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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202211619
|2 doi
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|a pubmed24n1184.xml
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|a (DE-627)NLM355261065
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|a (NLM)37021402
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Zhao, Chenxu
|e verfasserin
|4 aut
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|a Stabilization of FAPbI3 with Multifunctional Alkali-Functionalized Polymer
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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 Completed 17.07.2023
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|a Date Revised 18.07.2023
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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 defects located at the interfaces and grain boundaries (GBs) of perovskite films are detrimental to the photovoltaic performance and stability of perovskite solar cells. Manipulating the perovskite crystallization process and tailoring the interfaces with molecular passivators are the main effective strategies to mitigate performance loss and instability. Herein, a new strategy is reported to manipulate the crystallization process of FAPbI3 -rich perovskite by incorporating a small amount of alkali-functionalized polymers into the antisolvent solution. The synergic effects of the alkali cations and poly(acrylic acid) anion effectively passivate the defects on the surface and GBs of perovskite films. As a result, the rubidium (Rb)-functionalized poly(acrylic acid) significantly improves the power conversion efficiency of FAPbI3 perovskite solar cells to approaching 25% and reduces the risk of lead ion (Pb2+ ) leakage continuously via the strong interaction between CO bonds and Pb2+ . In addition, the unencapsulated device shows enhanced operational stability, retaining 80% of its initial efficiency after 500 h operation at maximum power point under one-sun illumination
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|a Journal Article
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|a alkali-functionalization
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|a lead leakage
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|a perovskites
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|a poly(acrylic acid)
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|a rubidium
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|a perovskite
|2 NLM
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|a 12194-71-7
|2 NLM
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|a Lead
|2 NLM
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|a 2P299V784P
|2 NLM
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|a Alkalies
|2 NLM
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|a Polymers
|2 NLM
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|a Zhang, Hong
|e verfasserin
|4 aut
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|a Almalki, Masaud
|e verfasserin
|4 aut
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|a Xu, Jia
|e verfasserin
|4 aut
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|a Krishna, Anurag
|e verfasserin
|4 aut
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|a Eickemeyer, Felix T
|e verfasserin
|4 aut
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|a Gao, Jing
|e verfasserin
|4 aut
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|a Wu, Yu Mao
|e verfasserin
|4 aut
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|a Zakeeruddin, Shaik M
|e verfasserin
|4 aut
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|a Chu, Junhao
|e verfasserin
|4 aut
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|a Yao, Jianxi
|e verfasserin
|4 aut
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|a Grätzel, Michael
|e verfasserin
|4 aut
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 35(2023), 28 vom: 19. Juli, Seite e2211619
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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|g volume:35
|g year:2023
|g number:28
|g day:19
|g month:07
|g pages:e2211619
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|u http://dx.doi.org/10.1002/adma.202211619
|3 Volltext
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