High-efficiency all-polymer solar cells based on a pair of crystalline low-bandgap polymers

来源 :International Conference on Molecular Electronic Materials a | 被引量 : 0次 | 上传用户:xuehaocad
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  We have demonstrated high-performance all polymer solar cells(all-PSCs)based on a pair of crystalline low-bandgap polymers.A high Jsc of 11.5 mA/cm2 and a PCE of 5%were achieved due to the low optical bandgap of the donor polymer and the reasonably high EQE of the cell that is the result of the favorable morphology of the NT:N2200 blends.R-SoXS,AFM and TEM characterizations support that the NT:N2200 blend film is smooth and exhibits an average domain size of about 100 nm.
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