Copper molybdenum sulfide: a new efficient electrocatalyst for hydrogen production from water

被引：285

作者：

Tran, Phong D. ^{[1
]}

Mai Nguyen ^{[1
]}

Pramana, Stevin S. ^{[2
,3
]}

Bhattacharjee, Anirban ^{[4
]}

Chiam, Sing Yang ^{[5
]}

Fize, Jennifer ^{[6
]}

Field, Martin J. ^{[4
]}

Artero, Vincent ^{[6
]}

Wong, Lydia H. ^{[2
]}

Loo, Joachim ^{[2
]}

Barber, James ^{[2
,7
]}

机构：

[1] Nanyang Technol Univ, Energy Res Inst NTU, Singapore, Singapore

[2] Nanyang Technol Univ, Solar Fuel Lab, Sch Mat Sci & Engn, Singapore, Singapore

[3] Nanyang Technol Univ, FACTS, Singapore, Singapore

[4] Univ Grenoble 1, Inst Biol Struct Jean Pierre Ebel, DYNAMO Team, DYNAMOP Grp,CEA,CNRS,UMR9075, Grenoble, France

[5] ASTAR, Inst Mat Res & Engn, Singapore, Singapore

[6] Univ Grenoble 1, Lab Chim & Biol Met, CNRS, CEA, Grenoble, France

[7] Univ London Imperial Coll Sci Technol & Med, Div Mol Biosci, London SW7 2AZ, England

来源：

ENERGY & ENVIRONMENTAL SCIENCE | 2012年 / 5卷 / 10期

关键词：

PHOTOCATALYTIC H-2 EVOLUTION; RECENT PROGRESS; CATALYSTS; NI; CO; FE; MO;

D O I：

10.1039/c2ee22611a

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A new inorganic solid state electrocatalyst for the hydrogen evolution reaction (HER) is reported. Highly crystalline layered ternary sulfide copper-molybdenum- sulfide (Cu2MoS4) was prepared by a simple precipitation method from Cu-I and [MoS4](2-) precursors. In aqueous solution and over a wide pH range (pH 0 to 7), this Cu2MoS4 showed very good catalytic activity for HER with an overvoltage requirement of only ca. 135 mV and an apparent exchange current density of 0.040 mA cm(-2) (Tafel slope of ca. 95 mV per decade was found irrespective of the pH value). This Cu2MoS4 catalyst was found to be stable during electrocatalytic hydrogen generation. Therefore, it represents an attractive alternative to platinum.

引用

页码：8912 / 8916

页数：5

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