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- Title
Water Oxidation Catalyzed by a Dinuclear Cobalt-Polypyridine Complex.
- Authors
Wang, Hong‐Yan; Mijangos, Edgar; Ott, Sascha; Thapper, Anders
- Abstract
The dinuclear Co complex [(TPA)Co(μ-OH)(μ-O2)Co(TPA)](ClO4)3 ( 1, TPA=tris(2-pyridylmethyl)amine) catalyzes the oxidation of water. In the presence of [Ru(bpy)3]2+ and S2O82−, photoinduced oxygen evolution can be observed with a turnover frequency (TOF) of 1.4±0.1 mol(O2) mol( 1)−1 s−1 and a maximal turnover number (TON) of 58±5 mol(O2) mol( 1)−1. The complex is shown to act as a molecular and homogeneous catalyst and a mechanism is proposed based on the combination of EPR data and light-driven O2 evolution kinetics.
- Subjects
AMINES; CATALYSIS; OXIDATION; POLYPYRIDINES; COBALT
- Publication
Angewandte Chemie International Edition, 2014, Vol 53, Issue 52, p14499
- ISSN
1433-7851
- Publication type
Article
- DOI
10.1002/anie.201406540