Platinum/graphene hybrid film as a counter electrode for dye-sensitized solar cells

被引：69

作者：

Yue, Gentian ^{[1
]}

Wu, Jihuai ^{[1
]}

Xiao, Yaoming ^{[1
]}

Huang, Miaoliang ^{[1
]}

Lin, Jianming ^{[1
]}

Fan, Leqing ^{[1
]}

Lan, Zhang ^{[1
]}

机构：

[1] Huaqiao Univ, Inst Mat Phys Chem, Minist Educ, Engn Res Ctr Environm Friendly Funct Mat, Quanzhou 362021, Peoples R China

来源：

ELECTROCHIMICA ACTA | 2013年 / 92卷

基金：

中国国家自然科学基金; 国家高技术研究发展计划(863计划);

关键词：

Platinum nanoparticles; Graphene nanosheets; Counter electrode; Dye-sensitized solar cell; ENHANCED PERFORMANCE; CARBON NANOTUBES; GRAPHENE; EFFICIENT; PLATINUM; MONOLAYER;

D O I：

10.1016/j.electacta.2012.11.020

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

A platinum nanoparticles/graphene nanosheets (PtNP/GN) film was prepared on rigid fluorine-doped tin oxide substrate by using a facile one step electrochemical deposition method, and the film was used as counter electrode for dye-sensitized solar cell (DSSC). The cyclic voltammetry, 'electrochemical impedance spectroscopy and Tafel curves measurements indicated that the PtNP/GN CE has higher conductivity and better electrocatalytic activity for I-3(-)/I- redox reaction, lower charge transfer resistance on the electrolyte/electrode interface for I-3(-)/I- redox reaction than that of Pt electrode, which is due to that the synergistic effect combined platinum nanoparticles with graphene nanosheet intrinsic characteristic. As a result, the DSSC based on the PtNP/GN counter electrode achieved a high power conversion efficiency of 7.88% under AM1.5 illumination of 100 mW cm(-2), which is higher 21.04% than that of the DSSC based on Pt electrode. (C) 2012 Elsevier Ltd. All rights reserved.

引用

页码：64 / 70

页数：7

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