Issue 3, 2019
From the journal:

Materials Chemistry Frontiers

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

Yaxin Gao,‡ab   Dan Li,‡bc   Zuo Xiao, ORCID logo b   Xin Qian,b   Junliang Yang, ORCID logo *a   Fangyang Liu, ORCID logo *d   Shangfeng Yang ORCID logo *c  and  Liming Ding ORCID logo *b  

* Corresponding authors

a Hunan Key Laboratory for Super-microstructure and Ultrafast Process, School of Physics and Electronics, Central South University, Changsha 410083, China
E-mail: junliang.yang@csu.edu.cn

b Center for Excellence in Nanoscience (CAS), Key Laboratory of Nanosystem and Hierarchical Fabrication (CAS), National Center for Nanoscience and Technology, Beijing 100190, China
E-mail: ding@nanoctr.cn

c Department of Materials Science and Engineering, University of Science and Technology of China, Hefei 230026, China
E-mail: sfyang@ustc.edu.cn

d School of Metallurgy and Environment, Central South University, Changsha 410083, China
E-mail: liufangyang@csu.edu.cn

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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Article information

DOI
https://doi.org/10.1039/C8QM00604K
Article type
Research Article
Submitted
25 Nov 2018
Accepted
18 Dec 2018
First published
19 Dec 2018

Mater. Chem. Front., 2019,3, 399-402

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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, 3, 399 DOI: 10.1039/C8QM00604K

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