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Volume 155, 2012
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Light-driven wateroxidation with a molecular tetra-cobalt(iii) cubanecluster

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Abstract

Photoinduced water oxidation to molecular oxygen takes place in systems made of [Ru(bpy)3]2+ (bpy = 2,2′-bipyridine) as the photosensitizer, [Co4O4(O2CMe)4(py)4] (py = pyridine) as the molecular catalyst and Na2S2O8 as the sacrificial electron acceptor. The photochemical quantum yield of the process reaches the outstanding value of 30% and depends on pH and catalyst concentration. Transient absorption spectroscopy experiments aimed to clarify the first events of the photocatalytic process are also reported.

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Article information


Submitted
10 May 2011
Accepted
08 Jun 2011
First published
06 Jul 2011

Faraday Discuss., 2012,155, 177-190
Article type
Paper

Light-driven water oxidation with a molecular tetra-cobalt(III) cubane cluster

G. La Ganga, F. Puntoriero, S. Campagna, I. Bazzan, S. Berardi, M. Bonchio, A. Sartorel, M. Natali and F. Scandola, Faraday Discuss., 2012, 155, 177
DOI: 10.1039/C1FD00093D

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