Template preparation of Pt nanowire array electrode on Ti/Si substrate for methanol electro-oxidation

被引：46
|
作者：
Zhao, Guang-Yu [1 ]
Xu, Cai-Ling [1 ]
Guo, Dao-Jun [1 ]
Li, Hua [1 ]
Li, Hu-Lin [1 ]
机构：
[1] Lanzhou Univ, Coll Chem & Chem Engn, Lanzhou 730000, Peoples R China
来源：
APPLIED SURFACE SCIENCE | 2007年 / 253卷 / 06期
基金：
中国国家自然科学基金;
关键词：
portable power sources; AAO/Ti/Si; Pt nanowire array electrode; electro-catalysis; methanol oxidation;
D O I：
10.1016/j.apsusc.2006.07.015
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 (Pt) nanowire array electrode is obtained by dc electrodeposition of Pt into the pores of anodic aluminum oxide (AAO) template on TV Si substrate. Transmission electron microscope (TEM) examination shows all the nanowires have uniform diameter of about 30 nm. The brush shapes Pt nanowire array electrode can be seen clearly by field emission scanning electron microscope (FESEM). Pt nanowire array electrode gives the X-ray diffraction (XRD) pattern of face-centered cubic (fcc) crystal structure. The electro-oxidation of methanol on this electrode is investigated at room temperature by cyclic voltammetry. The results demonstrated that the Pt nanowire array electrode will have good potential applications in portable power sources. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：3242 / 3246
页数：5
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