High dispersion and electrocatalytic properties of Pt nanoparticles on SWNT bundles

被引：179

作者：

Guo, DJ ^{[1
]}

Li, HL ^{[1
]}

机构：

[1] Lanzhou Univ, Coll Chem & Chem Engn, State Key Lab Appl Organ Chem, Lanzhou 730000, Peoples R China

来源：

JOURNAL OF ELECTROANALYTICAL CHEMISTRY | 2004年 / 573卷 / 01期

关键词：

SWNTs; platinum nanoparticles; electrocatalysis; methanol oxidation;

D O I：

10.1016/j.jelechem.2004.07.006

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Platinum (Pt) nanoparticles were electrochemically dispersed on single-walled carbon nanotube (SWNT) bundles by electro-reduction of the Pt(IV) complex formed on the SWNT surface. The structure and elemental composition of the resulting Pt/SWNT composite were characterized by transmission electron micrograph (TEM), X-ray diffraction (XRD) and energy dispersive X-ray spectroscopy (EDS). The electrocatalytic properties of the Pt/SWNT electrode for methanol oxidation have been investigated by cycle voltammetry (CV). A high electrocatalytic activity and excellent stability of the Pt/SWNT electrode can be observed. This may be attributed to the high dispersion of platinum nanoparticles and the particular properties of the SWNT supports. The results imply that the Pt/SWNT composite has good potential applications in fuel cells. (C) 2004 Elsevier B.V. All rights reserved.

引用

页码：197 / 202

页数：6

共 35 条

[1] Electroless plating of metals onto carbon nanotubes activated by a single-step activation method [J].