Nonaqueous catalytic water oxidation |
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Authors: | Chen Zuofeng Concepcion Javier J Luo Hanlin Hull Jonathan F Paul Amit Meyer Thomas J |
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Affiliation: | Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States. |
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Abstract: | The complex [Ru(Mebimpy)(bpy)(OH(2))](2+) [Mebimpy = 2,6-bis(1-methylbenzimidazol-2-yl)pyridine; bpy = 2,2'-bipyridine] and its 4,4'-(PO(3)H(2)CH(2))(2)bpy derivative on oxide electrodes are water oxidation catalysts in propylene carbonate and 2,2,2-trifluoroethanol (TFE) to which water has been added as a limiting reagent. The rate of water oxidation is greatly enhanced relative to that with water as the solvent and occurs by a pathway that is first-order in H(2)O; an additional pathway that is first-order in acetate appears when TFE is used as the solvent. |
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