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High-performance wide-bandgap copolymers with dithieno[3,2-b:2′,3′-d]pyridin-5(4H)-one units

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Abstract

Two wide-bandgap copolymers (PBD and PBD2T) containing dithieno[3,2-b:2′,3′-d]pyridin-5(4H)-one units were designed. They have large optical bandgaps and deep HOMO levels. Solar cells based on them and a nonfullerene acceptor IT-M gave high open-circuit voltages up to 1.00 V and decent power conversion efficiencies up to 10.34%.

Graphical abstract: High-performance wide-bandgap copolymers with dithieno[3,2-b:2′,3′-d]pyridin-5(4H)-one units

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Publication details

The article was received on 25 Nov 2018, accepted on 18 Dec 2018 and first published on 19 Dec 2018


Article type: Research Article
DOI: 10.1039/C8QM00604K
Citation: Mater. Chem. Front., 2019, Advance Article
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    High-performance wide-bandgap copolymers with dithieno[3,2-b:2′,3′-d]pyridin-5(4H)-one units

    Y. Gao, D. Li, Z. Xiao, X. Qian, J. Yang, F. Liu, S. Yang and L. Ding, Mater. Chem. Front., 2019, Advance Article , DOI: 10.1039/C8QM00604K

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