Effect of Fenton's reagent on the electrocatalytic activity of gold nanoparticles

被引：7
|
作者：
Dutta, Gorachand
Yang, Haesik [1 ]
机构：
[1] Pusan Natl Univ, Dept Chem, Pusan 609735, South Korea
来源：
ELECTROCHEMISTRY COMMUNICATIONS | 2011年 / 13卷 / 12期
基金：
新加坡国家研究基金会;
关键词：
Gold nanoparticle; Electrocatalytic activity; Fenton's reagent; Aging; H2O2; Hydroquinone; ENHANCEMENT;
D O I：
10.1016/j.elecom.2011.08.002
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
The effect of Fenton's reagent on gold nanoparticles (AuNPs) is investigated using indium-tin oxide electrodes modified with electrodeposited AuNPs. The size of AuNPs and their total surface area do not change appreciably during treatment of the electrodes with Fenton's reagent, but the electrocatalytic activities of AuNPs for hydroquinone electrooxidation (and H2O2 electrooxidation) decrease with an increase of the treatment period. This decrease is much more rapid than that occurring when AuNPs age in air, but it is slower than that occurring when bulk Au electrodes are treated with Fenton's reagent. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：1328 / 1331
页数：4
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