One-step synthesis of Pt nanoparticles/reduced graphene oxide composite with enhanced electrochemical catalytic activity

被引：29

作者：

Chen Chen ^{[1
]}

Long MingCe ^{[1
]}

Wu HaoDong ^{[1
]}

Cai WeiMin ^{[1
]}

机构：

[1] Shanghai Jiao Tong Univ, Sch Environm Sci & Engn, Shanghai 200240, Peoples R China

来源：

SCIENCE CHINA-CHEMISTRY | 2013年 / 56卷 / 03期

基金：

中国国家自然科学基金;

关键词：

graphene; electrodeposition; platinum nanoparticles; dye-sensitized solar cells; SENSITIZED SOLAR-CELLS; COUNTER-ELECTRODE; TEMPERATURE SYNTHESIS; FUEL-CELLS; PERFORMANCE; CARBON; FILM; FABRICATION; REDUCTION; EFFICIENT;

D O I：

10.1007/s11426-012-4702-y

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A one-step electrochemical approach for synthesis of Pt nanoparticles/reduced graphene oxide (Pt/RGO) was demonstrated. Graphene oxide (GO) and chloroplatinic acid were reduced to RGO and Pt nanoparticles (Pt NPs) simultaneously, and Pt/RGO composite was deposited on the fluorine doped SnO2 glass during the electrochemical reduction. The Pt/RGO composite was characterized by field emission-scanning electron microscopy, Raman spectroscopy and X-ray photoelectron spectroscopy, which confirmed the reduction of GO and chloroplatinic acid and the formation of Pt/RGO composite. In comparison with Pt NPs and RGO electrodes obtained by the same method, results of cyclic voltammetry and electrochemical impedance spectroscopy measurements showed that the composite electrode had higher catalytic activity and charge transfer rate. In addition, the composite electrode had proved to have better performance in DSSCs than the Pt NPs electrode, which showed the potential application in energy conversion.

引用

页码：354 / 361

页数：8

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