Journal
JOURNAL OF CATALYSIS
Volume 306, Issue -, Pages 129-132Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jcat.2013.06.023
Keywords
Photochemistry; Homogeneous catalysis; Water oxidation; Ruthenium; Quantum yield
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Funding
- Swedish Energy Agency
- China Scholarship Council (CSC)
- National Natural Science Foundation of China [21120102036]
- National Basic Research Program of China [2009CB220009]
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A series of mononuclear ruthenium water oxidation catalysts (WOCs) [Ru(bda)L-2] (H(2)bda = 2,2'-bipyridine-6,6'-dicarboxylic acid; L = N-cyclic aromatic ligands) were investigated in three-component light-driven water oxidation systems composed of photosensitizers, a sacrificial electron acceptor, and WOCs. A high turnover number of 579 for water oxidation was achieved in the homogeneous system using complex 4 ([Ru(bda)(4-Br-pyridine)(2)]) as the WOC, and a high quantum efficiency of 17% was found which is a new record for visible light-driven water oxidation in homogeneous systems. (C) 2013 Elsevier Inc. All rights reserved.
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