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Electrocatalytic Hydrogen Evolution with Transition Metal Based Compounds : abstract
Saim Emin, Takwa Chouki, Manel Machreki, 2021, published scientific conference contribution abstract

Abstract: Electrocatalytic water splitting is one of the cleanest and sustainable way to generate hydrogen. Transition metal based electrocatalysts like iron phosphides (Fe2P, FeP), molybdenum diselenides (MoSe2), and tungsten carbides (W2C, WC) have unique advantages including competitive cost compared to platinum, controllable active sites, and electronic structures that could significantly enhance the hydrogen evolution reaction (HER). Here, we present a combination of approaches for preparing catalyst materials. As an elegant technique, colloidal synthesis was used to synthesize Mo and W nanoparticles. Combined with selenization and carbidation approaches at elevated temperature, it allowed to synthesize MoSe2, W2C, and WC thin films. The syntheses of Fe2P and FeP catalyst were achieved in one-stage using triphenylphosphine precursor. The obtained catalysts were applied in electrocatalytic HER studies.
Keywords: iron phosphides molybdenum diselenide tungtsen carbides electrocatalysis hydrogen evolution
Published in RUNG: 06.02.2023; Views: 1218; Downloads: 0
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