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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202211155
|2 doi
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|a pubmed24n1173.xml
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|a (NLM)36688433
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|a DE-627
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|a eng
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|a Hao, Mingwei
|e verfasserin
|4 aut
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|a Flattening Grain-Boundary Grooves for Perovskite Solar Cells with High Optomechanical Reliability
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|c 2023
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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 Completed 13.04.2023
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|a Date Revised 13.04.2023
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2023 The Authors. Advanced Materials published by Wiley-VCH GmbH.
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|a Optomechanical reliability has emerged as an important criterion for evaluating the performance and commercialization potential of perovskite solar cells (PSCs) due to the mechanical-property mismatch of metal halide perovskites with other device layer. In this work, grain-boundary grooves, a rarely discussed film microstructural characteristic, are found to impart significant effects on the optomechanical reliability of perovskite-substrate heterointerfaces and thus PSC performance. By pre-burying iso-butylammonium chloride additive in the electron-transport layer (ETL), GB grooves (GBGs) are flattened and an optomechanically reliable perovskite heterointerface that resists photothermal fatigue is created. The improved mechanical integrity of the ETL-perovskite heterointerfaces also benefits the charge transport and chemical stability by facilitating carrier injection and reducing moisture or solvent trapping, respectively. Accordingly, high-performance PSCs which exhibit efficiency retentions of 94.8% under 440 h damp heat test (85% RH and 85 °C), and 93.0% under 2000 h continuous light soaking are achieved
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|a Journal Article
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|a grain-boundary grooves
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|a interface modification
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|a microstructural characteristics
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|a optomechanical reliability
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|a perovskite solar cells
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|a Duan, Tianwei
|e verfasserin
|4 aut
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|a Ma, Zhiwei
|e verfasserin
|4 aut
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|a Ju, Ming-Gang
|e verfasserin
|4 aut
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|a Bennett, Joseph A
|e verfasserin
|4 aut
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|a Liu, Tanghao
|e verfasserin
|4 aut
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|a Guo, Peijun
|e verfasserin
|4 aut
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| 700 |
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|a Zhou, Yuanyuan
|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), 15 vom: 14. Apr., Seite e2211155
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|g volume:35
|g year:2023
|g number:15
|g day:14
|g month:04
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|u http://dx.doi.org/10.1002/adma.202211155
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