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Chemical and Photochemical Water Oxidation Mediated by an Efficient Single-Site Ruthenium Catalyst
Stockholm University, Faculty of Science, Department of Organic Chemistry.
Stockholm University, Faculty of Science, Department of Organic Chemistry.
Stockholm University, Faculty of Science, Department of Organic Chemistry.
Stockholm University, Faculty of Science, Department of Organic Chemistry.
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2016 (English)In: ChemSusChem, ISSN 1864-5631, E-ISSN 1864-564X, Vol. 9, no 24, p. 3448-3456Article in journal (Refereed) Published
Abstract [en]

Water oxidation is a fundamental step in artificial photosynthesis for solar fuels production. In this study, we report a single-site Ru-based water oxidation catalyst, housing a dicarboxylate-benzimidazole ligand, that mediates both chemical and light-driven oxidation of water efficiently under neutral conditions. The importance of the incorporation of the negatively charged ligand framework is manifested in the low redox potentials of the developed complex, which allows water oxidation to be driven by the mild one-electron oxidant [Ru(bpy)(3)](3+) (bpy = 2,2'-bipyridine). Furthermore, combined experimental and DFT studies provide insight into the mechanistic details of the catalytic cycle.

Place, publisher, year, edition, pages
2016. Vol. 9, no 24, p. 3448-3456
Keyword [en]
electrochemistry, homogeneous catalysis, photochemistry, ruthenium, water oxidation, GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY
National Category
Organic Chemistry
Identifiers
URN: urn:nbn:se:su:diva-141313DOI: 10.1002/cssc.201601171ISI: 000394571500013PubMedID: 27966290OAI: oai:DiVA.org:su-141313DiVA, id: diva2:1086634
Funder
Swedish Research CouncilKnut and Alice Wallenberg FoundationCarl Tryggers foundation
Available from: 2017-04-03 Created: 2017-04-03 Last updated: 2017-06-27Bibliographically approved

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Abdel-Magied, Ahmed F.Shatskiy, AndreyLiao, Rong-ZhenLaine, Tanja M.Siegbahn, Per E. M.Kärkäs, Markus D.Åkermark, BjornJohnston, Eric V.
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