Effect of Transition-Metal Ion Doping on Electrocatalytic Activities of graphene/polyaniline-M2+(Mn2+, Co2+, Ni2+' and Cu2+) Composite Materials as Pt-Free Counter Electrode in Dye-Sensitized Solar Cells

被引：7

作者：

Wu, Kezhong ^{[1
]}

Zhao, Qiongwei ^{[1
]}

Chen, Lei ^{[1
]}

Liu, Zijun ^{[1
]}

Ruan, Bei ^{[1
]}

Wu, Mingxing ^{[1
]}

机构：

[1] Hebei Normal Univ, Dept Chem & Mat Sci, Key Lab Inorgan Nanomat Hebei Prov, Shijiazhuang, Hebei, Peoples R China

来源：

POLYMER-PLASTICS TECHNOLOGY AND MATERIALS | 2019年 / 58卷 / 01期

基金：

中国国家自然科学基金;

关键词：

Counter electrode; doping; dye-sensitized solar cells; graphene; polyaniline; LOW-COST; CARBON NANOTUBE; THIN-FILM; POLYANILINE; GRAPHENE; PERFORMANCE; NANOCOMPOSITE; COMPLEX; FACILE;

D O I：

10.1080/03602559.2018.1455864

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 series of graphene/polyaniline-M2+ (M2+= Mn2+, Co2+, Ni2+ and Cu2+) composite counter electrodes were synthesized by doping transition-metal ions in polyaniline and graphene for dye-sensitized solar cells (DSSCs). The counter electrodes showed significantly high photoelectric conversion efficiency of 5.38% (Mn-2), 4.65% (Co2+), 4.00% (Ni-2), and 2.49% (Cu2+). The catalytic activities of graphene/polyaniline-M2+ electrodes were evaluated using cyclic voltammetry, Nyquist plots, and Tafel polarization. The chemical characteristics and surface morphology of graphene/polyaniline-M2+ composite materials were determined by infrared spectroscopy and scanning electron microscopy. These results indicate a potential application of ion-doped polyaniline as the counter electrode in cost-effective DSSCs.

引用

页码：40 / 46

页数：7

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