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|Title:||Multi-Electron-Transfer Catalysts Needed for Artificial Photosynthesis|
|Keywords:||catalytic, kinetics, oxidation|
|Publisher:||MRS Fall Meeting|
|Abstract:||We report a study on catalytic water oxidation by cobalt in oxygen ligand environments because such systems are as promising as any in the water oxidation component of solar fuel production. We have re-examined the catalytic activity of Co(II) in aqueous solution using either [Ru(bpy)3]3+ as a stoichiometric oxidant or in visible-light-driven reactions with persulfate as a sacrificial electron acceptor. In both systems a distinctive induction period is observed. A simple kinetic model is proposed that describes the experimental data well. The presence of an induction period is explained by relatively slow formation of the true catalyst from aquacobalt(II).|
|Description:||Journal: 2011 MRS Fall Meeting Manuscript ID: Draft Manuscript Type: Symposium E Date Submitted by the Author: n/a Complete List of Authors: Vickers, James; Emory University, Chemistry Lv, Hongjin; Emory University, Chemistry Zhuk, Petro; National Aviation University, Geletii, Yurii; Emory University, Chemistry Hill, Craig; Emory University, Chemistry Keywords: catalytic, kinetics, oxidation|
|Appears in Collections:||Наукові праці співробітників НАУ (проводиться премодерація)|
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