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Water oxidation by Ni(1,4,8,11-tetraazacyclotetradecane)2+ in the presence of carbonate: New findings and an alternative mechanism

Abstract

Herein, the water-oxidation reaction by Ni(1,4,8,11-tetraazacyclotetradecane)2+ in the presence of carbonate was reinvestigated by scanning electron microscopy, energy dispersive spectrometry, electrochemistry, high-resolution spectroelectrochemical and hydrogen nuclear magnetic resonance spectroscopy methods. These methods showed that the complex was not stable under water-oxidation conditions. The role of nanosized particles or Ni ions on the surface of the electrode for water oxidation was studied and it is proposed that Ni ions or oxide on the surface of the electrode are, at least, one of the candidates as a contributor to the observed catalysis.

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Publication details

The article was received on 07 Jan 2018, accepted on 09 Apr 2018 and first published on 09 Apr 2018


Article type: Paper
DOI: 10.1039/C8DT00068A
Citation: Dalton Trans., 2018, Accepted Manuscript
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    Water oxidation by Ni(1,4,8,11-tetraazacyclotetradecane)2+ in the presence of carbonate: New findings and an alternative mechanism

    M. M. Najafpour and H. Feizi, Dalton Trans., 2018, Accepted Manuscript , DOI: 10.1039/C8DT00068A

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