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Substituent Effects in Molecular Ruthenium Water Oxidation Catalysts Based on Amide Ligands
Stockholms universitet, Naturvetenskapliga fakulteten, Institutionen för organisk kemi.
Stockholms universitet, Naturvetenskapliga fakulteten, Institutionen för organisk kemi.
Stockholms universitet, Naturvetenskapliga fakulteten, Institutionen för organisk kemi.
Stockholms universitet, Naturvetenskapliga fakulteten, Institutionen för organisk kemi.
Vise andre og tillknytning
Rekke forfattare: 72017 (engelsk)Inngår i: ChemCatChem, ISSN 1867-3880, E-ISSN 1867-3899, Vol. 9, nr 9, s. 1583-1587Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

The production of clean and sustainable energy is considered as one of the most urgent issues for our society. Mastering the oxidation of water to dioxygen is essential for the production of solar fuels. A study of the influence of the substituents on the catalytic activity of a series of mononuclear Ru complexes (2a-e) based on a tetradentate ligand framework is presented. At neutral pH, using [Ru(bpy)(3)](PF6)(3) (bpy=2,2'-bipyridine) as the terminal oxidant, a good correlation between the turnover frequency (TOF) and the Hammett sigma(meta) parameters was obtained. Additionally, a general pathway for the deactivation of Ru-based catalysts 2a-e during the catalytic oxidation of water through poisoning by carbon monoxide was demonstrated. These results highlight the importance of ligand design for fine-tuning the catalytic activity of water oxidation catalysts.

sted, utgiver, år, opplag, sider
2017. Vol. 9, nr 9, s. 1583-1587
Emneord [en]
homogeneous catalysis, O-O bond formation, oxidation, ruthenium, water splitting
HSV kategori
Identifikatorer
URN: urn:nbn:se:su:diva-144650DOI: 10.1002/cctc.201601382ISI: 000400982900008OAI: oai:DiVA.org:su-144650DiVA, id: diva2:1115947
Tilgjengelig fra: 2017-06-27 Laget: 2017-06-27 Sist oppdatert: 2017-06-27bibliografisk kontrollert

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Abdel-Magied, Ahmed F.Shatskiy, AndreyKärkäs, Markus D.Åkermark, BjörnJohnston, Eric V.
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