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ChemSusChem. 2013 Jan;6(1):65-9. doi: 10.1002/cssc.201200682. Epub 2013 Jan 3.

Photo-active cobalt cubane model of an oxygen-evolving catalyst.

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1
Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139, USA.

Abstract

A dyad complex has been constructed as a soluble molecular model of a heterogeneous cobalt-based oxygen-evolving catalyst (Co-OEC). To this end, the Co(4)O(4) core of a cobalt-oxo cubane was covalently appended to Re(I) photosensitisers. The resulting adduct was characterised both in the solid state (by X-ray diffraction) and in solution using a variety of techniques. In particular, the covalent attachment of the Re(I) moieties to the Co(4)O(4) core promotes emission quenching of the Re(I) photocentres, with implications for the energy and electron transduction process of Co-OEC-like catalysts.

PMID:
23288784
DOI:
10.1002/cssc.201200682
[Indexed for MEDLINE]
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