Abstract
Carbon-covered tungsten carbide nanoparticles(cc-WCNPs) were prepared via a one-step solid-state reaction between W(CO)6 and triphenylamine at 850 °C under a sealed Ar atmosphere. As novel electrocatalysts for the hydrogen evolution reaction(HER), cc-WCNPs exhibit an onset potential of–0.14 V vs. reversible hydrogen electrode(RHE) and a Tafel slope of 64.6 mV/dec in a 0.5 mol/L H2SO4 solution. Additionally, these cc-WCNPs catalysts also show excellent electrocatalytic stability after 1000 cycles.
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Supported by the National Natural Science Foundation of China(No.21273097).
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Zhang, X., Zhong, X., Yang, Z. et al. Carbon-covered tungsten carbide nanoparticles: Solid-state synthesis and application as stable electrocatalysts for the hydrogen evolution reaction. Chem. Res. Chin. Univ. 32, 1016–1018 (2016). https://doi.org/10.1007/s40242-016-6107-5
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DOI: https://doi.org/10.1007/s40242-016-6107-5