期刊
JOURNAL OF MATERIALS CHEMISTRY A
卷 4, 期 5, 页码 1647-1652出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5ta08458j
关键词
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资金
- National Basic Research Program of China [2011CB933700]
- National Natural Science Foundation of China [51561135011, 51572253, 21271165]
As a clean and renewable energy carrier, hydrogen generation has attracted much interest and the electrocatalytic hydrogen evolution reaction (HER) is one of the most promising ways of low-cost hydrogen production in the future. In this work, we report the fabrication of noble-metal-free P doped MoO2 nanoparticles (NPs) on Mo foil as electrodes for highly efficient HER. Benefiting from a strong interaction between P doped MoO2 NPs and Mo foil as a current collector, the obtained electrode exhibits excellent HER activity with a small onset overpotential of 80 mV, a large cathodic current density of 10 mA cm(-2) at 135 mV and a small Tafel slope of 62 mV per decade, much better than MoO2-based catalysts. Additionally, a P doped MoO2 film/Mo foil electrode displays good stability even after 2000 potential cycles in acidic media. The development of a novel route to prepare P doped MoO2 on Mo foil as an active HER catalyst broadens the insight of designing noble-metal-free HER efficient catalysts with cost-effective and environmentally friendly advantages.
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