Issue 39, 2023

Copper(ii) defect-cubane water oxidation electrocatalysts: from molecular tetramers to oxidic nanostructures

Abstract

We report on the synthesis and spectroscopic evidence for a sequence of structural transformations of a new defect-cubane type copper complex, [Cu4(pyalk)4(OAc)4](ClO4)(HNEt3), which acts as a pre-catalyst for water oxidation. In situ and post-catalytic studies showed that the tetrameric complex undergoes a structural transformation into dimeric and monomeric species, induced by water molecules and carbonate anions, respectively. Further, the observed electrocatalytic water oxidation activity has been confirmed to arise from in situ-generated Cu(II) oxidic nanostructures at the electrode interface.

Graphical abstract: Copper(ii) defect-cubane water oxidation electrocatalysts: from molecular tetramers to oxidic nanostructures

Supplementary files

Article information

Article type
Communication
Submitted
01 Mar 2023
Accepted
11 Apr 2023
First published
24 Apr 2023
This article is Open Access
Creative Commons BY-NC license

Chem. Commun., 2023,59, 5866-5869

Copper(II) defect-cubane water oxidation electrocatalysts: from molecular tetramers to oxidic nanostructures

D. P. Adiyeri Saseendran, J. W. A. Fischer, L. Müller, D. F. Abbott, V. Mougel, G. Jeschke, C. A. Triana and G. R. Patzke, Chem. Commun., 2023, 59, 5866 DOI: 10.1039/D3CC01005H

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