Chestnut-like Molybdenum-Doped Nickel Cobaltite Spinel Oxide Nanoparticles Grown on Ni Foam as the Electrocatalyst for the Hydrogen Evolution Reaction
Refah Saad Alkhaldi,
Mohammed Ashraf Gondal,
Mohamed Jaffer Sadiq Mohamed
et al.
Abstract:The 3D NiMo x Co 2−x O 4 (x ≤ 0.06) chestnut-like spinel oxide nanoparticles (CNSPs) grown on Ni foam were effectively prepared hydrothermally. The formation of Ni−Co CNSPs was confirmed by the XRD powder pattern, which exhibited a pure cubic spinel oxide structure without undesired phases. All ratios revealed a broadened peak representing a small crystal size (12.8−17.5 nm) range. The chestnut-like CNSPs were presented by FE-SEM, SEM, TEM, and HR-TEM analysis. The chemical composition of the products was conf… Show more
Co–O–C/CPs synthesized via a solvent-free combustion process facilitated the enhancement of bifunctional activity and solar energy conversion efficiency (1.60 V cell potential).
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