Zwitter-Ionic Polymer Applied as Electron Transportation Layer for Improving the Performance of Polymer Solar Cells

被引：8

作者：

Chen, Qiaoyun ^{[1
]}

Li, Zhendong ^{[1
]}

Dong, Bin ^{[1
]}

Zhou, Yi ^{[1
]}

Song, Bo ^{[1
]}

机构：

[1] Soochow Univ, Coll Chem Chem Engn & Mat Sci, Suzhou 215123, Peoples R China

来源：

POLYMERS | 2017年 / 9卷 / 11期

基金：

中国国家自然科学基金;

关键词：

PSBMA; betaine; zwitter-ionic polymer; ETL; SMALL-MOLECULE ELECTROLYTE; CATHODE INTERFACIAL LAYER; HIGH-EFFICIENCY; PHOTOVOLTAIC CELLS; WORK-FUNCTION; BUFFER LAYER; INTERLAYER; ZNO; ENHANCEMENT; MORPHOLOGY;

D O I：

10.3390/polym9110566

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

A zwitter-ionic polymer poly (sulfobetaine methacrylate) (denoted by PSBMA) was employed as an electron transportation layer (ETL) in polymer solar cells (PSCs) based on poly(3-hexylthiophene) (P3HT):[6,6]-phenyl-C-61-butyric acid methyl ester (PC61BM). PSBMA is highly soluble in trifluoroethanol, showing an orthogonal solubility to the solvent of the active layer in the preparation of multilayered PSCs. Upon introduction of PSBMA, the short circuit current and as a consequence the power conversion efficiency of the corresponding PSCs are dramatically improved, which can be because of the relatively high polarity of PSBMA compared with the other ETLs. This study demonstrated that zwitter-ionic polymer should be a competitive potential candidate of ETLs in PSCs.

引用

页数：9

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