N-type small molecule electron transport materials with D-A-D conjugated core for non-fullerene organic solar cells

Dan Zhou,Yubing Li,Hehui Zhang,Haolan Zheng,Xingxing Shen,Wen You,Lin Hu,Liangjing Han,Yongfen Tong,Lie Chen

Chemical Engineering Journal（2023）

引用 12|浏览9

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摘要

Two novel D-A-D-type small molecular conjugated electrolytes (DPPN2TPA and DPPM2TPA) with strong self-doping effects were designed and synthesized. The DPPM2TPA features excellent universality and can maintain 90% PCE when the thickness is up to 37 nm, a PCE of 17.31% was achieved in the NOSCs of PM6: BTP-eC9.

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关键词

Small molecular conjugated electrolytes,N-type self-doping,D-A-D structure,Non-fullerene organic solar cells,Electron transport materials,Interfacial engineering

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