Communication

Iridium-EDTA as an Efficient and Readily Available Catalyst for Water Oxidation

  1. Arianna Savini1,
  2. Prof. Gianfranco Bellachioma1,
  3. Prof. Dr. Sandra Bolaño2,
  4. Dr. Luca Rocchigiani1,
  5. Dr. Cristiano Zuccaccia1,
  6. Dr. Daniele Zuccaccia3,
  7. Prof. Dr. Alceo Macchioni1,*

Article first published online: 11 JUL 2012

DOI: 10.1002/cssc.201200067

Issue

ChemSusChem

ChemSusChem

Volume 5, Issue 8, pages 1415–1419, August 2012

Additional Information

How to Cite

Savini, A., Bellachioma, G., Bolaño, S., Rocchigiani, L., Zuccaccia, C., Zuccaccia, D. and Macchioni, A. (2012), Iridium-EDTA as an Efficient and Readily Available Catalyst for Water Oxidation. ChemSusChem, 5: 1415–1419. doi: 10.1002/cssc.201200067

Author Information

  1. 1

    Department of Chemistry, University of Perugia, Via Elce di Sotto 8, I-06123, Perugia (Italy)

  2. 2

    Departamento de Química Inorgánica, Universidade de Vigo, Campus Universitario, E-36310, Vigo (Spain)

  3. 3

    Dipartimento di Chimica, Fisica e Ambiente, Università di Udine, Via Cotonificio 108, I-33100 Udine (Italy)

*Department of Chemistry, University of Perugia, Via Elce di Sotto 8, I-06123, Perugia (Italy)

Publication History

  1. Issue published online: 7 AUG 2012
  2. Article first published online: 11 JUL 2012
  3. Manuscript Revised: 4 APR 2012
  4. Manuscript Received: 26 JAN 2012

Funded by

  • Ministero dell′Istruzione, dell′Università e della Ricerca through PRIN 2009. Grant Number: LR88XR
  • Azione Integrata Italia-Spagna. Grant Number: IT09DF82HE

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Keywords:

  • chelates;
  • homogeneous catalysis;
  • iridium complexes;
  • water oxidation;
  • water splitting
Thumbnail image of graphical abstract

It′s so easy: The readily available and highly water-soluble [IrCl(Hedta)]Na complex is an efficient and robust catalyst for water oxidation to molecular oxygen. The reaction is driven by the reduction of Ce4+ to Ce3+. Its performances (TOF=6.8 min−1 and TON>12 000) are derived by UV/Vis spectroscopic, volumetric and electrochemical measurements, and compare favorably with those of the best catalysts reported so far.

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