Electrochemical growth and oxygen reduction property of Ag nanosheet arrays on a Ti/TiO2 electrode

被引：23

作者：

Lee, Chien-Liang ^{[1
]}

Syu, Chia-Chieh ^{[1
]}

机构：

[1] Natl Kaohsiung Univ Appl Sci, Dept Chem & Mat Engn, Kaohsiung 807, Taiwan

来源：

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2011年 / 36卷 / 23期

关键词：

Electrodeposition; Oxygen reduction reaction; ROTATING-DISC ELECTRODE; ALKALINE FUEL-CELLS; NANOWIRE CATALYSTS; SILVER; MEDIA; SURFACES; SIZE;

D O I：

10.1016/j.ijhydene.2011.08.075

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：

A standing Ag nanosheet array was successfully deposited using an electrochemical method. The results demonstrated that the adsorption of polyvinylpyrrolidone (PVP) over the Ag (111) plane during deposition (1) inhibits the crystalline growth in the [111] direction, (2) stacks atomic faults in the fcc structure, and (3) forms a standing Ag nanosheet composed essentially of (111) planes. In an application, this Ag nanosheet array can be successfully used as an oxygen reduction catalyst. Based on Koutecky-Levich equation, the involved electron number at -0.2 V was 3.97. Copyright (C) 2011, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.

引用

收藏

页码：15068 / 15074

页数：7

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