Atomic layer deposition of Pt nanocatalysts on graphene oxide nanosheets for electro-oxidation of formic acid

被引：62
作者：
Hsieh, Chien-Te [1 ]
Chen, Wei-Yu [1 ]
Tzou, Dong-Ying [1 ]
Roy, Anup Kumar [1 ]
Hsiao, Han-Tsung [1 ]
机构：
[1] Yuan Ze Univ, Dept Chem Engn & Mat Sci, Yuan Ze Fuel Cell Ctr, Tao Yuan 32003, Taiwan
来源：
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2012年 / 37卷 / 23期
关键词：
Atomic layer deposition; Pt catalysts; Oxidation of formic acid; Graphene oxide nanosheets; Fuel cells; ELECTROCHEMICAL ACTIVITY; ALLOY NANOPARTICLES; CARBON NANOTUBES; LITHIUM STORAGE; CATALYSTS; PERFORMANCE; PLATINUM; ELECTRODES; SIZE;
D O I：
10.1016/j.ijhydene.2012.08.139
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：
This study describes an atomic layer deposition (ALD) approach for the fabrication of Pt nanocatalysts supported on graphene oxide (GO) sheets and their electrocatalytic performance in electro-oxidation of formic acid. The ALD process for forming the Pt atomic layer involves two self-limiting reactions and, thus, induces the decoration of ALD-Pt on the edges of GO sheets with the presence of dangling bonds and oxygen functionalities. The resultant ALD-Pt catalyst on GO sheets offers better catalytic activity, CO tolerance, and long-term stability than those on commercial carbon support. On the basis of the results, the ALD approach described here can be applied to the design of novel catalytic materials for a variety of energy-storage applications, for example, high-performance fuel cells. Copyright (c) 2012, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：17837 / 17843
页数：7
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