Interfacial Properties of Gold and Cobalt Oxyhydroxide in Plasmon-Mediated Oxygen Evolution Reaction.

ABSTRACT: Water electrolysis is a green method of storing electrical energy in the chemical bonds of high-energy hydrogen gas (H₂). However, the anodic oxygen evolution reaction (OER) requires a significant kinetic overpotential, limiting the electrolysis rate. Recently, plasmonic gold nanoparticles (Au NPs) have been introduced to improve charge transfer at the interface between the OER electrocatalysts and the electrolyte under light illumination. Despite this, the mechanism by which Au NPs enhance photoassisted electrochemical processes remains poorly understood. To address this, we employed a model system comprising a plasmonic Au electrode and a cobalt (Co)-based electrocatalyst in alkaline electrolytes, studying the plasmon-mediated OER process through (photo)electrochemical and spe

SUBMITTER: Zhen J 

PROVIDER: S-EPMC11744795 | biostudies-literature | 2025 Jan

REPOSITORIES: biostudies-literature