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240620s2024 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202406690
|2 doi
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|a pubmed25n1245.xml
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|a (DE-627)NLM373875592
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|a (NLM)38899582
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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 |
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|a Chen, Zhenyu
|e verfasserin
|4 aut
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|a 20.2% Efficiency Organic Photovoltaics Employing a π-Extension Quinoxaline-Based Acceptor with Ordered Arrangement
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|c 2024
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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 Revised 15.08.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2024 Wiley‐VCH GmbH.
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|a Organic solar cells, as a cutting-edge sustainable renewable energy technology, possess a myriad of potential applications, while the bottleneck problem of less than 20% efficiency limits the further development. Simultaneously achieving an ordered molecular arrangement, appropriate crystalline domain size, and reduced nonradiative recombination poses a significant challenge and is pivotal for overcoming efficiency limitations. This study employs a dual strategy involving the development of a novel acceptor and ternary blending to address this challenge. A novel non-fullerene acceptor, SMA, characterized by a highly ordered arrangement and high lowest unoccupied molecular orbital energy level, is synthesized. By incorporating SMA as a guest acceptor in the PM6:BTP-eC9 system, it is observed that SMA staggered the liquid-solid transition of donor and acceptor, facilitating acceptor crystallization and ordering while maintaining a suitable domain size. Furthermore, SMA optimized the vertical morphology and reduced bimolecular recombination. As a result, the ternary device achieved a champion efficiency of 20.22%, accompanied by increased voltage, short-circuit current density, and fill factor. Notably, a stabilized efficiency of 18.42% is attained for flexible devices. This study underscores the significant potential of a synergistic approach integrating acceptor material innovation and ternary blending techniques for optimizing bulk heterojunction morphology and photovoltaic performance
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|a Journal Article
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|a energy disorder
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|a flexible organic solar cells
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|a ordered arrangement
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|a organic solar cells
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|a Ge, Jinfeng
|e verfasserin
|4 aut
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|a Song, Wei
|e verfasserin
|4 aut
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|a Tong, Xinyu
|e verfasserin
|4 aut
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|a Liu, Hui
|e verfasserin
|4 aut
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|a Yu, Xueliang
|e verfasserin
|4 aut
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|a Li, Jing
|e verfasserin
|4 aut
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|a Shi, Jingyu
|e verfasserin
|4 aut
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| 700 |
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|a Xie, Lin
|e verfasserin
|4 aut
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|a Han, Chengcheng
|e verfasserin
|4 aut
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| 700 |
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|a Liu, Quan
|e verfasserin
|4 aut
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| 700 |
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|a Ge, Ziyi
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 36(2024), 33 vom: 20. Aug., Seite e2406690
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnas
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| 773 |
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|g volume:36
|g year:2024
|g number:33
|g day:20
|g month:08
|g pages:e2406690
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|u http://dx.doi.org/10.1002/adma.202406690
|3 Volltext
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