Defect-Rich MoS2 Ultrathin Nanosheets with Additional Active Edge Sites for Enhanced Electrocatalytic Hydrogen Evolution

被引：2892

作者：

Xie, Junfeng ^{[1
]}

Zhang, Hao ^{[1
]}

Li, Shuang ^{[1
]}

Wang, Ruoxing ^{[1
]}

Sun, Xu ^{[1
]}

Zhou, Min ^{[1
]}

Zhou, Jingfang ^{[3
]}

Lou, Xiong Wen ^{[2
]}

Xie, Yi ^{[1
]}

机构：

[1] Univ Sci & Technol China, Hefei Natl Lab Phys Sci Microscale, Dept Chem, Hefei 230026, Anhui, Peoples R China

[2] Nanyang Technol Univ, Sch Chem & Biomed Engn, Singapore 637459, Singapore

[3] Univ S Australia, Ian Wark Res Inst, Mawson Lakes, SA 5095, Australia

来源：

ADVANCED MATERIALS | 2013年 / 25卷 / 40期

基金：

澳大利亚研究理事会;

关键词：

GRAIN-BOUNDARIES; ELECTROCHEMICAL PERFORMANCE; MOLYBDENUM; SURFACES; NANOPARTICLES; DISLOCATIONS; EFFICIENT; GRAPHENE; IDENTIFICATION; NANOCRYSTALS;

D O I：

10.1002/adma.201302685

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Defect-rich MoS2 ultrathin nanosheets are synthesized on a gram scale for electrocatalytic hydrogen evolution. The novel defect-rich structure introduces additional active edge sites into the MoS2 ultrathin nanosheets, which significantly improves their electrocatalytic performance. Low onset overpotential and small Tafel slope, along with large cathodic current density and excellent durability, are all achieved for the novel hydrogen-evolution-reaction electrocatalyst.

引用

页码：5807 / +

页数：8

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