Growth Control of MoS2 Nanosheets on Carbon Cloth for Maximum Active Edges Exposed: An Excellent Hydrogen Evolution 3D Cathode

被引：171

作者：

Zhang, Nan ^{[1
,2
]}

Gan, Shiyu ^{[1
]}

Wu, Tongshun ^{[1
]}

Ma, Weiguang ^{[1
,2
]}

Han, Dongxue ^{[1
]}

Niu, Li ^{[1
]}

机构：

[1] Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Electroanalyt Chem, Engn Lab Modern Analyt Tech, Changchun 130022, Jilin, Peoples R China

[2] Univ Chinese Acad Sci, Beijing 100039, Peoples R China

来源：

ACS APPLIED MATERIALS & INTERFACES | 2015年 / 7卷 / 22期

关键词：

active-edges control; vertical alignment; three-dimensional; MoS2; nanosheets; hydrogen evolution reaction; HYDROTHERMAL SYNTHESIS; ULTRATHIN NANOSHEETS; MOLYBDENUM SULFIDE; FACILE SYNTHESIS; GRAPHENE OXIDE; EFFICIENT; NANOPARTICLES; NANOWIRES; ZNO; CATALYSTS;

D O I：

10.1021/acsami.5b02586

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

To greatly improve the hydrogen evolution reaction (HER) performance, it is the key approach to expose as many active edges of MoS2 as Possible. This target is the research hotspot and difficulty of MoS2 which is a promising HER catalyst. In this work, we realized the active-edges control of MoS2 nanosheets on carbon cloth (CC) by growth control during the synthesis procedure. Moreover, MoS2 nanosheets vertically grown on carbon cloth (MoS2 perpendicular to CC) was confirmed to be the best morphology with maximum active edges exposed. Multifactors structure control resulted in abundant active-edges exposure and effective electron delivery, thus excellent HER activity. This three-dimensional cathode, MoS2 perpendicular to CC, can reach a great current density of 200 mA/cm(2) at a small overpotential of 205 mV. The preeminent HER performance can rival the best MoS2-based catalyst ever reported.

引用

页码：12193 / 12202

页数：10

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