Electrocatalytic hydrogen evolution using amorphous tungsten phosphide nanoparticles

被引：268
作者：
McEnaney, Joshua M. [1 ,2 ]
Crompton, J. Chance [3 ]
Callejas, Juan F. [1 ,2 ]
Popczun, Eric J. [1 ,2 ]
Read, Carlos G. [1 ,2 ]
Lewis, Nathan S. [3 ]
Schaak, Raymond E. [1 ,2 ]
机构：
[1] Penn State Univ, Dept Chem, University Pk, PA 16802 USA
[2] Penn State Univ, Mat Res Inst, University Pk, PA 16802 USA
[3] CALTECH, Div Chem & Chem Engn, Pasadena, CA 91125 USA
来源：
CHEMICAL COMMUNICATIONS | 2014年 / 50卷 / 75期
基金：
美国国家科学基金会;
关键词：
NANOWIRE ARRAYS; EFFICIENT; CATALYST; CARBIDE; NITRIDES; SURFACE; FUEL;
D O I：
10.1039/c4cc04709e
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Amorphous tungsten phosphide (WP), which has been synthesized as colloidal nanoparticles with an average diameter of 3 nm, has been identified as a new electrocatalyst for the hydrogen-evolution reaction (HER) in acidic aqueous solutions. WP/Ti electrodes produced current densities of -10 mA cm(-2) and -20 mA cm(-2) at overpotentials of only -120 mV and -140 mV, respectively, in 0.50 M H2SO4(aq).
引用
收藏
页码：11026 / 11028
页数：3
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