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Dithienosilole-based non-fullerene acceptors for efficient organic photovoltaics

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Abstract

In this work, two new small-molecule non-fullerene acceptors, NFDTS and NFDTSB, with an acceptor–donor–acceptor (A–D–A) framework were designed and synthesized based on dithienosilole (DTS) derivatives. PTB7-Th:NFDTSB-based devices achieved the highest PCE value of 9.60% with a Voc of 0.751 V, a FF of 63.3%, and a high Jsc of 20.14 mA cm−2 without any post-treatment, which is so far the best performance reported for OPV devices utilizing DTS-based organic photovoltaic materials.

Graphical abstract: Dithienosilole-based non-fullerene acceptors for efficient organic photovoltaics

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Publication details

The article was received on 14 Dec 2017, accepted on 09 Feb 2018 and first published on 12 Feb 2018


Article type: Communication
DOI: 10.1039/C7TA10957A
Citation: J. Mater. Chem. A, 2018, Advance Article
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    Dithienosilole-based non-fullerene acceptors for efficient organic photovoltaics

    Z. Zhang and X. Zhu, J. Mater. Chem. A, 2018, Advance Article , DOI: 10.1039/C7TA10957A

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