Molybdenum Carbide Anchored on Graphene Nanoribbons as Highly Efficient All-pH Hydrogen Evolution Reaction Electrocatalyst

被引：122

作者：

Gao, Wei ^{[1
]}

Shi, Yiqin ^{[2
]}

Zhang, Youfang ^{[1
]}

Zuo, Lizeng ^{[1
]}

Lu, Hengyi ^{[1
]}

Huang, Yunpeng ^{[1
]}

Fan, Wei ^{[2
]}

Liu, Tianxi ^{[1
,2
]}

机构：

[1] Fudan Univ, Dept Macromol Sci, State Key Lab Mol Engn Polymers, 220 Handan Rd, Shanghai 200433, Peoples R China

[2] Donghua Univ, Coll Mat Sci & Engn, State Key Lab Modificat Chem Fibers & Polymer Mat, 2999 North Renmin Rd, Shanghai 201620, Peoples R China

来源：

ACS SUSTAINABLE CHEMISTRY & ENGINEERING | 2016年 / 4卷 / 12期

基金：

中国国家自然科学基金;

关键词：

Molybdenum carbide; Graphene nanoribbons; All-pH value; Hydrogen evolution reaction; Electrocatalyst; MULTIWALLED CARBON NANOTUBES; TRANSITION-METAL CARBIDES; MO2C NANOPARTICLES; OXYGEN REDUCTION; NANOSHEETS; GENERATION; CATALYST; WATER; PERFORMANCE; ELECTRODE;

D O I：

10.1021/acssuschemeng.6b00859

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The demand for exploiting hydrogen as a new energy source has driven the development of feasible, efficient, and low-cost electrocatalysts for hydrogen evolution reaction (HER) in different reaction media. Herein, we report the synthesis of molybdenum carbide (Mo2C) nanoparticles anchored on graphene nanoribbons (GNRs) as HER electrocatalyst that can function well under acidic, basic, and neutral conditions. GNRs obtained by unzipping carbon nanotubes (CNTs) display strip-like structure, offering abundant active sites for growing Mo2C nanoparticles. Furthermore, GNRs could provide a fast electron transport pathway as well as large exposed surface area to allow full impregnation of electrolytes. Coupling with the anticorrosion feature of Mo2C nanoparticles, the Mo2C-GNR hybrid exhibits outstanding electrocatalytic performance in all of the acidic, basic, and neutral media, making it promising as a highly efficient electrocatalyst under conditions at all pH values.

引用

页码：6313 / 6321

页数：9

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