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Photo‐active Cobalt Cubane Model of an Oxygen‐Evolving Catalyst
Author(s) -
Symes Mark D.,
Lutterman Daniel A.,
Teets Thomas S.,
Anderson Bryce L.,
Breen John J.,
Nocera Daniel G.
Publication year - 2013
Publication title -
chemsuschem
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.412
H-Index - 157
eISSN - 1864-564X
pISSN - 1864-5631
DOI - 10.1002/cssc.201200682
Subject(s) - cobalt , cubane , catalysis , covalent bond , quenching (fluorescence) , chemistry , adduct , electrocatalyst , oxygen , photochemistry , crystallography , inorganic chemistry , materials science , electrochemistry , organic chemistry , crystal structure , fluorescence , physics , electrode , quantum mechanics
A dyad complex has been constructed as a soluble molecular model of a heterogeneous cobalt‐based oxygen‐evolving catalyst (Co‐OEC). To this end, the Co 4 O 4 core of a cobalt‐oxo cubane was covalently appended to Re I photosensitisers. The resulting adduct was characterised both in the solid state (by X‐ray diffraction) and in solution using a variety of techniques. In particular, the covalent attachment of the Re I moieties to the Co 4 O 4 core promotes emission quenching of the Re I photocentres, with implications for the energy and electron transduction process of Co‐OEC‐like catalysts.
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