Femtosecond transient absorption dynamics in low bandgap polymer solar cell materials including poly(thienylenevinylene) derivative and benzothiadiazole moiety

In-Sik Kim,Soo-Young Jang,Terry Park,Cheol Jo,Dong-Yu Kim,Do-Kyeong Ko

Chemical Physics（2015）

引用 3|浏览14

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摘要

•Ultrafast dynamics in specific low bandgap polymer solar cell materials was studied.•Charge transfer occurred in bulk heterojunction (BHJ) materials.•We observed an evidence of photo induced charge separation at PEBTBT/fullerene interface.•PC70BM blended BHJ showed slower geminate recombination than PCBM blended BHJ.

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关键词

Low bandgap polymer,Ultrafast carrier dynamics,Fullerene acceptor

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