Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 54, Issue 44, Pages 12928-12932Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201505691
Keywords
hydrogen-evolution reaction; metal-organic frameworks; Molybdenum; phosphorus-doped porous carbon; reduced graphene oxide
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Funding
- National Natural Science Foundation of China [21371099, 21471080, 21431006, 21521001, 91227103]
- NSF of Jiangsu Province of China [BK20130043, BK20141445]
- Natural Science Research of Jiangsu Higher Education Institutions of China [13KJB150021]
- Priority Academic Program Development of Jiangsu Higher Education Institutions
- Foundation of Jiangsu Collaborative Innovation Center of Biomedical Functional Materials
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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.
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