From the journal:

Chemical Communications

A double-cable polymer acceptor enables 20% efficiency in ternary organic solar cells

Qin Tan,a   Shijie Liang, ORCID logo *ab   Yang Cheng,a   Lijuan Liu,a   Haiyun Fan,a   Bo Wang,a   Chenhui Zhang,*c   Chengyi Xiao ORCID logo a  and  Weiwei Li ORCID logo *a  

* Corresponding authors

a Beijing Advanced Innovation Center for Soft Matter Science and Engineering & State Key Laboratory of Organic–Inorganic Composites, Beijing University of Chemical Technology, Beijing 100029, P. R. China
E-mail: liweiwei@iccas.ac.cn

b School of Physical Science and Engineering, Beijing Jiaotong University, Beijing 100044, P. R. China
E-mail: liangshijie@bjtu.edu.cn

c College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, P. R. China
E-mail: chhzhang@pku.edu.cn

Abstract

We report a double-cable polymer acceptor (PYT-N) featuring a Y-series backbone with pendant NDI units. When incorporated as a third component in D18 : eC9 blends, the ternary device achieves a PCE of 20.05%. PYT-N enhances charge transport, suppresses recombination, and improves morphology stability owing to its high glass transition temperature.

Graphical abstract: A double-cable polymer acceptor enables 20% efficiency in ternary organic solar cells

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Article information

DOI
https://doi.org/10.1039/D6CC01466F
Article type
Communication
Submitted
12 Mar 2026
Accepted
16 Apr 2026
First published
17 Apr 2026

Chem. Commun., 2026, Advance Article

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A double-cable polymer acceptor enables 20% efficiency in ternary organic solar cells

Q. Tan, S. Liang, Y. Cheng, L. Liu, H. Fan, B. Wang, C. Zhang, C. Xiao and W. Li, Chem. Commun., 2026, Advance Article , DOI: 10.1039/D6CC01466F

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