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Issue 55, 2016
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Characterization of a trinuclear ruthenium species in catalytic water oxidation by Ru(bda)(pic)2 in neutral media

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Abstract

A RuIII–O–RuIV–O–RuIII type trinuclear species was crystallographically characterized in water oxidation by Ru(bda)(pic)2 (H2bda = 2,2′-bipyridine-6,6′-dicarboxylic acid; pic = 4-picoline) under neutral conditions. The formation of a ruthenium trimer due to the reaction of RuIV[double bond, length as m-dash]O with RuII–OH2 was fully confirmed by chemical, electrochemical and photochemical methods. Since the oxidation of the trimer was proposed to lead to catalyst decomposition, the photocatalytic water oxidation activity was rationally improved by the suppression of the formation of the trimer.

Graphical abstract: Characterization of a trinuclear ruthenium species in catalytic water oxidation by Ru(bda)(pic)2 in neutral media

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Supplementary files

Article information


Submitted
12 May 2016
Accepted
14 Jun 2016
First published
14 Jun 2016

Chem. Commun., 2016,52, 8619-8622
Article type
Communication

Characterization of a trinuclear ruthenium species in catalytic water oxidation by Ru(bda)(pic)2 in neutral media

B. Zhang, F. Li, R. Zhang, C. Ma, L. Chen and L. Sun, Chem. Commun., 2016, 52, 8619
DOI: 10.1039/C6CC04003A

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