New Powerful and Oxidatively Rugged Dinuclear Ru Water Oxidation Catalyst: Control of Mechanistic Pathways by Tailored Ligand Design
- Sven Neudeck (1787800)
- Somnath Maji (1492630)
- Isidoro López (1687306)
- Steffen Meyer (434392)
- Franc Meyer (1311270)
- Antoni Llobet (1437808)
Publication date
January 2014
DOIAbstract
A new powerful and oxidatively rugged pyrazolate-based water oxidation catalyst of formula {[Ru<sup>II</sup>(py-SO<sub>3</sub>)<sub>2</sub>(H<sub>2</sub>O)]<sub>2</sub>(μ-Mebbp)}<sup>–</sup>, <b>1</b>(H<sub>2</sub>O)<sub>2</sub><sup>–</sup>, has been prepared and thoroughly characterized spectroscopically and electrochemically. This new catalyst has been conceived based on a specific ligand tailoring design, so that its performance has been systematically improved. It was also demonstrated how subtle ligand modifications cause a change in the O–O bond formation mechanism, thus revealing the close activation energy barriers associated with each pathway
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