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Issue 56, 2013
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Cobalt porphyrins as homogeneous catalysts for water oxidation

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Abstract

Three water-soluble cobalt porphyrins have been investigated as water oxidation catalysts via photo-initiation using RuII(bpy)32+/Na2S2O8. The pH dependence of the turnover frequency revealed maximum activity at pH 11. Based on the second order dependence on catalyst concentration for the rate of water oxidation, we suggest a bimolecular radical coupling process as the rate determining step.

Graphical abstract: Cobalt porphyrins as homogeneous catalysts for water oxidation

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Article information


Submitted
24 Apr 2013
Accepted
24 May 2013
First published
24 May 2013

Chem. Commun., 2013,49, 6325-6327
Article type
Communication

Cobalt porphyrins as homogeneous catalysts for water oxidation

T. Nakazono, A. R. Parent and K. Sakai, Chem. Commun., 2013, 49, 6325
DOI: 10.1039/C3CC43031F

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