Mechanism of water oxidation by single-site ruthenium complex catalysts

Javier J. Concepcion, Ming Kang Tsai, James T. Muckerman, Thomas J. Meyer

Research output: Contribution to journalArticle

365 Citations (Scopus)

Abstract

The mechanism of Ce(IV) water oxidation catalyzed by [Ru(tpy)(bpm)(OH 2)]2+ (tpy ) 2,2′:6′,2″-terpyridine; bpm ) 2,2′-bipyrimidine) and related single-site catalysts has been determined by a combination of mixing and stopped-flow experiments with spectrophotometric monitoring. The mechanism features O - O coupling by water attack on RuVdO3+ and three peroxidic intermediates that have been characterized by a combination of spectroscopy and DFT calculations.

Original languageEnglish
Pages (from-to)1545-1557
Number of pages13
JournalJournal of the American Chemical Society
Volume132
Issue number5
DOIs
Publication statusPublished - Feb 10 2010

ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)
  • Biochemistry
  • Colloid and Surface Chemistry

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