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Photocatalytic Water Oxidation by Molecular Assemblies Based on Cobalt Catalysts
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2014 (English)In: ChemSusChem, ISSN 1864-5631, E-ISSN 1864-564X, Vol. 7, no 9, 2453-2456 p.Article in journal (Refereed) Published
Abstract [en]

Chromophore-catalyst molecular assemblies towards visible light-driven water oxidation were synthesized by covalent integration of a light-harvesting complex [Ru(bpy)(3)](2+) (bpy= 2,2'-bipyridine) and a Co4O4 cubane water oxidation catalyst. The two components were assembled either in linear or macrocyclic configurations. In the presence of the sacrificial reagent, the Ru-Co metallocycle exhibits remarkable photocatalytic activity for oxygen evolution, which is one order of magnitude higher than that of a multicomponent system and exceeds that of a linear assembly by a factor of five, offering access to highly active photocatalyst through molecular design.

Place, publisher, year, edition, pages
2014. Vol. 7, no 9, 2453-2456 p.
Keyword [en]
cobalt, cubanes, homogeneous catalysis, photocatalysis, water splitting
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URN: urn:nbn:se:kth:diva-155480DOI: 10.1002/cssc.201402195ISI: 000342813300012OAI: diva2:762500
Swedish Energy AgencyKnut and Alice Wallenberg Foundation

QC 20141112

Available from: 2014-11-12 Created: 2014-11-06 Last updated: 2014-11-12Bibliographically approved

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Sun, Licheng
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