Synthesis of Pd nanowire networks by a simple template-free and surfactant-free method and their application in formic acid electrooxidation

被引：62

作者：

Wang, Jiajun ^{[1
]}

Chen, Yougui ^{[1
]}

Liu, Hao ^{[1
]}

Li, Ruying ^{[1
]}

Sun, Xueliang ^{[1
]}

机构：

[1] Univ Western Ontario, Dept Mech & Mat Engn, London, ON N6A 5B9, Canada

来源：

ELECTROCHEMISTRY COMMUNICATIONS | 2010年 / 12卷 / 02期

基金：

加拿大自然科学与工程研究理事会;

关键词：

Fuel cells; Formic acid oxidation; Pd nanowire; Template; Stabilizer; NANOSPHERES; SHAPE;

D O I：

10.1016/j.elecom.2009.11.029

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

A large volume of Pd nanowire networks with lengths of a few tens of nanometers are synthesized successfully by the inherent self-assembly process with the stabilizing effect of sodium citrate. The Pd nanowire networks exhibit a superior electrocatalytic activity for formic acid oxidation. The specific area activities of Pd nanowire at 0.1 V calculated from the forward-scan currents were 1.38 mA cm(-2), which is 97% higher than that obtained from Pd nanoparticle or peanut-like structures (0.70 mA cm(-2)). The mechanism of the significant enhancement of the catalytic activity of I'd nanowire network can be due to the unique surface characteristics and effective electronic conduction path within the Pd nanowire networks. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：219 / 222

页数：4