Porous Molybdenum-Based Hybrid Catalysts for Highly Efficient Hydrogen Evolution

被引：410

作者：

Tang, Yu-Jia ^{[1
]}

Gao, Min-Rui ^{[2
]}

Liu, Chun-Hui ^{[1
]}

Li, Shun-Li ^{[1
]}

Jiang, Hai-Long ^{[2
]}

Lan, Ya-Qian ^{[1
]}

Han, Min ^{[1
]}

Yu, Shu-Hong ^{[2
]}

机构：

[1] Nanjing Normal Univ, Sch Chem & Mat Sci, Nanjing 210023, Jiangsu, Peoples R China

[2] Univ Sci & Technol China, Collaborat Innovat Ctr Suzhou Nano Sci & Technol, Hefei Natl Lab Phys Sci Microscale, Div Nanomat & Chem,Dept Chem, Hefei 230026, Peoples R China

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2015年 / 54卷 / 44期

基金：

中国国家自然科学基金;

关键词：

hydrogen-evolution reaction; metal-organic frameworks; Molybdenum; phosphorus-doped porous carbon; reduced graphene oxide; METAL-ORGANIC FRAMEWORK; ACTIVE EDGE SITES; FREE ELECTROCATALYSTS; DECORATED GRAPHENE; HIGH-PERFORMANCE; NITROGEN; NANOSHEETS; CARBONS; OXIDE;

D O I：

10.1002/anie.201505691

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We have synthesized a porous Mo-based composite obtained from a polyoxometalate-based metal-organic framework and graphene oxide (POMOFs/GO) using a simple one-pot method. The MoO2@PC-RGO hybrid material derived from the POMOFs/GO composite is prepared at a relatively low carbonization temperature, which presents a superior activity for the hydrogen-evolution reaction (HER) in acidic media owing to the synergistic effects among highly dispersive MoO2 particles, phosphorus-doped porous carbon, and RGO substrates. MoO2@PC-RGO exhibits a very positive onset potential close to that of 20% Pt/C, low Tafel slope of 41mVdec(-1), high exchange current density of 4.8x10(-4)Acm(-2), and remarkable long-term cycle stability. It is one of the best high-performance catalysts among the reported nonprecious metal catalysts for HER to date.

引用

页码：12928 / 12932

页数：5

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