A supramolecular ruthenium macrocycle with high catalytic activity for water oxidation that mechanistically mimics photosystem II
Nature Chemistry. doi:10.1038/nchem.2503
Authors: Marcus Schulze, Valentin Kunz, Peter D. Frischmann & Frank Würthner
http://www.nature.com/nchem/journal/vaop/ncurrent/full/nchem.2503.html
http://www.nature.com/nchem/journal/vaop/ncurrent/pdf/nchem.2503.pdf
Designing improved catalysts is predicated on understanding how they work. Now, by positioning three ruthenium centres in a macrocyclic framework, a remarkable acceleration of catalytic water oxidation has been achieved. Detailed mechanistic studies revealed that the catalyst operates through the ‘water nucleophilic attack’ pathway—similar to the natural oxygen-evolving cluster of photosystem II.
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