Chloride-assisted catalytic water oxidation

descriptionPublicationkeyboard_double_arrow_right Article 01 Jan 2014 English Publisher:Royal Society of Chemistry (RSC)Journal:Chemical Communications, volume 50, page 8,053 (issn: 1359-7345, eissn: 1364-548X,

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Authors: Zuofeng, Chen; Javier J, Concepcion; Na, Song; Thomas J, Meyer;

doi: 10.1039/c4cc04071f

pmid: 24924315

Chloride-assisted catalytic water oxidation

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Abstract

Rates of electrocatalytic water oxidation to oxygen by Ru(II) polypyridyl complexes are enhanced by added NaCl. Observations based on the single-site catalyst [Ru(II)(Mebimpy)(bpy)(OH2)](2+) (Mebimpy is 2,6-bis(1-methylbenzimidazol-2-yl)pyridine; bpy is 2,2'-bipyridine) at pH 7.0 in a phosphate buffer suggest a mechanism involving initial oxidation of the catalyst to Ru(V)(O)(3+) followed by Cl(-) oxidation to HOCl. Once formed, HOCl is oxidized to O2.

Related Organizations

Tongji University
China (People's Republic of)
University of North Carolina at Chapel Hill
United States
Carroll College
United States

Keywords

Oxygen, Chlorides, Molecular Structure, Organometallic Compounds, Water, Oxidation-Reduction, Catalysis, Ruthenium

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