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J Am Chem Soc. 2009 Mar 25;131(11):3838-9. doi: 10.1021/ja900023k.

A self-healing oxygen-evolving catalyst.

Author information

1
Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, USA.

Abstract

A cobalt-phosphate water-oxidizing catalyst forms from the oxidation of Co(2+) to Co(3+) in the presence of phosphate. We have employed radioactive (57)Co and (32)P isotopes to probe the dynamics of this catalyst during water-oxidation catalysis. We show that the catalyst is self-healing and that phosphate is the crucial factor responsible for repair.

PMID:
19249834
DOI:
10.1021/ja900023k

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