly growing fields in the photovoltaic community and is on its way to challenge polycrystalline silicon and thin film technologies. High power conversion efficiencies can be achieved by simple processing with low cost. However, due to the limited long-term stability and environmental toxicity of lead in the prototypic CH3NH3PbI3, there is a need to find alternative ABX3 constitutional combinations in order to promote commercialization. The Goldschmidt tolerance factor and the octahedral factor were found to be necessary geometrical concepts to evaluate which perovskite compounds can be formed. It was figured out that the main challenge lies in estimating an effective ionic radius for the molecular cation. We calculated tolerance factors and octahedral factors for 486 ABX3 monoammonium-metal-halide combinations, where the steric size of the molecular cation in the A-position was estimated concerning the total charge density. A thorough inquiry about existing mixed organic-inorganic perovskites was undertaken. Our results are in excellent agreement with the reported hybrid compounds and indicate the potential existence of 106 ABX3 combinations hitherto not discussed in the literature, giving hints for more intense research on prospective individual candidates.
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Affiliation(s)
- Markus Becker
- Institute of Chemistry, Carl von Ossietzky University Oldenburg, Carl-von-Ossietzky Str. 9-11, 26129 Oldenburg, Germany.
| | - Thorsten Klüner
- Institute of Chemistry, Carl von Ossietzky University Oldenburg, Carl-von-Ossietzky Str. 9-11, 26129 Oldenburg, Germany.
| | - Michael Wark
- Institute of Chemistry, Carl von Ossietzky University Oldenburg, Carl-von-Ossietzky Str. 9-11, 26129 Oldenburg, Germany.
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121
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Sekimoto T, Suzuka M, Yokoyama T, Uchida R, Machida S, Sekiguchi T, Kawano K. Energy level diagram of HC(NH2)2PbI3 single crystal evaluated by electrical and optical analyses. Phys Chem Chem Phys 2018; 20:1373-1380. [DOI: 10.1039/c7cp07477h] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Energy level diagram of the HC(NH2)2PbI3 single crystal evaluated in this study.
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Affiliation(s)
| | - Michio Suzuka
- Advanced Research Division
- Panasonic Corporation
- Osaka 570-8501
- Japan
| | | | - Ryusuke Uchida
- Advanced Research Division
- Panasonic Corporation
- Osaka 570-8501
- Japan
| | | | | | - Kenji Kawano
- Advanced Research Division
- Panasonic Corporation
- Osaka 570-8501
- Japan
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122
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Hu Z, Xiang H, Schoenauer Sebag M, Billot L, Aigouy L, Chen Z. Compact layer free mixed-cation lead mixed-halide perovskite solar cells. Chem Commun (Camb) 2018; 54:2623-2626. [DOI: 10.1039/c7cc06183h] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Thickness-tunable and compact FA0.83Cs0.17Pb(I0.6Br0.4)3 perovskite thin films are achieved with a large grain size up to 12 microns. They are then employed to fabricate planar electron-transport-layer-free solar cells.
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Affiliation(s)
- Zhelu Hu
- LPEM
- ESPCI Paris
- PSL Research University
- Sorbonne Université
- CNRS
| | - Hengyang Xiang
- LPEM
- ESPCI Paris
- PSL Research University
- Sorbonne Université
- CNRS
| | | | - Laurent Billot
- LPEM
- ESPCI Paris
- PSL Research University
- Sorbonne Université
- CNRS
| | - Lionel Aigouy
- LPEM
- ESPCI Paris
- PSL Research University
- Sorbonne Université
- CNRS
| | - Zhuoying Chen
- LPEM
- ESPCI Paris
- PSL Research University
- Sorbonne Université
- CNRS
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123
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Liu Y, Yang Z, Liu S(F. Recent Progress in Single-Crystalline Perovskite Research Including Crystal Preparation, Property Evaluation, and Applications. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2018; 5:1700471. [PMID: 29375973 PMCID: PMC5770672 DOI: 10.1002/advs.201700471] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/10/2017] [Revised: 09/16/2017] [Indexed: 05/29/2023]
Abstract
Organic-inorganic lead halide perovskites are promising optoelectronic materials resulting from their significant light absorption properties and unique long carrier dynamics, such as a long carrier lifetime, carrier diffusion length, and high carrier mobility. These advantageous properties have allowed for the utilization of lead halide perovskite materials in solar cells, LEDs, photodetectors, lasers, etc. To further explore their potential, intrinsic properties should be thoroughly investigated. Single crystals with few defects are the best candidates to disclose a variety of interesting and important properties of these materials, ultimately, showing the increased importance of single-crystalline perovskite research. In this review, recent progress on the crystallization, investigation, and primary device applications of single-crystalline perovskites are summarized and analyzed. Further improvements in device design and preparation are also discussed.
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Affiliation(s)
- Yucheng Liu
- Key Laboratory of Applied Surface and Colloid ChemistryNational Ministry of EducationSchool of Materials Science and EngineeringShaanxi Normal UniversityXi'an710119China
- Shaanxi Key Laboratory for Advanced Energy DevicesSchool of Materials Science and EngineeringShaanxi Normal UniversityXi'an710119China
- Shaanxi Engineering Lab for Advanced Energy TechnologySchool of Materials Science and EngineeringShaanxi Normal UniversityXi'an710119China
- Institute for Advanced Energy MaterialsSchool of Materials Science and EngineeringShaanxi Normal UniversityXi'an710119China
| | - Zhou Yang
- Key Laboratory of Applied Surface and Colloid ChemistryNational Ministry of EducationSchool of Materials Science and EngineeringShaanxi Normal UniversityXi'an710119China
- Shaanxi Key Laboratory for Advanced Energy DevicesSchool of Materials Science and EngineeringShaanxi Normal UniversityXi'an710119China
- Shaanxi Engineering Lab for Advanced Energy TechnologySchool of Materials Science and EngineeringShaanxi Normal UniversityXi'an710119China
- Institute for Advanced Energy MaterialsSchool of Materials Science and EngineeringShaanxi Normal UniversityXi'an710119China
| | - Shengzhong (Frank) Liu
- Key Laboratory of Applied Surface and Colloid ChemistryNational Ministry of EducationSchool of Materials Science and EngineeringShaanxi Normal UniversityXi'an710119China
- Shaanxi Key Laboratory for Advanced Energy DevicesSchool of Materials Science and EngineeringShaanxi Normal UniversityXi'an710119China
- Shaanxi Engineering Lab for Advanced Energy TechnologySchool of Materials Science and EngineeringShaanxi Normal UniversityXi'an710119China
- Institute for Advanced Energy MaterialsSchool of Materials Science and EngineeringShaanxi Normal UniversityXi'an710119China
- iChEMDalian National Laboratory for Clean EnergyChinese Academy of SciencesDalian116023China
- Dalian Institute of Chemical PhysicsChinese Academy of SciencesDalian116023China
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124
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Adinolfi V, Peng W, Walters G, Bakr OM, Sargent EH. The Electrical and Optical Properties of Organometal Halide Perovskites Relevant to Optoelectronic Performance. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2018; 30:1700764. [PMID: 29024039 DOI: 10.1002/adma.201700764] [Citation(s) in RCA: 58] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2017] [Indexed: 06/07/2023]
Abstract
Organometal halide perovskites are under intense study for use in optoelectronics. Methylammonium and formamidinium lead iodide show impressive performance as photovoltaic materials; a premise that has spurred investigations into light-emitting devices and photodetectors. Herein, the optical and electrical material properties of organometal halide perovskites are reviewed. An overview is given on how the material composition and morphology are tied to these properties, and how these properties ultimately affect device performance. Material attributes and techniques used to estimate them are analyzed for different perovskite materials, with a particular focus on the bandgap, mobility, diffusion length, carrier lifetime, and trap-state density.
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Affiliation(s)
- Valerio Adinolfi
- Department of Electrical and Computer Engineering, University of Toronto, 10 King's College Road, Toronto, Ontario, M5S 3G4, Canada
| | - Wei Peng
- Division of Physical Sciences and Engineering, KAUST Catalysis Center and KAUST Solar Center, King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
| | - Grant Walters
- Department of Electrical and Computer Engineering, University of Toronto, 10 King's College Road, Toronto, Ontario, M5S 3G4, Canada
| | - Osman M Bakr
- Division of Physical Sciences and Engineering, KAUST Catalysis Center and KAUST Solar Center, King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
| | - Edward H Sargent
- Department of Electrical and Computer Engineering, University of Toronto, 10 King's College Road, Toronto, Ontario, M5S 3G4, Canada
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125
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Zhang F, Yang B, Zheng K, Yang S, Li Y, Deng W, He R. Formamidinium Lead Bromide (FAPbBr 3) Perovskite Microcrystals for Sensitive and Fast Photodetectors. NANO-MICRO LETTERS 2018; 10:43. [PMID: 30393692 PMCID: PMC6199088 DOI: 10.1007/s40820-018-0196-2] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/23/2018] [Accepted: 03/05/2018] [Indexed: 05/05/2023]
Abstract
Because of the good thermal stability and superior carrier transport characteristics of formamidinium lead trihalide perovskite HC(NH2)2PbX3 (FAPbX3), it has been considered to be a better optoelectronic material than conventional CH3NH3PbX3 (MAPbX3). Herein, we fabricated a FAPbBr3 microcrystal-based photodetector that exhibited a good responsivity of 4000 A W-1 and external quantum efficiency up to 106% under one-photon excitation, corresponding to the detectivity greater than 1014 Jones. The responsivity is two orders of magnitude higher than that of previously reported formamidinium perovskite photodetectors. Furthermore, the FAPbBr3 photodetector's responsivity to two-photon absorption with an 800-nm excitation source can reach 0.07 A W-1, which is four orders of magnitude higher than that of its MAPbBr3 counterparts. The response time of this photodetector is less than 1 ms. This study provides solid evidence that FAPbBr3 can be an excellent candidate for highly sensitive and fast photodetectors.
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Affiliation(s)
- Fengying Zhang
- Key Laboratory of Luminescence and Real-Time Analytical Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400715, People's Republic of China
- State Key Laboratory of Molecular Reaction Dynamics, Dalian Institute of Chemical Physics, Chinese Academy of Science, Dalian, 116023, People's Republic of China
| | - Bin Yang
- State Key Laboratory of Molecular Reaction Dynamics, Dalian Institute of Chemical Physics, Chinese Academy of Science, Dalian, 116023, People's Republic of China
| | - Kaibo Zheng
- Department of Chemical Physics and NanoLund Chemical Center, Lund University, P.O. Box 124, 22100, Lund, Sweden
| | - Songqiu Yang
- State Key Laboratory of Molecular Reaction Dynamics, Dalian Institute of Chemical Physics, Chinese Academy of Science, Dalian, 116023, People's Republic of China
| | - Yajuan Li
- State Key Laboratory of Molecular Reaction Dynamics, Dalian Institute of Chemical Physics, Chinese Academy of Science, Dalian, 116023, People's Republic of China
| | - Weiqiao Deng
- State Key Laboratory of Molecular Reaction Dynamics, Dalian Institute of Chemical Physics, Chinese Academy of Science, Dalian, 116023, People's Republic of China.
| | - Rongxing He
- Key Laboratory of Luminescence and Real-Time Analytical Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400715, People's Republic of China.
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126
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Lv Q, Lian Z, Li Q, Sun JL, Yan Q. Formic acid: an accelerator and quality promoter for nonseeded growth of CH3NH3PbI3 single crystals. Chem Commun (Camb) 2018; 54:1049-1052. [DOI: 10.1039/c7cc07154j] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
With the aid of formic acid, CH3NH3PbI3 single crystals of 9 mm length were directly harvested within 3 days via a nonseeded solution temperature-lowering (STL) method.
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Affiliation(s)
- Qianrui Lv
- Key Lab of Organic Optoelectronics and Molecular Engineering of Ministry of Education
- Department of Chemistry
- Tsinghua University
- Beijing 100084
- China
| | - Zhipeng Lian
- Key Lab of Organic Optoelectronics and Molecular Engineering of Ministry of Education
- Department of Chemistry
- Tsinghua University
- Beijing 100084
- China
| | - Qiang Li
- Key Lab of Organic Optoelectronics and Molecular Engineering of Ministry of Education
- Department of Chemistry
- Tsinghua University
- Beijing 100084
- China
| | - Jia-Lin Sun
- Collaborative Innovation Center of Quantum Matter
- State Key Laboratory of Low-Dimensional Quantum Physics
- Department of Physics
- Tsinghua University
- Beijing 100084
| | - Qingfeng Yan
- Key Lab of Organic Optoelectronics and Molecular Engineering of Ministry of Education
- Department of Chemistry
- Tsinghua University
- Beijing 100084
- China
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127
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Zhang H, Xu Y, Sun Q, Dong J, Lu Y, Zhang B, Jie W. Lead free halide perovskite Cs3Bi2I9 bulk crystals grown by a low temperature solution method. CrystEngComm 2018. [DOI: 10.1039/c8ce00925b] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Cs3Bi2I9 single crystals grown by a low temperature solution method.
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Affiliation(s)
- Hongjian Zhang
- State Key Laboratory of Solidification Processing & Key Laboratory of Radiation Detection Materials and Devices & School of Materials Science and Engineering
- Northwestern Polytechnical University
- Xi'an 710072
- China
| | - Yadong Xu
- State Key Laboratory of Solidification Processing & Key Laboratory of Radiation Detection Materials and Devices & School of Materials Science and Engineering
- Northwestern Polytechnical University
- Xi'an 710072
- China
| | - Qihao Sun
- State Key Laboratory of Solidification Processing & Key Laboratory of Radiation Detection Materials and Devices & School of Materials Science and Engineering
- Northwestern Polytechnical University
- Xi'an 710072
- China
| | - Jiangpeng Dong
- State Key Laboratory of Solidification Processing & Key Laboratory of Radiation Detection Materials and Devices & School of Materials Science and Engineering
- Northwestern Polytechnical University
- Xi'an 710072
- China
| | - Yufei Lu
- State Key Laboratory of Solidification Processing & Key Laboratory of Radiation Detection Materials and Devices & School of Materials Science and Engineering
- Northwestern Polytechnical University
- Xi'an 710072
- China
| | - Binbin Zhang
- State Key Laboratory of Solidification Processing & Key Laboratory of Radiation Detection Materials and Devices & School of Materials Science and Engineering
- Northwestern Polytechnical University
- Xi'an 710072
- China
| | - Wanqi Jie
- State Key Laboratory of Solidification Processing & Key Laboratory of Radiation Detection Materials and Devices & School of Materials Science and Engineering
- Northwestern Polytechnical University
- Xi'an 710072
- China
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128
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Li Q, Liu Y, Zhang Y, Hu M, Yang Z, Liu S(F. Synergistic enhancement of Cs and Br doping in formamidinium lead halide perovskites for high performance optoelectronics. CrystEngComm 2018. [DOI: 10.1039/c8ce00916c] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Cs and Br doped FAPbI3 shows better phase stability as well as optoelectronic properties, furnishing it with good optoelectronic performance.
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Affiliation(s)
- Qingxian Li
- Key Laboratory of Applied Surface and Colloid Chemistry
- Ministry of Education
- Shaanxi Key Laboratory for Advanced Energy Devices
- Shaanxi Engineering Lab for Advanced Energy Technology
- Institute for Advanced Energy Materials
| | - Yucheng Liu
- Key Laboratory of Applied Surface and Colloid Chemistry
- Ministry of Education
- Shaanxi Key Laboratory for Advanced Energy Devices
- Shaanxi Engineering Lab for Advanced Energy Technology
- Institute for Advanced Energy Materials
| | - Yunxia Zhang
- Key Laboratory of Applied Surface and Colloid Chemistry
- Ministry of Education
- Shaanxi Key Laboratory for Advanced Energy Devices
- Shaanxi Engineering Lab for Advanced Energy Technology
- Institute for Advanced Energy Materials
| | - Mingxin Hu
- Key Laboratory of Applied Surface and Colloid Chemistry
- Ministry of Education
- Shaanxi Key Laboratory for Advanced Energy Devices
- Shaanxi Engineering Lab for Advanced Energy Technology
- Institute for Advanced Energy Materials
| | - Zhou Yang
- Key Laboratory of Applied Surface and Colloid Chemistry
- Ministry of Education
- Shaanxi Key Laboratory for Advanced Energy Devices
- Shaanxi Engineering Lab for Advanced Energy Technology
- Institute for Advanced Energy Materials
| | - Shengzhong (Frank) Liu
- Key Laboratory of Applied Surface and Colloid Chemistry
- Ministry of Education
- Shaanxi Key Laboratory for Advanced Energy Devices
- Shaanxi Engineering Lab for Advanced Energy Technology
- Institute for Advanced Energy Materials
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129
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Naphade R, Nagane S, Bansode U, Tathavadekar M, Sadhanala A, Ogale S. Synthetic Manipulation of Hybrid Perovskite Systems in Search of New and Enhanced Functionalities. CHEMSUSCHEM 2017; 10:3722-3739. [PMID: 28804965 DOI: 10.1002/cssc.201701093] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/21/2017] [Revised: 08/09/2017] [Indexed: 06/07/2023]
Abstract
Over the past few years the organic-inorganic hybrid perovskite systems have emerged as a promising class of materials for photovoltaic and electroluminescent thin-film device applications, in view of their unique set of tunable optoelectronic properties. Importantly, these materials can be easily solution-processed at low temperatures and as such are amenable to facile molecular engineering. Thus, a variety of low-dimensional forms and quantum structures of these materials can be obtained through strategic synthetic manipulations through small molecule incorporation or molecular ion doping. In this Minireview, we specifically focus on these approaches and outline the possibilities of utilizing these for enhanced functionalities and newer application domains.
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Affiliation(s)
- Rounak Naphade
- Department of Physics and Centre for Energy Science, Indian Institute of Science Education and Research (IISER), Dr. Homi Bhabha Road, Pune, 411008, India
| | - Satyawan Nagane
- Department of Physics and Centre for Energy Science, Indian Institute of Science Education and Research (IISER), Dr. Homi Bhabha Road, Pune, 411008, India
| | - Umesh Bansode
- National Chemical Laboratory (CSIR-NCL), Dr. Homi Bhabha Road, Pune, 411008, India
| | - Mukta Tathavadekar
- National Chemical Laboratory (CSIR-NCL), Dr. Homi Bhabha Road, Pune, 411008, India
| | - Aditya Sadhanala
- Cavendish Laboratory, JJ Thomson Avenue, CB30HE, Cambridge, United Kingdom
| | - Satishchandra Ogale
- Department of Physics and Centre for Energy Science, Indian Institute of Science Education and Research (IISER), Dr. Homi Bhabha Road, Pune, 411008, India
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130
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Sun S, Isikgor FH, Deng Z, Wei F, Kieslich G, Bristowe PD, Ouyang J, Cheetham AK. Factors Influencing the Mechanical Properties of Formamidinium Lead Halides and Related Hybrid Perovskites. CHEMSUSCHEM 2017; 10:3740-3745. [PMID: 28666079 DOI: 10.1002/cssc.201700991] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/06/2017] [Revised: 06/28/2017] [Indexed: 06/07/2023]
Abstract
The mechanical properties of formamidinium lead halide perovskites (FAPbX3 , X=Br or I) grown by inverse-temperature crystallization have been studied by nanoindentation. The measured Young's moduli (9.7-12.3 GPa) and hardnesses (0.36-0.45 GPa) indicate good mechanical flexibility and ductility. The effects of hydrogen bonding were evaluated by performing ab initio molecular dynamics on both formamidinium and methylammonium perovskites and calculating radial distribution functions. The structural and chemical factors influencing these properties are discussed by comparison with corresponding values in the literature for other hybrid perovskites, including double perovskites. Our results reveal that bonding in the inorganic framework and hydrogen bonding play important roles in determining elastic stiffness. The influence of the organic cation becomes more important for structures at the limit of their perovskite stability, indicated by high tolerance factors.
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Affiliation(s)
- Shijing Sun
- Department of Materials Science and Metallurgy, University of Cambridge, CB3 0FS, Cambridge, U. K
| | - Furkan H Isikgor
- Department of Materials Science and Engineering, National University of Singapore, 9 Engineering Drive 1, 117575, Singapore
| | - Zeyu Deng
- Department of Materials Science and Metallurgy, University of Cambridge, CB3 0FS, Cambridge, U. K
| | - Fengxia Wei
- Department of Materials Science and Metallurgy, University of Cambridge, CB3 0FS, Cambridge, U. K
| | - Gregor Kieslich
- Department of Chemistry, Technical University of Munich, Lichtenbergstrasse 4, 85748, Garching, Germany
| | - Paul D Bristowe
- Department of Materials Science and Metallurgy, University of Cambridge, CB3 0FS, Cambridge, U. K
| | - Jianyong Ouyang
- Department of Materials Science and Engineering, National University of Singapore, 9 Engineering Drive 1, 117575, Singapore
| | - Anthony K Cheetham
- Department of Materials Science and Metallurgy, University of Cambridge, CB3 0FS, Cambridge, U. K
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131
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Wenger B, Nayak PK, Wen X, Kesava SV, Noel NK, Snaith HJ. Consolidation of the optoelectronic properties of CH 3NH 3PbBr 3 perovskite single crystals. Nat Commun 2017; 8:590. [PMID: 28928482 PMCID: PMC5605602 DOI: 10.1038/s41467-017-00567-8] [Citation(s) in RCA: 79] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2016] [Accepted: 07/10/2017] [Indexed: 11/26/2022] Open
Abstract
Ultralow trap densities, exceptional optical and electronic properties have been reported for lead halide perovskites single crystals; however, ambiguities in basic properties, such as the band gap, and the electronic defect densities in the bulk and at the surface prevail. Here, we synthesize single crystals of methylammonium lead bromide (CH3NH3PbBr3), characterise the optical absorption and photoluminescence and show that the optical properties of single crystals are almost identical to those of polycrystalline thin films. We observe significantly longer lifetimes and show that carrier diffusion plays a substantial role in the photoluminescence decay. Contrary to many reports, we determine that the trap density in CH3NH3PbBr3 perovskite single crystals is 1015 cm−3, only one order of magnitude lower than in the thin films. Our enhanced understanding of optical properties and recombination processes elucidates ambiguities in earlier reports, and highlights the discrepancies in the estimation of trap densities from electronic and optical methods. Metal halide perovskites for optoelectronic devices have been extensively studied in two forms: single-crystals or polycrystalline thin films. Using spectroscopic approaches, Wenger et al. show that polycrystalline thin films possess similar optoelectronic properties to single crystals.
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Affiliation(s)
- Bernard Wenger
- Clarendon Laboratory, University of Oxford, Parks Road, Oxford, OX1 3PU, UK
| | - Pabitra K Nayak
- Clarendon Laboratory, University of Oxford, Parks Road, Oxford, OX1 3PU, UK
| | - Xiaoming Wen
- Australian Centre for Advanced Photovoltaics, University of New South Wales, Sydney, 2052, New South Wales, Australia.,Centre for Micro-Photonics, Swinburne University of Technology, Hawthorn, Victoria, 3122, Australia
| | - Sameer V Kesava
- Clarendon Laboratory, University of Oxford, Parks Road, Oxford, OX1 3PU, UK
| | - Nakita K Noel
- Clarendon Laboratory, University of Oxford, Parks Road, Oxford, OX1 3PU, UK
| | - Henry J Snaith
- Clarendon Laboratory, University of Oxford, Parks Road, Oxford, OX1 3PU, UK.
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132
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Nazarenko O, Kotyrba MR, Wörle M, Cuervo-Reyes E, Yakunin S, Kovalenko MV. Luminescent and Photoconductive Layered Lead Halide Perovskite Compounds Comprising Mixtures of Cesium and Guanidinium Cations. Inorg Chem 2017; 56:11552-11564. [PMID: 28895725 DOI: 10.1021/acs.inorgchem.7b01204] [Citation(s) in RCA: 70] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Interest in hybrid organic-inorganic lead halide compounds with perovskite-like two-dimensional crystal structures is growing due to the unique electronic and optoelectronic properties of these compounds. Herein, we demonstrate the synthesis, thermal and optical properties, and calculations of the electronic band structures for one- and two-layer compounds comprising both cesium and guanidinium cations: Cs[C(NH2)3]PbI4 (I), Cs[C(NH2)3]PbBr4 (II), and Cs2[C(NH2)3]Pb2Br7 (III). Compounds I and II exhibit intense photoluminescence at low temperatures, whereas compound III is emissive at room temperature. All of the obtained substances are stable in air and do not thermally decompose until 300 °C. Since Cs+ and C(NH2)3+ are increasingly utilized in precursor solutions for depositing polycrystalline lead halide perovskite thin films for photovoltaics, exploring possible compounds within this compositional space is of high practical relevance to understanding the photophysics and atomistic chemical nature of such films.
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Affiliation(s)
- Olga Nazarenko
- ETH Zürich , Department of Chemistry and Applied Biosciences, CH-8093 Zurich, Switzerland.,Empa-Swiss Federal Laboratories for Materials Science and Technology , CH-8600 Dübendorf, Switzerland
| | - Martin Robert Kotyrba
- ETH Zürich , Department of Chemistry and Applied Biosciences, CH-8093 Zurich, Switzerland.,Empa-Swiss Federal Laboratories for Materials Science and Technology , CH-8600 Dübendorf, Switzerland
| | - Michael Wörle
- ETH Zürich , Department of Chemistry and Applied Biosciences, CH-8093 Zurich, Switzerland
| | - Eduardo Cuervo-Reyes
- Empa-Swiss Federal Laboratories for Materials Science and Technology , CH-8600 Dübendorf, Switzerland
| | - Sergii Yakunin
- ETH Zürich , Department of Chemistry and Applied Biosciences, CH-8093 Zurich, Switzerland.,Empa-Swiss Federal Laboratories for Materials Science and Technology , CH-8600 Dübendorf, Switzerland
| | - Maksym V Kovalenko
- ETH Zürich , Department of Chemistry and Applied Biosciences, CH-8093 Zurich, Switzerland.,Empa-Swiss Federal Laboratories for Materials Science and Technology , CH-8600 Dübendorf, Switzerland
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133
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Huang H, Bodnarchuk MI, Kershaw SV, Kovalenko MV, Rogach AL. Lead Halide Perovskite Nanocrystals in the Research Spotlight: Stability and Defect Tolerance. ACS ENERGY LETTERS 2017; 2:2071-2083. [PMID: 28920080 PMCID: PMC5594444 DOI: 10.1021/acsenergylett.7b00547] [Citation(s) in RCA: 411] [Impact Index Per Article: 58.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/26/2017] [Accepted: 08/10/2017] [Indexed: 05/19/2023]
Abstract
This Perspective outlines basic structural and optical properties of lead halide perovskite colloidal nanocrystals, highlighting differences and similarities between them and conventional II-VI and III-V semiconductor quantum dots. A detailed insight into two important issues inherent to lead halide perovskite nanocrystals then follows, namely, the advantages of defect tolerance and the necessity to improve their stability in environmental conditions. The defect tolerance of lead halide perovskites offers an impetus to search for similar attributes in other related heavy metal-free compounds. We discuss the origins of the significantly blue-shifted emission from CsPbBr3 nanocrystals and the synthetic strategies toward fabrication of stable perovskite nanocrystal materials with emission in the red and infrared parts of the optical spectrum, which are related to fabrication of mixed cation compounds guided by Goldschmidt tolerance factor considerations. We conclude with the view on perspectives of use of the colloidal perovskite nanocrystals for applications in backlighting of liquid-crystal TV displays.
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Affiliation(s)
- He Huang
- Department
of Materials Science and Engineering and Centre for Functional Photonics
(CFP), City University of Hong Kong, Kowloon, Hong Kong SAR
| | - Maryna I. Bodnarchuk
- Institute
of Inorganic
Chemistry, Department of Chemistry and Applied Biosciences, ETH Zürich, CH-8093 Zürich, Switzerland
- Laboratory
for Thin Films and Photovoltaics, Empa −
Swiss Federal Laboratories for Materials Science and Technology, Überlandstrasse 129, CH-8600 Dübendorf, Switzerland
| | - Stephen V. Kershaw
- Department
of Materials Science and Engineering and Centre for Functional Photonics
(CFP), City University of Hong Kong, Kowloon, Hong Kong SAR
| | - Maksym V. Kovalenko
- Institute
of Inorganic
Chemistry, Department of Chemistry and Applied Biosciences, ETH Zürich, CH-8093 Zürich, Switzerland
- Laboratory
for Thin Films and Photovoltaics, Empa −
Swiss Federal Laboratories for Materials Science and Technology, Überlandstrasse 129, CH-8600 Dübendorf, Switzerland
- E-mail: (M.V.K.)
| | - Andrey L. Rogach
- Department
of Materials Science and Engineering and Centre for Functional Photonics
(CFP), City University of Hong Kong, Kowloon, Hong Kong SAR
- E-mail: (A.L.R.)
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134
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Zhang Y, Fei Z, Gao P, Lee Y, Tirani FF, Scopelliti R, Feng Y, Dyson PJ, Nazeeruddin MK. A Strategy to Produce High Efficiency, High Stability Perovskite Solar Cells Using Functionalized Ionic Liquid-Dopants. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2017; 29:1702157. [PMID: 28741706 DOI: 10.1002/adma.201702157] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/17/2017] [Revised: 06/03/2017] [Indexed: 06/07/2023]
Abstract
Functionalized imidazolium iodide salts (ionic liquids) modified with CH2 CHCH2 , CH2 CCH, or CH2 CN groups are applied as dopants in the synthesis of CH3 NH3 PbI3 -type perovskites together with a fumigation step. Notably, a solar cell device prepared from the perovskite film doped with the salt containing the CH2 CHCH2 side-chain has a power conversion efficiency of 19.21%, which is the highest efficiency reported for perovskite solar cells involving a fumigation step. However, doping with the imidazolium salts with the CH2 CCH and CH2 CN groups result in perovskite layers that lead to solar cell devices with similar or lower power conversion efficiencies than the dopant-free cell.
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Affiliation(s)
- Yi Zhang
- Group for Molecular Engineering of Functional Materials, Institute of Chemical Sciences and Engineering, École Polytechnique Fédérale de Lausanne, CH-1951, Sion, Switzerland
- School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, China
| | - Zhaofu Fei
- Institut des Sciences et Ingénierie Chimiques, Ecole Polytechnique Fédérale de Lausanne (EPFL), CH-1015, Lausanne, Switzerland
| | - Peng Gao
- Group for Molecular Engineering of Functional Materials, Institute of Chemical Sciences and Engineering, École Polytechnique Fédérale de Lausanne, CH-1951, Sion, Switzerland
| | - Yonghui Lee
- Group for Molecular Engineering of Functional Materials, Institute of Chemical Sciences and Engineering, École Polytechnique Fédérale de Lausanne, CH-1951, Sion, Switzerland
| | - Farzaneh Fadaei Tirani
- Institut des Sciences et Ingénierie Chimiques, Ecole Polytechnique Fédérale de Lausanne (EPFL), CH-1015, Lausanne, Switzerland
| | - Rosario Scopelliti
- Institut des Sciences et Ingénierie Chimiques, Ecole Polytechnique Fédérale de Lausanne (EPFL), CH-1015, Lausanne, Switzerland
| | - Yaqing Feng
- School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, China
| | - Paul J Dyson
- Institut des Sciences et Ingénierie Chimiques, Ecole Polytechnique Fédérale de Lausanne (EPFL), CH-1015, Lausanne, Switzerland
| | - Mohammad Khaja Nazeeruddin
- Group for Molecular Engineering of Functional Materials, Institute of Chemical Sciences and Engineering, École Polytechnique Fédérale de Lausanne, CH-1951, Sion, Switzerland
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135
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Lewis AE, Zhang Y, Gao P, Nazeeruddin MK. Unveiling the Concentration-Dependent Grain Growth of Perovskite Films from One- and Two-Step Deposition Methods: Implications for Photovoltaic Application. ACS APPLIED MATERIALS & INTERFACES 2017; 9:25063-25066. [PMID: 28721721 DOI: 10.1021/acsami.7b05892] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
In order to achieve high-efficiency perovskite solar cells, understanding both the crystal structure and the optoelectronic properties of perovskite layers is of importance. This paper uses crystallization analysis and the modeling study of two different perovskite deposition methods (two- and one-step methods) and thereby shows that the one-step method embodies a film formation process that is dominated by crystal growth, while the dominant mechanism of the two-step procedure is nucleation. Our data based on experimental and theory shows that the one-step recipe is superior in terms of morphology control, and, hence, reproducibility, compared to the two-step recipe.
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Affiliation(s)
- Alison E Lewis
- Crystallization and Precipitation Research Unit, Department of Chemical Engineering University of Cape Town , Private Bag, Rondebosch, 7700, Cape Town, South Africa
| | - Yi Zhang
- Group for Molecular Engineering of Functional Materials, Institute of Chemical Sciences and Engineering, Ecole Polytechnique Federale de Lausanne CH-1951 Sion, Switzerland
| | - Peng Gao
- Group for Molecular Engineering of Functional Materials, Institute of Chemical Sciences and Engineering, Ecole Polytechnique Federale de Lausanne CH-1951 Sion, Switzerland
| | - Mohammad Khaja Nazeeruddin
- Group for Molecular Engineering of Functional Materials, Institute of Chemical Sciences and Engineering, Ecole Polytechnique Federale de Lausanne CH-1951 Sion, Switzerland
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136
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Fang HH, Protesescu L, Balazs DM, Adjokatse S, Kovalenko MV, Loi MA. Exciton Recombination in Formamidinium Lead Triiodide: Nanocrystals versus Thin Films. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2017; 13:1700673. [PMID: 28640463 DOI: 10.1002/smll.201700673] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2017] [Revised: 04/16/2017] [Indexed: 05/23/2023]
Abstract
The optical properties of the newly developed near-infrared emitting formamidinium lead triiodide (FAPbI3 ) nanocrystals (NCs) and their polycrystalline thin film counterpart are comparatively investigated by means of steady-state and time-resolved photoluminescence. The excitonic emission is dominant in NC ensemble because of the localization of electron-hole pairs. A promisingly high quantum yield above 70%, and a large absorption cross-section (5.2 × 10-13 cm-2 ) are measured. At high pump fluence, biexcitonic recombination is observed, featuring a slow recombination lifetime of 0.4 ns. In polycrystalline thin films, the quantum efficiency is limited by nonradiative trap-assisted recombination that turns to bimolecular at high pump fluences. From the temperature-dependent photoluminescence (PL) spectra, a phase transition is clearly observed in both NC ensemble and polycrystalline thin film. It is interesting to note that NC ensemble shows PL temperature antiquenching, in contrast to the strong PL quenching displayed by polycrystalline thin films. This difference is explained in terms of thermal activation of trapped carriers at the nanocrystal's surface, as opposed to the exciton thermal dissociation and trap-mediated recombination, which occur in thin films at higher temperatures.
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Affiliation(s)
- Hong-Hua Fang
- Photophysics & OptoElectronics, Zernike Institute for Advanced Materials, Nijenborgh 4, Groningen, 9747, AG, The Netherlands
| | - Loredana Protesescu
- Department of Chemistry and Applied Biosciences, ETH Zürich, Vladimir Prelog Weg 1, Zürich, 8093, Switzerland
- EMPA-Swiss Federal Laboratories for Materials Science and Technology, Überlandstrasse, 129, Dübendorf, 8600, Switzerland
| | - Daniel M Balazs
- Photophysics & OptoElectronics, Zernike Institute for Advanced Materials, Nijenborgh 4, Groningen, 9747, AG, The Netherlands
| | - Sampson Adjokatse
- Photophysics & OptoElectronics, Zernike Institute for Advanced Materials, Nijenborgh 4, Groningen, 9747, AG, The Netherlands
| | - Maksym V Kovalenko
- Department of Chemistry and Applied Biosciences, ETH Zürich, Vladimir Prelog Weg 1, Zürich, 8093, Switzerland
- EMPA-Swiss Federal Laboratories for Materials Science and Technology, Überlandstrasse, 129, Dübendorf, 8600, Switzerland
| | - Maria Antonietta Loi
- Photophysics & OptoElectronics, Zernike Institute for Advanced Materials, Nijenborgh 4, Groningen, 9747, AG, The Netherlands
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137
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Diab H, Arnold C, Lédée F, Trippé-Allard G, Delport G, Vilar C, Bretenaker F, Barjon J, Lauret JS, Deleporte E, Garrot D. Impact of Reabsorption on the Emission Spectra and Recombination Dynamics of Hybrid Perovskite Single Crystals. J Phys Chem Lett 2017; 8:2977-2983. [PMID: 28608691 DOI: 10.1021/acs.jpclett.7b00998] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/18/2023]
Abstract
Understanding the surface properties of organic-inorganic lead-based perovskites is of high importance to improve the device's performance. Here, we have investigated the differences between surface and bulk optical properties of CH3NH3PbBr3 single crystals. Depth-resolved cathodoluminescence was used to probe the near-surface region on a depth of a few microns. In addition, we have studied the transmitted luminescence through thicknesses between 50 and 600 μm. In both experiments, the expected spectral shift due to the reabsorption effect has been precisely calculated. We demonstrate that reabsorption explains the important variations reported for the emission energy of single crystals. Single crystals are partially transparent to their own luminescence, and radiative transport is the dominant mechanism for propagation of the excitation in thick crystals. The transmitted luminescence dynamics are characterized by a long rise time and a lengthening of their decay due to photon recycling and light trapping.
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Affiliation(s)
- Hiba Diab
- Laboratoire Aimé Cotton , CNRS, Univ. Paris-Sud, ENS Paris-Saclay, Université Paris-Saclay, 91405 Orsay Cedex, France
| | - Christophe Arnold
- Groupe d'Etude de la Matiére Condensée , CNRS, Université de Versailles Saint Quentin En Yvelines, Université Paris-Saclay, 45 Avenue des Etats-Unis, 78035 Versailles, France
| | - Ferdinand Lédée
- Laboratoire Aimé Cotton , CNRS, Univ. Paris-Sud, ENS Paris-Saclay, Université Paris-Saclay, 91405 Orsay Cedex, France
| | - Gaëlle Trippé-Allard
- Laboratoire Aimé Cotton , CNRS, Univ. Paris-Sud, ENS Paris-Saclay, Université Paris-Saclay, 91405 Orsay Cedex, France
| | - Géraud Delport
- Laboratoire Aimé Cotton , CNRS, Univ. Paris-Sud, ENS Paris-Saclay, Université Paris-Saclay, 91405 Orsay Cedex, France
| | - Christèle Vilar
- Groupe d'Etude de la Matiére Condensée , CNRS, Université de Versailles Saint Quentin En Yvelines, Université Paris-Saclay, 45 Avenue des Etats-Unis, 78035 Versailles, France
| | - Fabien Bretenaker
- Laboratoire Aimé Cotton , CNRS, Univ. Paris-Sud, ENS Paris-Saclay, Université Paris-Saclay, 91405 Orsay Cedex, France
| | - Julien Barjon
- Groupe d'Etude de la Matiére Condensée , CNRS, Université de Versailles Saint Quentin En Yvelines, Université Paris-Saclay, 45 Avenue des Etats-Unis, 78035 Versailles, France
| | - Jean-Sébastien Lauret
- Laboratoire Aimé Cotton , CNRS, Univ. Paris-Sud, ENS Paris-Saclay, Université Paris-Saclay, 91405 Orsay Cedex, France
| | - Emmanuelle Deleporte
- Laboratoire Aimé Cotton , CNRS, Univ. Paris-Sud, ENS Paris-Saclay, Université Paris-Saclay, 91405 Orsay Cedex, France
| | - Damien Garrot
- Groupe d'Etude de la Matiére Condensée , CNRS, Université de Versailles Saint Quentin En Yvelines, Université Paris-Saclay, 45 Avenue des Etats-Unis, 78035 Versailles, France
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138
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Chen D, Chen X, Wan Z, Fang G. Full-Spectral Fine-Tuning Visible Emissions from Cation Hybrid Cs 1-mFA mPbX 3 (X = Cl, Br, and I, 0 ≤ m ≤ 1) Quantum Dots. ACS APPLIED MATERIALS & INTERFACES 2017; 9:20671-20678. [PMID: 28569064 DOI: 10.1021/acsami.7b05429] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Full-color visible emissions are particularly crucial for applications in displays and lightings. In this work, we developed a facile room-temperature ligand-assisted supersaturated recrystallization synthesis of monodisperse, cubic structure Cs1-mFAmPbX3 (X = Cl, Br, and I or their mixtures Cl/Br and Br/I, 0 ≤ m ≤ 1) hybrid perovskite quantum dots (QDs). Impressively, cation substitution of Cs+ by FA+ was beneficial in finely tuning the band gap and in exciton recombination kinetics, improving the structural stability, and raising the absolute quantum yields up to 85%. With further assistance of anion replacement, full-spectral visible emissions in the wavelength range of 450-750 nm; narrow full width at half-maxima, and a wide color gamut, encompassing 130% of National Television System Committee television color standard, were achieved. Finally, Cs1-mFAmPbX3-polymer films retaining multicolor luminescence are prepared and a prototype white light-emitting diode device was constructed using green Cs0.1FA0.9PbBr3 and red Cs0.1FA0.9Br1.5I1.5 QDs as color converters, certainly suggesting their potential applications in the optoelectronics field.
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Affiliation(s)
- Daqin Chen
- College of Materials and Environmental Engineering, Hangzhou Dianzi University , Hangzhou 310018, China
| | - Xiao Chen
- College of Materials and Environmental Engineering, Hangzhou Dianzi University , Hangzhou 310018, China
| | - Zhongyi Wan
- College of Materials and Environmental Engineering, Hangzhou Dianzi University , Hangzhou 310018, China
| | - Gaoliang Fang
- College of Materials and Environmental Engineering, Hangzhou Dianzi University , Hangzhou 310018, China
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139
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Yu D, Cao F, Shen Y, Liu X, Zhu Y, Zeng H. Dimensionality and Interface Engineering of 2D Homologous Perovskites for Boosted Charge-Carrier Transport and Photodetection Performances. J Phys Chem Lett 2017; 8:2565-2572. [PMID: 28534409 DOI: 10.1021/acs.jpclett.7b00993] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/07/2023]
Abstract
Two-dimensional (2D) homologous halide perovskite (HP) microcrystallines have emerged as a promising alternative light-sensitive material; however, the undesirable quantum confinement effect and severe interfacial charge-carrier scattering still hamper their applications in photodetectors (PDs). Here we propose a novel postsynthetic treatment to simultaneously solve both problems. 2D (OA)2FAn-1PbnBr3n+1 (OA and FA represent octadecylamine and formamidine) microplatelet film was immersed in solution containing FA+, leading to improvements in two aspects. First, the dimensionality of 2D HPs was increased through an exchange reaction between OA+ and FA+, which meliorates the quantum confinement effect and facilitates the separation of electrons and holes; second, the free-standing 2D HP microcrystallines were fused for promoted interdomain charge-carrier transport. The treated PDs achieved a 3600 and 4200% increase in external quantum yield and responsivity up to 7100% and 32 A/W, respectively, and the rise/decay time was shortened by two orders of magnitude to 0.25/1.45 ms.
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Affiliation(s)
- Dejian Yu
- Institute of Optoelectronics & Nanimaterials, MIIT Key Laboratory of Advanced Display Material and Devices, College of Materials Science and Engineering, Nanjing University of Science and Technology , Nanjing 210094, China
| | - Fei Cao
- Institute of Optoelectronics & Nanimaterials, MIIT Key Laboratory of Advanced Display Material and Devices, College of Materials Science and Engineering, Nanjing University of Science and Technology , Nanjing 210094, China
| | - Yalong Shen
- Institute of Optoelectronics & Nanimaterials, MIIT Key Laboratory of Advanced Display Material and Devices, College of Materials Science and Engineering, Nanjing University of Science and Technology , Nanjing 210094, China
| | - Xuhai Liu
- Institute of Optoelectronics & Nanimaterials, MIIT Key Laboratory of Advanced Display Material and Devices, College of Materials Science and Engineering, Nanjing University of Science and Technology , Nanjing 210094, China
| | - Ying Zhu
- Institute of Optoelectronics & Nanimaterials, MIIT Key Laboratory of Advanced Display Material and Devices, College of Materials Science and Engineering, Nanjing University of Science and Technology , Nanjing 210094, China
| | - Haibo Zeng
- Institute of Optoelectronics & Nanimaterials, MIIT Key Laboratory of Advanced Display Material and Devices, College of Materials Science and Engineering, Nanjing University of Science and Technology , Nanjing 210094, China
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140
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Levchuk I, Osvet A, Tang X, Brandl M, Perea JD, Hoegl F, Matt GJ, Hock R, Batentschuk M, Brabec CJ. Brightly Luminescent and Color-Tunable Formamidinium Lead Halide Perovskite FAPbX 3 (X = Cl, Br, I) Colloidal Nanocrystals. NANO LETTERS 2017; 17:2765-2770. [PMID: 28388067 DOI: 10.1021/acs.nanolett.6b04781] [Citation(s) in RCA: 161] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
In the past few years, hybrid organic-inorganic and all-inorganic metal halide perovskite nanocrystals have become one of the most interesting materials for optoelectronic applications. Here, we report a facile and rapid room temperature synthesis of 15-25 nm formamidinium CH(NH2)2PbX3 (X = Cl, Br, I, or mixed Cl/Br and Br/I) colloidal nanocrystals by ligand-assisted reprecipitation (LARP). The cubic and platelet-like nanocrystals with their emission in the range of 415-740 nm, full width at half-maximum (fwhm) of 20-44 nm, and radiative lifetimes of 5-166 ns enable band gap tuning by halide composition as well as by their thickness tailoring; they have a high photoluminescence quantum yield (up to 85%), colloidal and thermodynamic stability. Combined with surface modification that prevents degradation by water, this nanocrystalline material is an ideal candidate for optoelectronic devices and applications. In addition, optoelectronic measurements verify that the photodetector based on FAPbI3 nanocrystals paves the way for perovskite quantum dot photovoltaics.
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Affiliation(s)
- Ievgen Levchuk
- Friedrich-Alexander-Universitat Erlangen-Nurnberg , Materials for Electronics and Energy Technology (i-MEET), Martensstrasse 7, 91058 Erlangen, Germany
- Energy Campus Nürnberg (EnCN) , Fürther Str. 250, 90429 Nürnberg, Germany
| | - Andres Osvet
- Friedrich-Alexander-Universitat Erlangen-Nurnberg , Materials for Electronics and Energy Technology (i-MEET), Martensstrasse 7, 91058 Erlangen, Germany
| | - Xiaofeng Tang
- Friedrich-Alexander-Universitat Erlangen-Nurnberg , Materials for Electronics and Energy Technology (i-MEET), Martensstrasse 7, 91058 Erlangen, Germany
- Erlangen Graduate School in Advanced Optical Technologies (SAOT) , Paul-Gordan-Str.6, 91052 Erlangen, Germany
| | - Marco Brandl
- Chair for Crystallography and Structural Physics, Friedrich-Alexander-University Erlangen-Nürnberg , Staudtstrasse 3, 91058 Erlangen, Germany
| | - José Darío Perea
- Friedrich-Alexander-Universitat Erlangen-Nurnberg , Materials for Electronics and Energy Technology (i-MEET), Martensstrasse 7, 91058 Erlangen, Germany
| | - Florian Hoegl
- Friedrich-Alexander-Universitat Erlangen-Nurnberg , Materials for Electronics and Energy Technology (i-MEET), Martensstrasse 7, 91058 Erlangen, Germany
| | - Gebhard J Matt
- Friedrich-Alexander-Universitat Erlangen-Nurnberg , Materials for Electronics and Energy Technology (i-MEET), Martensstrasse 7, 91058 Erlangen, Germany
| | - Rainer Hock
- Chair for Crystallography and Structural Physics, Friedrich-Alexander-University Erlangen-Nürnberg , Staudtstrasse 3, 91058 Erlangen, Germany
| | - Miroslaw Batentschuk
- Friedrich-Alexander-Universitat Erlangen-Nurnberg , Materials for Electronics and Energy Technology (i-MEET), Martensstrasse 7, 91058 Erlangen, Germany
| | - Christoph J Brabec
- Friedrich-Alexander-Universitat Erlangen-Nurnberg , Materials for Electronics and Energy Technology (i-MEET), Martensstrasse 7, 91058 Erlangen, Germany
- Energy Campus Nürnberg (EnCN) , Fürther Str. 250, 90429 Nürnberg, Germany
- ZAE Bayern , Renewable Energies, Haberstr. 2a, 91058 Erlangen, Germany
- Erlangen Graduate School in Advanced Optical Technologies (SAOT) , Paul-Gordan-Str.6, 91052 Erlangen, Germany
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141
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Kore BP, Kumar A, Pandey A, Kroon RE, Terblans JJ, Dhoble SJ, Swart HC. Spectroscopic Investigation of Up-Conversion Properties in Green Emitting BaMgF4:Yb3+,Tb3+ Phosphor. Inorg Chem 2017; 56:4996-5005. [DOI: 10.1021/acs.inorgchem.7b00044] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Bhushan P. Kore
- Department
of Physics, University of the Free State, P.O. Box 339, Bloemfontein 9300, South Africa
| | - Ashwini Kumar
- Department
of Physics, University of the Free State, P.O. Box 339, Bloemfontein 9300, South Africa
| | - Anurag Pandey
- Department
of Physics, University of the Free State, P.O. Box 339, Bloemfontein 9300, South Africa
| | - Robin E. Kroon
- Department
of Physics, University of the Free State, P.O. Box 339, Bloemfontein 9300, South Africa
| | - Jacobus J. Terblans
- Department
of Physics, University of the Free State, P.O. Box 339, Bloemfontein 9300, South Africa
| | - Sanjay J. Dhoble
- Department
of Physics, RTM Nagpur University, Nagpur 440033, India
| | - Hendrik C. Swart
- Department
of Physics, University of the Free State, P.O. Box 339, Bloemfontein 9300, South Africa
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142
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Kollár M, Ćirić L, Dil JH, Weber A, Muff S, Ronnow HM, Náfrádi B, Monnier BP, Luterbacher JS, Forró L, Horváth E. Clean, cleaved surfaces of the photovoltaic perovskite. Sci Rep 2017; 7:695. [PMID: 28386124 PMCID: PMC5429655 DOI: 10.1038/s41598-017-00799-0] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2016] [Accepted: 03/13/2017] [Indexed: 11/17/2022] Open
Abstract
The surface of a material is not only a window into its bulk physical properties, but also hosts unique phenomena important for understanding the properties of a solid as a whole. Surface sensitive techniques, like ARPES (Angle-resolved photoemission spectroscopy), STM (Scanning tunneling microscopy), AFM (Atomic force microscopy), pump-probe optical measurements etc. require flat, clean surfaces. These can be obtained by cleaving, which is usually possible for layered materials. Such measurements have proven their worth by providing valuable information about cuprate superconductors, graphene, transition metal dichalcogenides, topological insulators and many other novel materials. Unfortunately, this was so far not the case for the cubic, organo-metallic photovoltaic perovskite which morsels during the cleavage. Here we show a method which results in flat, clean surfaces of CH3NH3PbBr3 which allows surface sensitive measurements, badly needed for the understanding and further engineering of this material family.
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Affiliation(s)
- Márton Kollár
- Institute of Physics, Ecole Polytechnique Fédérale de Lausanne, CH-1015, Lausanne, Switzerland
| | - Luka Ćirić
- Institute of Physics, Ecole Polytechnique Fédérale de Lausanne, CH-1015, Lausanne, Switzerland
| | - J Hugo Dil
- Institute of Physics, Ecole Polytechnique Fédérale de Lausanne, CH-1015, Lausanne, Switzerland
- Swiss Light Source, Paul Scherrer Institute, CH-5232, Villigen, Switzerland
| | - Andrew Weber
- Institute of Physics, Ecole Polytechnique Fédérale de Lausanne, CH-1015, Lausanne, Switzerland
- Swiss Light Source, Paul Scherrer Institute, CH-5232, Villigen, Switzerland
| | - Stefan Muff
- Institute of Physics, Ecole Polytechnique Fédérale de Lausanne, CH-1015, Lausanne, Switzerland
- Swiss Light Source, Paul Scherrer Institute, CH-5232, Villigen, Switzerland
| | - Henrik M Ronnow
- Institute of Physics, Ecole Polytechnique Fédérale de Lausanne, CH-1015, Lausanne, Switzerland
| | - Bálint Náfrádi
- Institute of Physics, Ecole Polytechnique Fédérale de Lausanne, CH-1015, Lausanne, Switzerland
| | - Benjamin Pierre Monnier
- Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne, CH-1015, Lausanne, Switzerland
| | - Jeremy Scott Luterbacher
- Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne, CH-1015, Lausanne, Switzerland
| | - László Forró
- Institute of Physics, Ecole Polytechnique Fédérale de Lausanne, CH-1015, Lausanne, Switzerland.
| | - Endre Horváth
- Institute of Physics, Ecole Polytechnique Fédérale de Lausanne, CH-1015, Lausanne, Switzerland
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143
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Protesescu L, Yakunin S, Kumar S, Bär J, Bertolotti F, Masciocchi N, Guagliardi A, Grotevent M, Shorubalko I, Bodnarchuk MI, Shih CJ, Kovalenko MV. Dismantling the "Red Wall" of Colloidal Perovskites: Highly Luminescent Formamidinium and Formamidinium-Cesium Lead Iodide Nanocrystals. ACS NANO 2017; 11:3119-3134. [PMID: 28231432 PMCID: PMC5800405 DOI: 10.1021/acsnano.7b00116] [Citation(s) in RCA: 177] [Impact Index Per Article: 25.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2017] [Accepted: 02/23/2017] [Indexed: 05/21/2023]
Abstract
Colloidal nanocrystals (NCs) of APbX3-type lead halide perovskites [A = Cs+, CH3NH3+ (methylammonium or MA+) or CH(NH2)2+ (formamidinium or FA+); X = Cl-, Br-, I-] have recently emerged as highly versatile photonic sources for applications ranging from simple photoluminescence down-conversion (e.g., for display backlighting) to light-emitting diodes. From the perspective of spectral coverage, a formidable challenge facing the use of these materials is how to obtain stable emissions in the red and infrared spectral regions covered by the iodide-based compositions. So far, red-emissive CsPbI3 NCs have been shown to suffer from a delayed phase transformation into a nonluminescent, wide-band-gap 1D polymorph, and MAPbI3 exhibits very limited chemical durability. In this work, we report a facile colloidal synthesis method for obtaining FAPbI3 and FA-doped CsPbI3 NCs that are uniform in size (10-15 nm) and nearly cubic in shape and exhibit drastically higher robustness than their MA- or Cs-only cousins with similar sizes and morphologies. Detailed structural analysis indicated that the FAPbI3 NCs had a cubic crystal structure, while the FA0.1Cs0.9PbI3 NCs had a 3D orthorhombic structure that was isostructural to the structure of CsPbBr3 NCs. Bright photoluminescence (PL) with high quantum yield (QY > 70%) spanning red (690 nm, FA0.1Cs0.9PbI3 NCs) and near-infrared (near-IR, ca. 780 nm, FAPbI3 NCs) regions was sustained for several months or more in both the colloidal state and in films. The peak PL wavelengths can be fine-tuned by using postsynthetic cation- and anion-exchange reactions. Amplified spontaneous emissions with low thresholds of 28 and 7.5 μJ cm-2 were obtained from the films deposited from FA0.1Cs0.9PbI3 and FAPbI3 NCs, respectively. Furthermore, light-emitting diodes with a high external quantum efficiency of 2.3% were obtained by using FAPbI3 NCs.
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Affiliation(s)
- Loredana Protesescu
- Institute
of Inorganic Chemistry and Institute of Chemical and Bioengineering,
Department of Chemistry and Applied Bioscience, ETH Zürich, Vladimir Prelog Weg 1, CH-8093 Zürich, Switzerland
- Laboratory for Thin Films and Photovoltaics and Laboratory for Reliability Science and
Technology, Empa−Swiss Federal Laboratories
for Materials Science and Technology, Überlandstrasse 129, CH-8600 Dübendorf, Switzerland
| | - Sergii Yakunin
- Institute
of Inorganic Chemistry and Institute of Chemical and Bioengineering,
Department of Chemistry and Applied Bioscience, ETH Zürich, Vladimir Prelog Weg 1, CH-8093 Zürich, Switzerland
- Laboratory for Thin Films and Photovoltaics and Laboratory for Reliability Science and
Technology, Empa−Swiss Federal Laboratories
for Materials Science and Technology, Überlandstrasse 129, CH-8600 Dübendorf, Switzerland
| | - Sudhir Kumar
- Institute
of Inorganic Chemistry and Institute of Chemical and Bioengineering,
Department of Chemistry and Applied Bioscience, ETH Zürich, Vladimir Prelog Weg 1, CH-8093 Zürich, Switzerland
| | - Janine Bär
- Institute
of Inorganic Chemistry and Institute of Chemical and Bioengineering,
Department of Chemistry and Applied Bioscience, ETH Zürich, Vladimir Prelog Weg 1, CH-8093 Zürich, Switzerland
| | - Federica Bertolotti
- Dipartimento
di Scienza e Alta Tecnologia and To.Sca.Lab, Università dell’Insubria, Via Valleggio 11, I-22100 Como, Italy
| | - Norberto Masciocchi
- Dipartimento
di Scienza e Alta Tecnologia and To.Sca.Lab, Università dell’Insubria, Via Valleggio 11, I-22100 Como, Italy
| | - Antonietta Guagliardi
- Dipartimento
di Scienza e Alta Tecnologia and To.Sca.Lab, Università dell’Insubria, Via Valleggio 11, I-22100 Como, Italy
- Istituto
di Crystallografia and To.Sca.Lab, Consiglio
Nazionale delle Ricerche, Valleggio 11, I-22100 Como, Italy
| | - Matthias Grotevent
- Institute
of Inorganic Chemistry and Institute of Chemical and Bioengineering,
Department of Chemistry and Applied Bioscience, ETH Zürich, Vladimir Prelog Weg 1, CH-8093 Zürich, Switzerland
- Laboratory for Thin Films and Photovoltaics and Laboratory for Reliability Science and
Technology, Empa−Swiss Federal Laboratories
for Materials Science and Technology, Überlandstrasse 129, CH-8600 Dübendorf, Switzerland
| | - Ivan Shorubalko
- Laboratory for Thin Films and Photovoltaics and Laboratory for Reliability Science and
Technology, Empa−Swiss Federal Laboratories
for Materials Science and Technology, Überlandstrasse 129, CH-8600 Dübendorf, Switzerland
| | - Maryna I. Bodnarchuk
- Institute
of Inorganic Chemistry and Institute of Chemical and Bioengineering,
Department of Chemistry and Applied Bioscience, ETH Zürich, Vladimir Prelog Weg 1, CH-8093 Zürich, Switzerland
- Laboratory for Thin Films and Photovoltaics and Laboratory for Reliability Science and
Technology, Empa−Swiss Federal Laboratories
for Materials Science and Technology, Überlandstrasse 129, CH-8600 Dübendorf, Switzerland
| | - Chih-Jen Shih
- Institute
of Inorganic Chemistry and Institute of Chemical and Bioengineering,
Department of Chemistry and Applied Bioscience, ETH Zürich, Vladimir Prelog Weg 1, CH-8093 Zürich, Switzerland
| | - Maksym V. Kovalenko
- Institute
of Inorganic Chemistry and Institute of Chemical and Bioengineering,
Department of Chemistry and Applied Bioscience, ETH Zürich, Vladimir Prelog Weg 1, CH-8093 Zürich, Switzerland
- Laboratory for Thin Films and Photovoltaics and Laboratory for Reliability Science and
Technology, Empa−Swiss Federal Laboratories
for Materials Science and Technology, Überlandstrasse 129, CH-8600 Dübendorf, Switzerland
- E-mail:
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144
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Protesescu L, Yakunin S, Kumar S, Bär J, Bertolotti F, Masciocchi N, Guagliardi A, Grotevent M, Shorubalko I, Bodnarchuk MI, Shih CJ, Kovalenko MV. Dismantling the "Red Wall" of Colloidal Perovskites: Highly Luminescent Formamidinium and Formamidinium-Cesium Lead Iodide Nanocrystals. ACS NANO 2017; 11:3119-3134. [PMID: 28231432 DOI: 10.1021/acsnano.7b00116/suppl_file/nn7b00116_si_001.pdf] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
Colloidal nanocrystals (NCs) of APbX3-type lead halide perovskites [A = Cs+, CH3NH3+ (methylammonium or MA+) or CH(NH2)2+ (formamidinium or FA+); X = Cl-, Br-, I-] have recently emerged as highly versatile photonic sources for applications ranging from simple photoluminescence down-conversion (e.g., for display backlighting) to light-emitting diodes. From the perspective of spectral coverage, a formidable challenge facing the use of these materials is how to obtain stable emissions in the red and infrared spectral regions covered by the iodide-based compositions. So far, red-emissive CsPbI3 NCs have been shown to suffer from a delayed phase transformation into a nonluminescent, wide-band-gap 1D polymorph, and MAPbI3 exhibits very limited chemical durability. In this work, we report a facile colloidal synthesis method for obtaining FAPbI3 and FA-doped CsPbI3 NCs that are uniform in size (10-15 nm) and nearly cubic in shape and exhibit drastically higher robustness than their MA- or Cs-only cousins with similar sizes and morphologies. Detailed structural analysis indicated that the FAPbI3 NCs had a cubic crystal structure, while the FA0.1Cs0.9PbI3 NCs had a 3D orthorhombic structure that was isostructural to the structure of CsPbBr3 NCs. Bright photoluminescence (PL) with high quantum yield (QY > 70%) spanning red (690 nm, FA0.1Cs0.9PbI3 NCs) and near-infrared (near-IR, ca. 780 nm, FAPbI3 NCs) regions was sustained for several months or more in both the colloidal state and in films. The peak PL wavelengths can be fine-tuned by using postsynthetic cation- and anion-exchange reactions. Amplified spontaneous emissions with low thresholds of 28 and 7.5 μJ cm-2 were obtained from the films deposited from FA0.1Cs0.9PbI3 and FAPbI3 NCs, respectively. Furthermore, light-emitting diodes with a high external quantum efficiency of 2.3% were obtained by using FAPbI3 NCs.
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Affiliation(s)
| | | | | | | | - Federica Bertolotti
- Dipartimento di Scienza e Alta Tecnologia and To.Sca.Lab, Università dell'Insubria , Via Valleggio 11, I-22100 Como, Italy
| | - Norberto Masciocchi
- Dipartimento di Scienza e Alta Tecnologia and To.Sca.Lab, Università dell'Insubria , Via Valleggio 11, I-22100 Como, Italy
| | - Antonietta Guagliardi
- Dipartimento di Scienza e Alta Tecnologia and To.Sca.Lab, Università dell'Insubria , Via Valleggio 11, I-22100 Como, Italy
- Istituto di Crystallografia and To.Sca.Lab, Consiglio Nazionale delle Ricerche , Valleggio 11, I-22100 Como, Italy
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145
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Wang M. Exploring stability of formamidinium lead trihalide for solar cell application. Sci Bull (Beijing) 2017; 62:249-255. [PMID: 36659353 DOI: 10.1016/j.scib.2017.01.025] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2016] [Revised: 11/20/2016] [Accepted: 11/28/2016] [Indexed: 01/21/2023]
Abstract
Formamidinium lead triiodide (FAPbI3) is a promising photoactive perovskite for low-cost and efficient solar cells. This article reports on an experimental investigation on the stability of FAPbI3 by comparison with that of widely-used methylamidinium lead triiodide (MAPbI3). A hydration of the FAPbI3 with moisture could be the dominant mechanism for its degradation in air, rather than a common thermal decomposition in the MAPbI3. This can be mainly contributed to a relatively strong bond formation between formamidinium ions (FA+) and I-. Consequently, the stability of FAPbI3 based devices can be greatly enhanced by removal moisture in the surrounding. This conclusion renders FAPbI3 extremely attractive for stable perovskite solar cells with fine encapsulation.
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Affiliation(s)
- Mingkui Wang
- Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074, China.
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146
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Hou Y, Qiao H, Yang S, Li C, Zhao H, Yang HG. Molten Salt-Assisted Growth of Perovskite Films with Submillimeter-Sized Grains. Ind Eng Chem Res 2017. [DOI: 10.1021/acs.iecr.6b04478] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Yu Hou
- Key
Laboratory for Ultrafine Materials of Ministry of Education, School
of Materials Science and Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
- Centre
for Clean Environment and Energy, Gold Coast Campus, Griffith University, Queensland 4222, Australia
| | - Hongwei Qiao
- Key
Laboratory for Ultrafine Materials of Ministry of Education, School
of Materials Science and Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
| | - Shuang Yang
- Key
Laboratory for Ultrafine Materials of Ministry of Education, School
of Materials Science and Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
| | - Chunzhong Li
- Key
Laboratory for Ultrafine Materials of Ministry of Education, School
of Materials Science and Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
| | - Huijun Zhao
- Centre
for Clean Environment and Energy, Gold Coast Campus, Griffith University, Queensland 4222, Australia
| | - Hua Gui Yang
- Key
Laboratory for Ultrafine Materials of Ministry of Education, School
of Materials Science and Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
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147
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Sun S, Deng Z, Wu Y, Wei F, Halis Isikgor F, Brivio F, Gaultois MW, Ouyang J, Bristowe PD, Cheetham AK, Kieslich G. Variable temperature and high-pressure crystal chemistry of perovskite formamidinium lead iodide: a single crystal X-ray diffraction and computational study. Chem Commun (Camb) 2017. [DOI: 10.1039/c7cc00995j] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Single crystals of [(NH2)2CH]PbI3 undergo a cubic-to-tetragonal phase transition at low temperature and high pressure.
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Affiliation(s)
- Shijing Sun
- Department of Materials Science and Metallurgy
- University of Cambridge Cambridge
- UK
| | - Zeyu Deng
- Department of Materials Science and Metallurgy
- University of Cambridge Cambridge
- UK
| | - Yue Wu
- Department of Materials Science and Metallurgy
- University of Cambridge Cambridge
- UK
| | - Fengxia Wei
- Department of Materials Science and Metallurgy
- University of Cambridge Cambridge
- UK
- Institute of Materials Research and Engineering
- Agency for Science
| | - Furkan Halis Isikgor
- Department of Materials Science and Engineering
- National University of Singapore
- Singapore
| | - Federico Brivio
- Department of Materials Science and Metallurgy
- University of Cambridge Cambridge
- UK
| | | | - Jianyong Ouyang
- Department of Materials Science and Engineering
- National University of Singapore
- Singapore
| | - Paul D. Bristowe
- Department of Materials Science and Metallurgy
- University of Cambridge Cambridge
- UK
| | - Anthony K. Cheetham
- Department of Materials Science and Metallurgy
- University of Cambridge Cambridge
- UK
| | - Gregor Kieslich
- Department of Materials Science and Metallurgy
- University of Cambridge Cambridge
- UK
- Department of Chemistry
- Technical University of Munich
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148
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Rao HS, Chen BX, Wang XD, Kuang DB, Su CY. A micron-scale laminar MAPbBr3 single crystal for an efficient and stable perovskite solar cell. Chem Commun (Camb) 2017; 53:5163-5166. [DOI: 10.1039/c7cc02447a] [Citation(s) in RCA: 107] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
A novel strategy is used to prepare a MAPbBr3 single-crystal with a controllable thickness of 16 μm and a size of 6 × 8 mm.
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Affiliation(s)
- Hua-Shang Rao
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry
- Lehn Institute of Functional Materials
- School of Chemistry
- Sun Yat-sen University
- Guangzhou 510275
| | - Bai-Xue Chen
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry
- Lehn Institute of Functional Materials
- School of Chemistry
- Sun Yat-sen University
- Guangzhou 510275
| | - Xu-Dong Wang
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry
- Lehn Institute of Functional Materials
- School of Chemistry
- Sun Yat-sen University
- Guangzhou 510275
| | - Dai-Bin Kuang
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry
- Lehn Institute of Functional Materials
- School of Chemistry
- Sun Yat-sen University
- Guangzhou 510275
| | - Cheng-Yong Su
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry
- Lehn Institute of Functional Materials
- School of Chemistry
- Sun Yat-sen University
- Guangzhou 510275
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149
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Jana A, Mittal M, Singla A, Sapra S. Solvent-free, mechanochemical syntheses of bulk trihalide perovskites and their nanoparticles. Chem Commun (Camb) 2017; 53:3046-3049. [DOI: 10.1039/c7cc00666g] [Citation(s) in RCA: 90] [Impact Index Per Article: 12.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
For the first time, we have synthesized APbBr3 (A = Cs+/MA+/FA+, where MA+ = CH3NH3+ and FA+ = CH(NH2)2+) bulk as well as nanoparticles (NPs) by solid-state reactions at room temperature.
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Affiliation(s)
- Atanu Jana
- Department of Chemistry
- Indian Institute of Technology Delhi
- New Delhi 110016
- India
| | - Mona Mittal
- Department of Chemistry
- Indian Institute of Technology Delhi
- New Delhi 110016
- India
| | - Aayushi Singla
- Department of Chemistry
- Indian Institute of Technology Delhi
- New Delhi 110016
- India
| | - Sameer Sapra
- Department of Chemistry
- Indian Institute of Technology Delhi
- New Delhi 110016
- India
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150
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Zhang M, Zheng Z, Fu Q, Chen Z, He J, Zhang S, Yan L, Hu Y, Luo W. Growth and characterization of all-inorganic lead halide perovskite semiconductor CsPbBr3 single crystals. CrystEngComm 2017. [DOI: 10.1039/c7ce01709j] [Citation(s) in RCA: 107] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
The crystal structure transforms from orthorhombic to tetragonal at 88 °C and then to cubic at 130 °C.
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Affiliation(s)
- Mingzhi Zhang
- School of Optical and Electronic Information
- Huazhong University of Science and Technology
- Wuhan 430074
- PR China
| | - Zhiping Zheng
- School of Optical and Electronic Information
- Huazhong University of Science and Technology
- Wuhan 430074
- PR China
| | - Qiuyun Fu
- School of Optical and Electronic Information
- Huazhong University of Science and Technology
- Wuhan 430074
- PR China
- State Key Laboratory of Material Processing and Die & Mold Technology
| | - Zheng Chen
- School of Optical and Electronic Information
- Huazhong University of Science and Technology
- Wuhan 430074
- PR China
| | - Jianle He
- School of Optical and Electronic Information
- Huazhong University of Science and Technology
- Wuhan 430074
- PR China
| | - Sen Zhang
- School of Optical and Electronic Information
- Huazhong University of Science and Technology
- Wuhan 430074
- PR China
| | - Liang Yan
- School of Optical and Electronic Information
- Huazhong University of Science and Technology
- Wuhan 430074
- PR China
| | - Yunxiang Hu
- School of Optical and Electronic Information
- Huazhong University of Science and Technology
- Wuhan 430074
- PR China
| | - Wei Luo
- School of Optical and Electronic Information
- Huazhong University of Science and Technology
- Wuhan 430074
- PR China
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