Electrocatalytic Reduction of Hydrogen Peroxide at Nanoporous Gold Surfaces

被引：3
|
作者：
Park, Youhoon [1 ]
Kim, Jongwon [1 ]
机构：
[1] Chungbuk Natl Univ, Dept Chem, Cheongju 361763, Chungbuk, South Korea
来源：
JOURNAL OF THE KOREAN ELECTROCHEMICAL SOCIETY | 2010年 / 13卷 / 04期
关键词：
Nanoporous gold; Electrocatalysis; Hydrogen peroxide; Amperometric detection;
D O I：
10.5229/JKES.2010.13.4.251
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
We report on the electrocatalytic reduction of hydrogen peroxide at nanoporous gold (NPG) surfaces. Various NPG surfaces with different surface structure were prepared by changing the conditions of electrodeposition for Ag-Au layers such as the concentration ratios of KAu(CN)(2) over KAg(CN)(2) and deposition charges. The effects of different electrochemical conditions on the electrocatalysis of H2O2 reduction were investigated. The NPG surfaces exhibited sensitive amperometric responses for H2O2 reduction, from which calibration plots with higher sensitivity than a bare Au surface were obtained.
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页码：251 / 255
页数：5
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