Journal
APPLIED CATALYSIS B-ENVIRONMENTAL
Volume 154, Issue -, Pages 232-237Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apcatb.2014.02.020
Keywords
Hydrogen evolution reaction; Molybdenum carbide; Nano-rod; Nickel impregnation; Electrocatalyst
Funding
- academic research fund AcRF tier 1 [M4011020 RG8/12]
- Ministry of Education, Singapore and competitive research program [NRF-CRP 001-032]
- National Research Foundation, Singapore
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A well-defined dimolybdenum carbide (Mo2C) nano-rod with a porous structure is successfully synthesized through facile carburization of anilinium molybdate in hydrogen. As a catalyst for hydrogen evolution reaction (HER), we investigated its electrical conductivity and catalytic activity. It is found that, as a standalone catalyst, MO2C nano-rod shows a competitive performance for catalysing HER in acidic media. A composite catalyst based on Ni impregnated Mo2C nano-rod is further synthesized to investigate its catalytic behaviour and reaction mechanism in alkaline condition. Compared to commercial Mo2C, the enhanced performance of the Mo2C nano-rod could be attributed to its porous structure with small particles as well as its high electrical conductivity. (c) 2014 Elsevier B.V. All rights reserved.
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