Microwave synthesis and characterization of Pt nanoparticles supported on undoped nanodiamond for methanol electrooxidation

被引：26
|
作者：
Bian, L. Y. [1 ,2 ]
Wang, Y. H. [1 ]
Zang, J. B. [1 ]
Meng, F. W. [1 ]
Zhao, Y. L. [1 ]
机构：
[1] Yanshan Univ, Coll Mat Sci & Engn, State Key Lab Metastable Mat Sci & Technol, Qinhuangdao 066004, Peoples R China
[2] Henan Polytech Univ, Coll Phys & Chem, Jiaozuo 454000, Henan, Peoples R China
来源：
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2012年 / 37卷 / 02期
基金：
中国国家自然科学基金; 中国博士后科学基金;
关键词：
Undoped nanodiamond; Microwave; Platinum; Catalyst; DIAMOND THIN-FILMS; CARBON NANOTUBES; ASSISTED SYNTHESIS; RU NANOPARTICLES; PT/C CATALYSTS; PERFORMANCE; OXIDATION; PLATINUM; ELECTRODEPOSITION; NANOFIBERS;
D O I：
10.1016/j.ijhydene.2011.09.118
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Platinum nanoparticles supported on undoped nanodiamond (ND) with an average particle size of 50 nm were prepared using a microwave-heating polyol method. This method involves the addition of different amounts of chloroplatinic acid in the synthesis solution to obtain different Pt mass percentages. The Pt/ND catalysts were characterized by energy-dispersive spectroscopy, transmission electron microscopy, and X-ray diffraction. The small and uniform Pt nanoparticles were highly dispersed on ND supports. The mean size of the Pt particles was 4-5 nm. The effect of Pt loading on catalytic performance was investigated. Electrochemical measurements demonstrate that the Pt/ND catalysts prepared with proper Pt mass percentage exhibited a significantly high electrocatalytic activity for methanol electrooxidation. Copyright (C) 2011, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：1220 / 1225
页数：6
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