Enhanced Electrocatalysis for Hydrogen Evolution Reactions from WS2 Nanoribbons

被引：162

作者：

Lin, Jian ^{[1
,2
]}

Peng, Zhiwei ^{[3
]}

Wang, Gunuk ^{[2
,3
]}

Zakhidov, Dante ^{[3
]}

Larios, Eduardo ^{[4
,5
]}

Yacaman, Miguel Jose ^{[4
]}

Tour, James M. ^{[1
,2
,3
]}

机构：

[1] Rice Univ, Dept Mat Sci & NanoEngn, Houston, TX 77005 USA

[2] Rice Univ, Smalley Inst Nanoscale Sci & Technol, Houston, TX 77005 USA

[3] Rice Univ, Dept Chem, Houston, TX 77005 USA

[4] Univ Texas San Antonio, Dept Phys & Astron, San Antonio, TX 78249 USA

[5] Univ Sonora, Dept Ingn Quim, Hermosillo 83000, Sonora, Mexico

来源：

ADVANCED ENERGY MATERIALS | 2014年 / 4卷 / 10期

基金：

美国国家卫生研究院;

关键词：

ACTIVE EDGE SITES; MOS2; GRAPHENE; NANOPARTICLES; NANOSHEETS; OXIDATION; CATALYST; DESIGN; RAMAN; H-2;

D O I：

10.1002/aenm.201301875

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 facile route is developed to boost the electrocatalytic activity of WS2 by chemically unzipping WS2 nanotubes to form WS2 nanoribbons (NRs) with increased edge content. Analysis indicates that the hydrogen evolution reaction activity is strongly associated with the number of exposed active edge sites. The formation of WS2 NRs is an effective route for controlling the electrochemical properties of the 2D dichalcogenides, enabling their application in electrocatalysis.

引用

页数：7

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