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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202303061
|2 doi
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|a pubmed24n1191.xml
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|a (DE-627)NLM357381408
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|a (NLM)37235878
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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 |
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|a Wu, Guangbao
|e verfasserin
|4 aut
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|a Crystallinity and Phase Control in Formamidinium-Based Dion-Jacobson 2D Perovskite via Seed-Induced Growth for Efficient Photovoltaics
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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
|b cr
|2 rdacarrier
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|a Date Revised 07.09.2023
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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 2D perovskites based on Formamidinium (FA) hold the potential for excellent stability and a broad absorption range, making them attractive materials for solar cells. However, FA-based 2D perovskites produced via one-step processing exhibit poor crystallinity and random quasi-quantum wells (QWs), leading to subpar photovoltaic performance. In this study, a seed-induced growth approach is introduced employing MAPbCl3 and BDAPbI4 in the deposition of FA-based Dion-Jacobson 2D perovskite films. This method yields high-quality perovskite films as the seeds preferentially precipitate and serve as templates for the epitaxial growth of FA-based counterparts, effectively suppressing the δ phase. Moreover, the epitaxial growth facilitated by uniformly dispersed seeds results in simultaneous crystallization from top to bottom, efficiently mitigating random phases (n = 2, 3, 4…) induced by the diffusion of organic cations and, in turn, minimizing energy loss. The impact of seed-induced growth on the crystallization and phase distribution of FA-based 2D perovskites is systematically investigated. As a result, the optimized FA-based 2D perovskite solar cell delivers an outstanding efficiency of 20.0%, accompanied by a remarkable fill factor of 0.823. Additionally, the unencapsulated device demonstrates exceptional stability, maintaining 98% of its initial efficiency after 1344 h of storage
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|a Journal Article
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|a Dion-Jacobson phase
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|a FA-based 2D perovskites
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|a efficiency of 20%
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|a seed-induced growth
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|a solar cells
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|a Liu, Tanghao
|e verfasserin
|4 aut
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| 700 |
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|a Hu, Mengxiao
|e verfasserin
|4 aut
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1 |
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|a Zhang, Zhipeng
|e verfasserin
|4 aut
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1 |
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|a Li, Shilin
|e verfasserin
|4 aut
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1 |
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|a Xiao, Linge
|e verfasserin
|4 aut
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1 |
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|a Guo, Jia
|e verfasserin
|4 aut
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1 |
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|a Wang, Yueyang
|e verfasserin
|4 aut
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1 |
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|a Zhu, Annan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Wang
|e verfasserin
|4 aut
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|a Zhou, Huiqiong
|e verfasserin
|4 aut
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|a Zhang, Yuan
|e verfasserin
|4 aut
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1 |
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|a Chen, Runfeng
|e verfasserin
|4 aut
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|a Xing, Guichuan
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 35(2023), 36 vom: 26. Sept., Seite e2303061
|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:36
|g day:26
|g month:09
|g pages:e2303061
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|u http://dx.doi.org/10.1002/adma.202303061
|3 Volltext
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|a AR
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|d 35
|j 2023
|e 36
|b 26
|c 09
|h e2303061
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