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231225s2019 xx |||||o 00| ||eng c |
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|a 10.1002/adma.201805438
|2 doi
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|a pubmed24n0974.xml
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|a (DE-627)NLM292431325
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|a (NLM)30614565
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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 Heo, Sung
|e verfasserin
|4 aut
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|a Origins of High Performance and Degradation in the Mixed Perovskite Solar Cells
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|c 2019
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 25.02.2019
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|a Date Revised 01.10.2020
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2019 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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|a The origins of the high device performance and degradation in the air are the greatest issues for commercialization of perovskite solar cells. Here this study investigates the possible origins of the mixed perovskite cells by monitoring defect states and compositional changes of the perovskite layer over the time. The results of deep-level transient spectroscopy analysis reveal that a newly identified defect formed by Br atoms exists at deep levels of the mixed perovskite film, and its defect state shifts when the film is aged in the air. The change of the defect state is originated from loss of the methylammonium molecules of the perovskite layer, which results in decreased JSC , deterioration of the power conversion efficiency and long-term stability of perovskite solar cells. The results provide a powerful strategy to diagnose and manage the efficiency and stability of perovskite solar cells
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|a Journal Article
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|a defect
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|a degradation
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|a long-term stability
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|a mixed perovskite
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|a perovskite solar cells
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|a Seo, Gabseok
|e verfasserin
|4 aut
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|a Lee, Yonghui
|e verfasserin
|4 aut
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|a Seol, Minsu
|e verfasserin
|4 aut
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|a Kim, Seong Heon
|e verfasserin
|4 aut
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|a Yun, Dong-Jin
|e verfasserin
|4 aut
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|a Kim, Yongsu
|e verfasserin
|4 aut
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| 700 |
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|a Kim, Kihong
|e verfasserin
|4 aut
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| 700 |
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|a Lee, Junho
|e verfasserin
|4 aut
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| 700 |
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|a Lee, Jooho
|e verfasserin
|4 aut
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| 700 |
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|a Jeon, Woo Sung
|e verfasserin
|4 aut
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| 700 |
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|a Shin, Jai Kwang
|e verfasserin
|4 aut
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|a Park, Jucheol
|e verfasserin
|4 aut
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|a Lee, Dongwook
|e verfasserin
|4 aut
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|a Nazeeruddin, Mohammad Khaja
|e verfasserin
|4 aut
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| 773 |
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8 |
|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 31(2019), 8 vom: 15. Feb., Seite e1805438
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:31
|g year:2019
|g number:8
|g day:15
|g month:02
|g pages:e1805438
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|u http://dx.doi.org/10.1002/adma.201805438
|3 Volltext
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