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231225s2022 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202106118
|2 doi
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|a pubmed24n1113.xml
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|a (DE-627)NLM333995678
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|a (NLM)34862820
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|a DE-627
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|a eng
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|a Xiong, Zhuang
|e verfasserin
|4 aut
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|a Simultaneous Interfacial Modification and Crystallization Control by Biguanide Hydrochloride for Stable Perovskite Solar Cells with PCE of 24.4
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|c 2022
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|a Text
|b txt
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Revised 24.02.2022
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2022 Wiley-VCH GmbH.
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|a Interfacial modification, which serves multiple roles, is vital for the fabrication of efficient and stable perovskite solar cells. Here, a multifunctional interfacial material, biguanide hydrochloride (BGCl), is introduced between tin oxide (SnO2 ) and perovskite to enhance electron extraction, as well as the crystal growth of the perovskite. The BGCl can chemically link to the SnO2 through Lewis coordination/electrostatic coupling and help to anchor the PbI2 . Better energetic alignment, reduced interfacial defects, and homogeneous perovskite crystallites are achieved, yielding an impressive certified power conversion efficiency (PCE) of 24.4%, with an open-circuit voltage of 1.19 V and a drastically improved fill factor of 82.4%. More importantly, the unencapsulated device maintains 95% of its initial PCE after aging for over 500 h at 20 °C and 30% relative humidity in ambient conditions. These results suggest that the incorporation of BGCl is a promising strategy to modify the interface and control the crystallization of the perovskite, toward the attainment of highly efficient and stable perovskite solar cells as well as other perovskite-based electronics
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|a Journal Article
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|a charge transport
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|a crystal growth
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|a defect passivation
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|a interfacial modification
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|a perovskite solar cells
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|a Chen, Xiao
|e verfasserin
|4 aut
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|a Zhang, Bo
|e verfasserin
|4 aut
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|a Odunmbaku, George Omololu
|e verfasserin
|4 aut
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|a Ou, Zeping
|e verfasserin
|4 aut
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|a Guo, Bing
|e verfasserin
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|a Yang, Ke
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|a Kan, Zhipen
|e verfasserin
|4 aut
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|a Lu, Shirong
|e verfasserin
|4 aut
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|a Chen, Shanshan
|e verfasserin
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|a Ouedraogo, Nabonswende Aida Nadege
|e verfasserin
|4 aut
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|a Cho, Yongjoon
|e verfasserin
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|a Yang, Changduk
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|a Chen, Jiangzhao
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|a Sun, Kuan
|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 34(2022), 8 vom: 30. Feb., Seite e2106118
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:34
|g year:2022
|g number:8
|g day:30
|g month:02
|g pages:e2106118
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|u http://dx.doi.org/10.1002/adma.202106118
|3 Volltext
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