Synergistic effect of fluorination and alkyl side-chain engineering on thiazole-based polymer donors for low-cost organic solar cells

Zijie Li; Ruxue Ding; Xiaobin Gu; Cai’e Zhang; Jikai Lv; Yinghui Han; Jiahao Chen; Yunhao Cai; Xin Zhang; Hui Huang

doi:10.1039/D5CC01502B

Synergistic effect of fluorination and alkyl side-chain engineering on thiazole-based polymer donors for low-cost organic solar cells†

Zijie Li,‡^a Ruxue Ding,‡^a Xiaobin Gu,‡^a Cai’e Zhang,^a Jikai Lv,^a Yinghui Han,

*^b Jiahao Chen,^cd Yunhao Cai,^a Xin Zhang

*^a and Hui Huang

*^a

Author affiliations

* Corresponding authors

^a College of Materials Science and Opto-Electronic Technology & Center of Materials Science and Optoelectronics Engineering & CAS Center for Excellence in Topological Quantum Computation & CAS Key Laboratory of Vacuum Physics, University of Chinese Academy of Sciences, Beijing 101408, China
E-mail: huihuang@ucas.ac.cn, zhangxin2019@ucas.ac.cn

^b College Resources and Environment, University of Chinese Academy of Sciences, Beijing 101408, China
E-mail: hanyinghui@ucas.ac.cn

^c State Grid Sichuan Electric Power Company Ziyang Power Supply Company, Ziyang 641300, China

^d School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China

Abstract

Herein, a simple-structured heterocyclic derivative, 4-ester-substituted thiazole, is employed to construct low-cost polymer donors. The synergistic effect of fluorination and alkyl side-chain engineering effectively regulates the aggregation behaviors of these polymers, resulting in considerable power conversion efficiencies of 12.55% and 19.03% for binary and ternary organic solar cells.

This article is part of the themed collections: Chemical Communications HOT articles 2025 and 2025 Emerging Investigators

Chemical Communications

Synergistic effect of fluorination and alkyl side-chain engineering on thiazole-based polymer donors for low-cost organic solar cells†

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Synergistic effect of fluorination and alkyl side-chain engineering on thiazole-based polymer donors for low-cost organic solar cells

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