A monothiophene unit incorporating both fluoro and ester substitution enabling high-performance donor polymers for non-fullerene solar cells with 16.4% efficiency

By Huiliang Sun, Tao Liu, Jianwei Yu, Tsz-ki Lau, Guangye Zhang, Yujie Zhang, Mengyao Su, Yumin Tang, Ruijie Ma, Bin Liu and 6 more. Energy & Environmental Science, 2019

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Both fluorine and ester substituted monothiophene yielded a novel thiophene derivative FE-T. The resulting polymer donor S1 enabled single-junction non-fullerene solar cell with over 16% efficiency.

Subfields: Atomic and Molecular Physics, and Optics, Electrical and Electronic Engineering

View Paper: https://www.semanticscholar.org/paper/5198d586106c818b41f56b8faec76a4e763db527