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Facile synthesis of nanostructured molybdenum carbide/nitrogen-doped CNT-RGO composite via a modified urea glass route for efficient hydrogen evolution
- Author(s)
- Lee, Geon Hee, Lee, Min Hee, Kim, Youngkwon, Lim, Hyung-Kyu, Youn, Duck Hyun
- Issued Date
- 2019-10
- Citation
- JOURNAL OF ALLOYS AND COMPOUNDS, v.805, pp.113 - 119
- Abstract
- Homogeneously dispersed Mo2C nanoparticles onto nitrogen-doped carbon nanotube - reduced graphene oxide support (Mo2C/CNT-RGO) were prepared by a modified urea glass route. Simply heating an ethanol slurry of MoCl5, urea, CNT, and graphene oxide at 750 °C under nitrogen atmosphere uniformly distributed 8 nm Mo2C nanoparticles in the nitrogen-doped CNT-RGO support. The resultant Mo2C/CNT-RGO exhibited markedly improved electrochemical performance for hydrogen evolution reaction (HER) compared to similarly prepared Mo2C/CNT, Mo2C/RGO, and bare Mo2C. Enhanced Mo2C/CNT-RGO performance could originate from the synergy between Mo2C nanoparticles with high HER activity and N-doped CNT-RGO support providing large surface area and high electrical conductivity.
- Publisher
- Elsevier Ltd
- ISSN
- 0925-8388
- Keyword (Author)
- Carbon nanotube, Electrochemical water splitting, Hydrogen evolution reaction, Molybdenum carbide, Reduced graphene oxide
- Keyword
- OXYGEN REDUCTION, GRAPHENE SHEETS, CARBON, ELECTROCATALYSTS, NANOPARTICLES, MO2C, CARBIDE, NANOSHEETS, CATALYST, NANOTUBES
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