Issue 34, 2020
From the journal:

Chemical Communications

Design and synthesis of non-fullerene acceptors based on a quinoxalineimide moiety as the central building block for organic solar cells†

Chunguang Zhu,a   Kang An,a   Wenkai Zhong,a   Zhenye Li,a   Yu Qian,a   Xiaozhe Sua  and  Lei Ying ORCID logo *a  

* Corresponding authors

a Institute of Polymer Optoelectronic Materials and Devices, State Key Laboratory, of Luminescent Materials and Devices, South China University of Technology, Guangzhou, China
E-mail: msleiying@scut.edu.cn

Abstract

Two new non-fullerene acceptors, namely QIP-4F and QIP-4Cl, containing a novel imide-functionalized quinoxaline (QI) moiety fused with a thienylthiophene unit as the central building block, and fluorinated or chlorinated 2-(3-oxo-2,3-dihydro-1H-inden-1-ylidene)malononitrile as end-capping groups, were designed and synthesized, respectively. An optimized device based on P2F-EHp:QIP-4Cl presented a power conversion efficiency of 13.3%, with an impressively high open-circuit voltage of 0.94 V. These results demonstrate the great potential of QI-containing fused units as central building blocks for high-performance acceptors.

Graphical abstract: Design and synthesis of non-fullerene acceptors based on a quinoxalineimide moiety as the central building block for organic solar cells

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Article information

DOI
https://doi.org/10.1039/D0CC00896F
Article type
Communication
Submitted
04 Feb 2020
Accepted
17 Mar 2020
First published
17 Mar 2020

Chem. Commun., 2020,56, 4700-4703

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Design and synthesis of non-fullerene acceptors based on a quinoxalineimide moiety as the central building block for organic solar cells

C. Zhu, K. An, W. Zhong, Z. Li, Y. Qian, X. Su and L. Ying, Chem. Commun., 2020, 56, 4700 DOI: 10.1039/D0CC00896F

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