期刊
JOURNAL OF MATERIALS CHEMISTRY A
卷 3, 期 45, 页码 22886-22891出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5ta07234d
关键词
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资金
- National Recruitment Program of Global Experts, Zhujiang New Stars of Science Technology [2014J2200061]
- Project of Public Interest Research and Capacity Building of Guangdong Province [2014A010106005]
- Fundamental Research Funds for the Central Universities [D2153880]
- National Natural Science Foundation of China [51502096]
- National Science Fund for Excellent Young Scholars of China [51422203]
- Excellent Youth Foundation of Guangdong Scientific Committee [S2013050013882]
The design and engineering of low-cost and high-efficiency electrocatalysts for the hydrogen evolution reaction (HER) has attracted increasing interest in renewable energy research. Herein, MoS2 nanosheet-coated CoS2 nanowire arrays supported on carbon cloth (MoS2/CoS2/CC) were prepared by a two-step procedure that entailed the hydrothermal growth of Co(OH)(2) nanowire arrays on carbon cloth followed by reaction with (NH4)(2)MoS4 to grow an overlayer of MoS2 nanosheets. Electrochemical studies showed that the obtained 3D electrode exhibited excellent HER activity with an overpotential of -87 mV at 10 mA cm(-2), a small Tafel slope of 73.4 mV dec(-1) and prominent electrochemical durability. The results presented herein may offer a new methodology for the design and engineering of effective multilevel structured catalysts for the HER based on earth-abundant components.
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