Electrodeposition and electrocatalytic properties of platinum nanoparticles on multi-walled carbon nanotubes: effect of the deposition conditions

被引：0
|
作者：
Yue Zhao
Louzhen Fan
Haizheng Zhong
Yongfang Li
机构：
[1] Beijing Normal University,Department of Chemistry
[2] Chinese Academy of Sciences,Institute of Chemistry
来源：
Microchimica Acta | 2007年 / 158卷
关键词：
Key words: MWCNTs; platinum nanoparticles; electrocatalysis; cyclic voltammetry.;
D O I：
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学科分类号：
摘要：
Platinum (Pt) nanoparticles were electrochemically deposited on multi-walled carbon nanotubes (MWCNTs) through a three-step process, including an electrochemical treatment of MWCNT, electro-oxidation of PtCl42− to Pt(IV) complex, and an electro-conversion of Pt(0) on MWCNT. The effect of formation conditions for Pt(IV) complexes on the Pt nanoparticals transformed was investigated. The structure and elemental composition of the resulting Pt/MWCNT electrode were characterized by transmission electron micrograph (TEM) and energy dispersive X-ray spectroscopy (EDX). The electrocatalytic properties of the resulting Pt/MWCNT electrode for methanol oxidation have been investigated. The high electrocatalytic activity and good stability of Pt/MWCNT electrode may be attributed to the high dispersion of platinum nanoparticles and the particular properties of the MWCNT supports.
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页码：327 / 334
页数：7
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