Fluorination of a polymer donor through the trifluoromethyl group for high-performance polymer solar cells
Chao Yao, Yanan Zhu, Kaichen Gu, Jiajun Zhao, Jiaoyi Ning, Dmitrii F. Perepichka, Yueh‐Lin Loo, Hong Meng
Abstract
Polymer donor F0 is fluorinated to F1 through converting methyl group to trifluoromethyl group on side chains. F1 exhibits remarkably improved performance in polymer solar cells with a highest PCE of 13.5%.
Topics & Concepts
TrifluoromethylPolymerPolymer solar cellGroup (periodic table)Materials scienceChemical engineeringSide chainMethyl groupChemistryPolymer chemistryOrganic chemistryEngineeringAlkylOrganic Electronics and PhotovoltaicsConducting polymers and applicationsOrganic Light-Emitting Diodes Research