Impacts of ruthenium valence state on the electrocatalytic activity of ruthenium ion-complexed graphitic carbon nitride/reduced graphene oxide nanosheets towards hydrogen evolution reaction

Dingjie Pan,Qiming Liu,Forrest Nichols,Rene Mercado,Han-Lin Kuo,Jennifer Q. Lu,Frank Bridges,Shaowei Chen

Journal of Colloid and Interface Science（2023）

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摘要

•Ruthenium atomically dispersed within C3N4/rGO nanosheets.•Valence states manipulated by chemical reduction/oxidation.•HER activity increases/decreases with electron-enrichment/depletion of Ru centers.•Contribution of Ru 3d electrons to the density of states near the Fermi level.

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关键词

Ruthenium,Carbon nitride,Graphene nanosheet,Hydrogen evolution reaction,Valence state

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