High-Efficiency Nonfullerene Polymer Solar Cells with Medium Bandgap Polymer Donor and Narrow Bandgap Organic Semiconductor Acceptor

Gao L; Zhang ZG; Bin HJ; Xue LW; Yang YK; Wang C; Liu F; Russell TP; Li YF

Advanced Materials, Vol.28, No.37, 8288-8295, 2016

DOI10.1002/adma.201601595 Export Citation

High-Efficiency Nonfullerene Polymer Solar Cells with Medium Bandgap Polymer Donor and Narrow Bandgap Organic Semiconductor Acceptor

Gao L, Zhang ZG, Bin HJ, Xue LW, Yang YK, Wang C, Liu F, Russell TP, Li YF

A nonfullerene polymer solar cell with a high efficiency of 9.26% is realized by using benzodithiophene-alt-fluorobenzotriazole copolymer J51 as a medium-bandgap polymer donor and the low-bandgap organic semiconductor ITIC with high extinction coefficients as the acceptor.

Keywords:extinction coefficients;fluorinated conjugated polymer donors;ITIC;nonfullerene polymer solar cells

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