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
收藏
页码：12928 / 12932
页数：5
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