The first thieno[3,4-b]pyrazine based small molecular acceptor with a linear A2–A1–D–A1–A2 skeleton for fullerene-free organic solar cells with a high Voc of 1.05 V

Jianfeng Li; Jing Yang; Junyi Hu; You Chen; Bo Xiao; Erjun Zhou

doi:10.1039/C8CC06198J

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The first thieno[3,4-b]pyrazine based small molecular acceptor with a linear A₂–A₁–D–A₁–A₂ skeleton for fullerene-free organic solar cells with a high V_oc of 1.05 V†

Jianfeng Li,‡^ab Jing Yang,‡^ab Junyi Hu,^ab You Chen,^ab Bo Xiao

^ab and Erjun Zhou

*^a

Author affiliations

* Corresponding authors

^a CAS Key Laboratory of Nanosystem and Hierarchical Fabrication, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, P. R. China
E-mail: zhouej@nanoctr.cn

^b University of Chinese Academy of Sciences, Beijing 100049, P. R. China

Abstract

The first thieno[3,4-b]pyrazine (TP) based non-fullerene acceptor was synthesized and named as TP21, which shows a narrow band gap of 1.65 eV and a high-lying LUMO of −3.61 eV. Organic solar cells based on J61:TP21 realized a moderate power conversion efficiency (PCE) of 5.81% with a high open-circuit voltage (V_oc) of 1.05 V.

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Article information

DOI: https://doi.org/10.1039/C8CC06198J
Article type: Communication
Submitted: 30 Jul 2018
Accepted: 30 Aug 2018
First published: 30 Aug 2018

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Chem. Commun., 2018,54, 10770-10773

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The first thieno[3,4-b]pyrazine based small molecular acceptor with a linear A₂–A₁–D–A₁–A₂ skeleton for fullerene-free organic solar cells with a high V_oc of 1.05 V

J. Li, J. Yang, J. Hu, Y. Chen, B. Xiao and E. Zhou, Chem. Commun., 2018, 54, 10770 DOI: 10.1039/C8CC06198J

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Chemical Communications