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
收藏
页码：1253 / 1260
页数：8
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