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Updated: May 27, 2026

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PS-b-P3HT copolymers as P3HT/PCBM interfacial compatibilizers for high efficiency photovoltaics
Zhenzhong Sun1, Kai Xiao, Jong Kahk Keum
1Department of Electrical and Computer Engineering, Center for Materials Information Technology, University of Alabama, Tuscaloosa, 35487, USA.
Abstract:
A conducting diblock copolymer of PS-b-P3HT was added to serve as a compatibilizer in a P3HT/PCBM blend, which improved the power-conversion efficiency from 3.3% to 4.1% due to the enhanced crystallinity, morphology, interface interaction, and depth profile of PCBM.
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