CNx        nanotubes as catalyst support to immobilize platinum nanoparticles for methanol oxidation

Bing Yue; Yanwen Ma; Haisheng Tao; Leshu Yu; Guoqiang Jian; Xizhang Wang; Xiaoshu Wang; Yinong Lu; Zheng Hu

doi:10.1039/B718283J

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CN_xnanotubes as catalyst support to immobilize platinum nanoparticles for methanoloxidation

Bing Yue,^a Yanwen Ma,*^a Haisheng Tao,^a Leshu Yu,^a Guoqiang Jian,^a Xizhang Wang,^a Xiaoshu Wang,^b Yinong Lu^c and Zheng Hu*^a

Author affiliations

* Corresponding authors

^a Key Laboratory of Mesoscopic Chemistry of MOE and Jiangsu Provincial Lab for Nanotechnology, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, China
E-mail: zhenghu@nju.edu.cn
Fax: +86-25-83686251
Tel: +86-25-83686015

^b Center for Materials Analysis, Nanjing University, Nanjing, China

^c College of Materials Science and Engineering, Nanjing University of Technology, Nanjing, China

Abstract

Pt nanoparticles with sizes of 3–9 nm were well dispersed on carbon nitride (CN_x) nanotubes without needing pre-surface modification on the CN_x nanotubes due to the inherent chemical activity. The products were characterized by transmission electron microscopy, X-ray diffraction and X-ray photoelectron spectroscopy. All the experimental results revealed that Pt nanoparticles were immobilized on the CN_x nanotubes due to the N-participation in the connection of Pt species with the support. The electrocatalytic property of the as-prepared Pt/CN_x catalyst in methanol oxidation was examined by cyclic voltammetry. The results reveal that the so-constructed Pt/CN_x catalyst has obvious catalytic activity, suggesting potential applications in fuel cells.

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Article information

DOI: https://doi.org/10.1039/B718283J
Article type: Paper
Submitted: 26 Nov 2007
Accepted: 01 Feb 2008
First published: 26 Feb 2008

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J. Mater. Chem., 2008,18, 1747-1750

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CN_x nanotubes as catalyst support to immobilize platinum nanoparticles for methanol oxidation

B. Yue, Y. Ma, H. Tao, L. Yu, G. Jian, X. Wang, X. Wang, Y. Lu and Z. Hu, J. Mater. Chem., 2008, 18, 1747 DOI: 10.1039/B718283J

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Journal of Materials Chemistry