Photochemical Synthesis of a Water Oxidation Catalyst Based on Cobalt Nanostructures

被引：81

作者：

Wee, Tse-Luen ^{[3
,4
]}

Sherman, Benjamin D. ^{[1
,2
]}

Gust, Devens ^{[1
,2
]}

Moore, Ana L. ^{[1
,2
]}

Moore, Thomas A. ^{[1
,2
]}

Liu, Yun ^{[3
,4
]}

Scaiano, Juan C. ^{[3
,4
]}

机构：

[1] Arizona State Univ, Dept Chem & Biochem, Tempe, AZ 85287 USA

[2] Arizona State Univ, Ctr Bioinspired Solar Fuel Prod, Tempe, AZ 85287 USA

[3] Univ Ottawa, Ctr Catalysis Res & Innovat, Ottawa, ON K1N 6N5, Canada

[4] Univ Ottawa, Dept Chem, Ottawa, ON K1N 6N5, Canada

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2011年 / 133卷 / 42期

基金：

加拿大自然科学与工程研究理事会;

关键词：

EVOLUTION;

D O I：

10.1021/ja206280g

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

New cobalt-based nanocomposites have been prepared by photoreduction of Co2+ salts to generate cobalt nanoparticles deposited on carbon-based materials such as nanocyrstalline diamond and carbon felt. Spontaneous air oxidation converts the metal to Co2O3 which has been tested as a water oxidation catalyst. This work demonstrates that the cobalt oxide nanostructures can be deposited on various carbon surfaces and can catalyze the four-electron oxidation of water to oxygen under anodic bias.

引用

页码：16742 / 16745

页数：4

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