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231225s2018 xx |||||o 00| ||eng c |
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|a 10.1002/adma.201707150
|2 doi
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|a pubmed24n0939.xml
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|a (DE-627)NLM281843007
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|a eng
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|a Sun, Jia
|e verfasserin
|4 aut
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|a Dithieno[3,2-b:2',3'-d]pyrrol Fused Nonfullerene Acceptors Enabling Over 13% Efficiency for Organic Solar Cells
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|c 2018
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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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|a Date Completed 01.08.2018
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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 © 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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|a A new electron-rich central building block, 5,5,12,12-tetrakis(4-hexylphenyl)-indacenobis-(dithieno[3,2-b:2',3'-d]pyrrol) (INP), and two derivative nonfullerene acceptors (INPIC and INPIC-4F) are designed and synthesized. The two molecules reveal broad (600-900 nm) and strong absorption due to the satisfactory electron-donating ability of INP. Compared with its counterpart INPIC, fluorinated nonfullerene acceptor INPIC-4F exhibits a stronger near-infrared absorption with a narrower optical bandgap of 1.39 eV, an improved crystallinity with higher electron mobility, and down-shifted highest occupied molecular orbital and lowest unoccupied molecular orbital energy levels. Organic solar cells (OSCs) based on INPIC-4F exhibit a high power conversion efficiency (PCE) of 13.13% and a relatively low energy loss of 0.54 eV, which is among the highest efficiencies reported for binary OSCs in the literature. The results demonstrate the great potential of the new INP as an electron-donating building block for constructing high-performance nonfullerene acceptors for OSCs
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|a Journal Article
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|a dithieno[3,2-b:2′,3′-d]pyrrol
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|a high-performance organic solar cells
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|a narrow bandgap
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|a nonfullerene acceptors
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|a Ma, Xiaoling
|e verfasserin
|4 aut
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|a Zhang, Zhuohan
|e verfasserin
|4 aut
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|a Yu, Jiangsheng
|e verfasserin
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|a Zhou, Jie
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|4 aut
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|a Yin, Xinxing
|e verfasserin
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|a Yang, Linqiang
|e verfasserin
|4 aut
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|a Geng, Renyong
|e verfasserin
|4 aut
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|a Zhu, Rihong
|e verfasserin
|4 aut
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|a Zhang, Fujun
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|a Tang, Weihua
|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 30(2018), 16 vom: 03. Apr., Seite e1707150
|w (DE-627)NLM098206397
|x 1521-4095
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|g volume:30
|g year:2018
|g number:16
|g day:03
|g month:04
|g pages:e1707150
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|u http://dx.doi.org/10.1002/adma.201707150
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