Effect of deposition sequence of platinum and ruthenium particles into nanofibrous network of polyaniline-poly(styrene sulfonic acid) on electrocatalytic oxidation of methanol

被引：27
|
作者：
Liu, Feng-Jiin [1 ]
Huang, Li-Ming [2 ]
Wen, Ten-Chin [2 ]
Li, Ching-Fan [1 ]
Huang, Shu-Ling [1 ]
Gopalan, A. [3 ]
机构：
[1] Natl United Univ, Dept Chem Engn, Kung Ching Li 36003, Miao Li, Taiwan
[2] Natl Cheng Kung Univ, Dept Chem Engn, Tainan 70101, Taiwan
[3] Kyungpook Natl Univ, Dept Chem Edu, Taegu, South Korea
来源：
SYNTHETIC METALS | 2008年 / 158卷 / 15期
关键词：
polyaniline-poly(styrene sulfonic acid); Pt-Ru electrocatalyst; deposition sequence; methanol oxidation; electrocatalytic activity;
D O I：
10.1016/j.synthmet.2008.04.002
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This study reports on the preparation of Pt- and Ru-based electrocatalysts through electrodeposition of Pt and Ru particles into the nanofibrous network of polyaniline (PANI)-poly(styrene sulfonic acid) (PSS). The sequence of electrodeposition of Pt and Ru particles was changed and the electrocatalysts, PANI-PSS-Pt-Ru and PANI-PSS-Ru-Pt, were obtained. Scanning electron microscopy (SEM), X-ray photoelectron microscopy (XPS), and cyclic voltammetry (CV) were employed to investigate the morphology, structural and electrochemical properties of the electrocatalysts, PANI-PSS-Pt-Ru and PANI-PSS-Ru-Pt. The distribution of Pt and Ru particles into PANI-PSS matrix was analyzed by the Auger depth profiles. The electrochemical behavior PANI-PSS-Pt-Ru and PANI-PSS-Ru-Pt and the electrocatalytic behavior toward oxidation of methanol were evaluated by cyclic voltammetry. PANI-PSS-Ru-Pt exhibited a superior electrocatalytic performance for methanol oxidation as compared to PANI-PSS-Pt-Ru. (C)) 2008 Elsevier B.V. All Fights reserved.
引用
收藏
页码：603 / 609
页数：7
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