Facile synthesis of mesoporous WS2 for water oxidation

被引：29

作者：

Hu, Kang ^{[1
]}

Zhou, Jiahui ^{[1
]}

Yi, Zixiao ^{[1
]}

Ye, Chenlu ^{[1
]}

Dong, Hanying ^{[1
]}

Yan, Kai ^{[1
]}

机构：

[1] Sun Yat Sen Univ, Sch Environm Sci & Engn, Guangdong Prov Key Lab Environm Pollut & Remediat, Guangzhou 510275, Guangdong, Peoples R China

来源：

APPLIED SURFACE SCIENCE | 2019年 / 465卷

基金：

中国国家自然科学基金; 国家重点研发计划;

关键词：

WS2; Mesoporous; Water oxidation; Activity; Low overpotential; OXYGEN EVOLUTION REACTION; LAYERED DOUBLE HYDROXIDE; EFFICIENT; ELECTROCATALYSTS; ELECTRODES; CATALYSIS; NI; NANOCOMPOSITE; EXFOLIATION; NANOSHEETS;

D O I：

10.1016/j.apsusc.2018.09.179

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：

Mesoporous transition metal disulfide WS2 are facilely grown on the Ni foam substrate with 3D nanoflowers morphology and large surface area. The as-obtained WS2/Ni exhibit high performances for water oxidation in 1.0 M NaOH solution, which are much superior to those of the state-of-the-art RuO2/Ni and previously reported oxygen evolution catalysts. The WS2/Ni electrocatalyst manifests the high performance, displaying a very low overpotential of 0.335 V at 20.0 mA cm(-2) and much improved durability. The facile and controllable synthesis is promising for the rational design of electrocatalyst for the renewable energy conversion.

引用

页码：351 / 356

页数：6

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