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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202209030
|2 doi
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|a pubmed24n1167.xml
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|a (DE-627)NLM35016603X
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|a DE-627
|b ger
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|a eng
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|a Shen, Yi-Fan
|e verfasserin
|4 aut
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|a In Situ Absorption Characterization Guided Slot-Die-Coated High-Performance Large-Area Flexible Organic Solar Cells and Modules
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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 13.03.2023
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|a Date Revised 13.03.2023
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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 Slot-die coating is recognized as the most compatible method for the roll-to-roll (R2R) processing of large-area flexible organic solar cells (OSCs). However, the photovoltaic performance of large-area flexible OSC lags significantly behind that of traditional spin-coating devices. In this work, two acceptors, Qx-1 and Qx-2, show quite different film-formation kinetics in the slot-die coating process. In situ absorption spectroscopy indicates that the excessive crystallinity of Qx-2 provides early phase separation and early aggregation, resulting in oversized crystal domains. Consequently, the PM6:Qx-1-based 1 cm2 flexible device exhibits an excellent power conversion efficiency (PCE) of 13.70%, which is the best performance among the slot-die-coated flexible devices; in contrast, the PM6:Qx-2 blend shows a pretty poor efficiency, which is lower than 1%. Moreover, the 30 cm2 modules based on PM6:Qx-1, containing six 5 cm2 sub-cells, exhibit a PCE of 12.20%. After being stored in a glove box for over 6000 h, the PCE remains at 103% of its initial values, indicating excellent shelf stability. Therefore, these results show a promising future strategy for the upscaling fabrication of flexible large-area OSCs
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|a Journal Article
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|a large-area modules
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|a organic solar cells
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|a photovoltaic performance
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|a shelf stability
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4 |
|a slot-die coating
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| 700 |
1 |
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|a Zhang, Hao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Jianqi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Tian, Chenyang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Shi, Yanan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Qiu, Dingding
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Ziqi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lu, Kun
|e verfasserin
|4 aut
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| 700 |
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|a Wei, Zhixiang
|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), 10 vom: 28. März, Seite e2209030
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:35
|g year:2023
|g number:10
|g day:28
|g month:03
|g pages:e2209030
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|u http://dx.doi.org/10.1002/adma.202209030
|3 Volltext
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