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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202300531
|2 doi
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|a pubmed24n1183.xml
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|a (DE-627)NLM354942735
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|a (NLM)36989324
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|a DE-627
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|c DE-627
|e rakwb
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|a eng
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|a Gao, Yuan
|e verfasserin
|4 aut
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|a High-Performance Small Molecule Organic Solar Cells Enabled by a Symmetric-Asymmetric Alloy Acceptor with a Broad Composition Tolerance
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|c 2023
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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 08.06.2023
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|a Date Revised 08.06.2023
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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 Using a combinatory blending strategy is demonstrated as a promising path for designing efficient organic solar cells (OSCs) by boosting the short-circuit current density and fill factor. Herein, a high-performance ternary all-small molecule OSC (all-SMOSCs) using a narrow-bandgap alloy acceptor containing symmetric and asymmetric molecules (BTP-eC9 and SSe-NIC) and a wide-bandgap small molecule donor MPhS-C2 is reported. Introducing the synthesized SSe-NIC into the MPhS-C2:BTP-eC9 host system can broaden the absorption spectrum, modulate energy offsets, and optimize the molecular packing of the host materials. After systematically optimizing the weight ratio of MPhS-C2:BTP-eC9:SSe-NIC, a champion efficiency of 18.02% is achieved. Impressively, the ternary system not only delivered a broad composition tolerance with device efficiencies over 17% throughout the whole blend ratios, but also exhibited less non-geminate recombination and energy loss, and better-light-soaking stability than the corresponding binary systems. This work promotes the development of high-performance ternary all-SMOSCs and heralds their brighter application prospects
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|a Journal Article
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|a absorption coefficient
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|a all-small molecule organic solar cells
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|a energy loss
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|a small molecule acceptor
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|a ternary strategy
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|a Yang, Xinrong
|e verfasserin
|4 aut
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|a Wang, Wei
|e verfasserin
|4 aut
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|a Sun, Rui
|e verfasserin
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|a Cui, Jiting
|e verfasserin
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|a Fu, Yuang
|e verfasserin
|4 aut
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|a Li, Kai
|e verfasserin
|4 aut
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|a Zhang, Meimei
|e verfasserin
|4 aut
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|a Liu, Chao
|e verfasserin
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|a Zhu, Haiming
|e verfasserin
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|a Lu, Xinhui
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|a Min, Jie
|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), 23 vom: 12. Juni, Seite e2300531
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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|g volume:35
|g year:2023
|g number:23
|g day:12
|g month:06
|g pages:e2300531
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|u http://dx.doi.org/10.1002/adma.202300531
|3 Volltext
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