Incorporation of Ruthenium Ions into Nanometer-Thick Films of Copper Sulfide by Anodization for Proton-Coupled Electron Transfer Reactions
Prashanth Vishwa,
Manoj Nagaraj,
Selvabarathi Palanivel
et al.
Abstract:Herein, we report a facile anodization-assisted direct fabrication of a ruthenium-ion-incorporated nanostructured copper sulfide thin-film (Ru-Cu x S) cathode for electrocatalytic hydrogen evolution in a protic electrolyte. High-resolution transmission electron microscopy with elemental mapping reveals the ruthenium ions' incorporation and their uniform distribution in the copper sulfide thin film. The Ru-Cu x S exhibits a cathodic overpotential of −121 mV vs the reversible hydrogen electrode (RHE) to attain t… Show more
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