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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202304809
|2 doi
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|a pubmed24n1205.xml
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|a (DE-627)NLM361672438
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|a (NLM)37669571
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Wu, Nan
|e verfasserin
|4 aut
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| 245 |
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|a Stabilizing Precursor Solution and Controlling Crystallization Kinetics Simultaneously for High-Performance Perovskite Solar Cells
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|c 2023
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Revised 02.11.2023
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2023 Wiley-VCH GmbH.
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|a The efficiency of metal halide perovskite solar cells (PSCs) has skyrocketed; however, defects created by aging precursor solutions and during crystallization pose a significant barrier to the reproducibility and efficiency of solar cells. In this work, fluoro-N,N,N″,N″-tetramethylformamidinium hexafluorophosphate (F-(CH3 )4 CN2 PF6 , abbreviated as TFFH) is introduced to stabilize precursor solution and improve crystallization dynamics simultaneously for high-performance formamidinium lead iodide (FAPbI3 )-based perovskite indoor photovoltaics. The TFFH stabilizes the precursor solution by inhibiting oxidation of I- and reducing newly generated I0 to I- , and passivates undercoordinated Pb2+ by interacting with the Pb─I framework. Time-resolved optical diagnostics show prolonged perovskite crystallization dynamics and in situ defect passivation due to the presence of strong FA+ ···TFFH···Pb─I interaction. Simultaneous regulation of precursor solution and crystallization dynamics guarantee larger perovskite grain sizes, better crystal orientation, fewer defects and more efficient charge extraction in PSCs. The optimized PSCs achieve improved reproducibility and better stability and reach an efficiency of 42.43% at illumination of 1002 lux, which is the highest efficiency among all indoor photovoltaics. It is anticipated that the concurrent stabilization of solutions and regulation of crystallization dynamics will emerge as a prevalent approach for enhancing the reproducibility and efficiency of perovskite
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|a Journal Article
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|a controlling crystallization
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|a indoor photovoltaics
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|a perovskite solar cells
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|a stabilizing solution
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|a Yang, Tinghuan
|e verfasserin
|4 aut
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1 |
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|a Wang, Zhichao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wu, Yin
|e verfasserin
|4 aut
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1 |
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|a Wang, Yajie
|e verfasserin
|4 aut
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1 |
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|a Ma, Chuang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Haojin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Du, Yachao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhao, Di
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Shuang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Pengchi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Huang, Wenliang
|e verfasserin
|4 aut
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1 |
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|a Ren, Xiaodong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Shengzhong Frank
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhao, Kui
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 35(2023), 44 vom: 05. Nov., Seite e2304809
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
1 |
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|g volume:35
|g year:2023
|g number:44
|g day:05
|g month:11
|g pages:e2304809
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| 856 |
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|u http://dx.doi.org/10.1002/adma.202304809
|3 Volltext
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