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Issue 54, 2019
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Evidence for tetranuclear bis-μ-oxo cubane species in molecular iridium-based water oxidation catalysts from XAS analysis

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Abstract

The structure of a highly active pyridine-alkoxide iridium water oxidation catalyst (WOC) is examined by X-ray absorption spectroscopy (XAS). A detailed comparison with IrO2 points to a rigid molecular unit of low nuclearity, with the best analysis suggesting a novel tetrameric iridium-oxo cubane as the resting state.

Graphical abstract: Evidence for tetranuclear bis-μ-oxo cubane species in molecular iridium-based water oxidation catalysts from XAS analysis

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Article information


Submitted
14 Mar 2019
Accepted
11 Jun 2019
First published
11 Jun 2019

This article is Open Access

Chem. Commun., 2019,55, 7832-7835
Article type
Communication

Evidence for tetranuclear bis-μ-oxo cubane species in molecular iridium-based water oxidation catalysts from XAS analysis

S. A. Bartlett, E. V. Sackville, E. K. Gibson, V. Celorrio, P. P. Wells, M. Nachtegaal, S. W. Sheehan and U. Hintermair, Chem. Commun., 2019, 55, 7832
DOI: 10.1039/C9CC02088H

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