Synergistic steric–dipole modulation via stepwise trifluoromethyl substitution enables active-layer hierarchical assembly and >20% power conversion efficiency in organic photovoltaic devices

Energy & Environmental Science 2026

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Authors: Jie Wang, Xin Chen, Jingyi Huo, Jiong Yang, Longyu Li, Wendi Shi, Ruibin Bian, Wenkai Zhao, Guankui Long, Zhaoyang Yao, Chenxi Li, Xiangjian Wan
+1 more Yongsheng Chen
DOI: 10.1039/d5ee07321a
Cited by: 11
References: 60

Abstract

A stepwise trifluoromethyl substitution strategy is developed for the structural modification of small-molecule acceptors. The device based on –C(CF 3 ) 3 functionalized CHE-9F achieves an efficiency of 20.30%.

Fields of Study & Subjects

Organic Electronics and Photovoltaics Perovskite Materials and Applications Organic Light-Emitting Diodes Research

Publication details

Journal / source
Energy & Environmental Science
Publisher
Royal Society of Chemistry (RSC)
Volume
19
Issue
7
Pages
2333–2344
Publication date
1 January 2026
Language
EN