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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202301115
|2 doi
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|a pubmed25n1184.xml
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|a (DE-627)NLM35530838X
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|a (NLM)37026169
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|a DE-627
|b ger
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Sun, Xiangyu
|e verfasserin
|4 aut
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| 245 |
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|a (111)-Dominated Perovskite Films by Antisolvent Engineering
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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 Fabricating perovskite films with a dominant crystal orientation is an effective path to realizing quasi-single-crystal perovskite film, which can eliminate the fluctuation of the electrical properties in films arising from grain-to-grain variations, and improve the performance of perovskite solar cells (PSCs). Perovskite (FAPbI3 ) films based on one-step antisolvent methods usually suffer from chaotic orientations due to the inevitable intermediate phase conversion from intermediates of PbI2 •DMSO, FA2 Pb3 I8 •4DMSO, and δ-FAPbI3 to α-FAPbI3 . Here, a high-quality perovskite film with (111) preferred orientation ((111)-α-FAPbI3 ) using a short-chain isomeric alcohol antisolvent, isopropanol (IPA) or isobutanol (IBA), is reported. The interaction between IPA and PbI2 leads to a corner-sharing structure instead of an edge-sharing PbI2 octahedron, sidestepping the formation of these intermediates. With the volatilization of IPA, FA+ can replace IPA in situ to form α-FAPbI3 along the (111) direction. Compared to randomly orientated perovskites, the dominantly (111) orientated perovskite ((111)-perovskite) exhibits improved carrier mobility, uniform surface potential, suppressed film defects and enhanced photostability. PSCs based on the (111)-perovskite films show 22% power conversion efficiency and excellent stability, which remains unchanged after 600 h continuous working at maximum power point, and 95% after 2000 h of storage in atmosphere environment
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|a Journal Article
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|a antisolvents
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|a defects
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|a high-orientation perovskites
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|a microstructural control
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|a working stability
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|a perovskite
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|a 12194-71-7
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|a Calcium Compounds
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|a Oxides
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|a 2-Propanol
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|a ND2M416302
|2 NLM
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| 700 |
1 |
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|a Li, Dongni
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhao, Lu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Yao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hu, Qin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Russell, Thomas P
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Fangze
|e verfasserin
|4 aut
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|a Wei, Jing
|e verfasserin
|4 aut
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|a Li, Hongbo
|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), 28 vom: 08. Juli, Seite e2301115
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnas
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| 773 |
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|g volume:35
|g year:2023
|g number:28
|g day:08
|g month:07
|g pages:e2301115
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|u http://dx.doi.org/10.1002/adma.202301115
|3 Volltext
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