Suppressing nongeminate recombination with two well-compatible polymer donors enables 16.6% efficiency all-polymer solar cells

Yuqing Sun,Sein Chung, Xiaodong Huang,Kilwon Cho,Zhipeng Kan

Chemical Engineering Journal（2023）

引用 6|浏览3

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摘要

•Optimizing the phase separation of the active layer with two well-compatible polymer donors.•Ternary cells exhibit better carrier mobility and lower carrier recombination than binary peers.•The relationship between the film microstructure and the charge recombination patterns is explained.

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关键词

Ternary all -polymer solar cells, Compatible polymer donors, Nongeminate charge recombination, Miscibility

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