Layered MoS2@graphene functionalized with nitrogen-doped graphene quantum dots as an enhanced electrochemical hydrogen evolution catalyst

被引：2

作者：

Lina Wang ^{[1
]}

Sen Sun ^{[1
]}

Yan Wang ^{[1
]}

Xiaoling Chen ^{[1
]}

Kangning Zhang ^{[1
]}

Dongxia Zhang ^{[1
]}

Zhonghua Xue ^{[2
]}

Xibin Zhou ^{[1
]}

机构：

[1] Key Laboratory of Bioelectrochemistry & Environmental Analysis of Gansu Province, College of Geography and Environment Science, Northwest Normal University

[2] College of Chemistry and Chemical Engineering, Northwest Normal University

来源：

ChineseChemicalLetters | 2019年 / 30卷 / 06期

基金：

中国国家自然科学基金;

关键词：

N-doped graphene quantum dots; Graphene; Molybdenum disulfide; Catalyst; Hydrogen evolution reaction;

D O I：

暂无

中图分类号：

TQ426 [催化剂（触媒）]; TQ116.2 [氢气];

学科分类号：

080502 ; 081705 ;

摘要：

A novel three-dimensional(3D)layered MoS2@graphene functionalized with nitrogen-doped graphene quantum dots(MoS2@N-GQDs-GR)composites as an enhanced electrochemical hydrogen evolution catalyst.The few layered MoS2nano flowers supported on N-GQDs-GR surface were elaborately fabricated by one-pot hydrothermal method,which MoS2and N-GQDs-GR exist in a bonding manner of Mo-N.In addition,due to the layered MoS2sheet edge exposes more hydrogen evolution active sites and N-GQD s-GR have high conductivity,the composites exhibit prominent electrocatalytic activity with a low ove rpotential 99 mV,a small Tafel slope 49.3 mV/dec.Therefore,that the curre nt work will develop HER catalysts may replace Pt.

引用

页码：1253 / 1260

页数：8

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