A Co4O4 “Cubane” Water Oxidation Catalyst Inspired by Photosynthesis
Journal of the American Chemical Society2011Vol. 133(30), pp. 11446–11449
Citations Over TimeTop 1% of 2011 papers
Abstract
Herein we describe the molecular Co(4)O(4) cubane complex Co(4)O(4)(OAc)(4)(py)(4) (1), which catalyzes efficient water oxidizing activity when powered by a standard photochemical oxidation source or electrochemical oxidation. The pH dependence of catalysis, the turnover frequency, and in situ monitoring of catalytic species have revealed the intrinsic capabilities of this core type. The catalytic activity of complex 1 and analogous Mn(4)O(4) cubane complexes is attributed to the cubical core topology, which is analogous to that of nature's water oxidation catalyst, a cubical CaMn(4)O(5) cluster.
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