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Copper(II) defect-cubane water oxidation electrocatalysts: from molecular tetramers to oxidic nanostructures.
Adiyeri Saseendran, Devi Prasad; Fischer, Jörg W A; Müller, Lea; Abbott, Daniel F; Mougel, Victor; Jeschke, Gunnar; Triana, Carlos A; Patzke, Greta R.
Afiliação
  • Adiyeri Saseendran DP; Department of Chemistry, University of Zurich, Winterthurerstrasse 190, CH-8057 Zurich, Switzerland. greta.patzke@chem.uzh.ch.
  • Fischer JWA; Department of Chemistry and Applied Biosciences, Vladimir-Prelog-Weg 1-5/10, CH-8093 Zurich, Switzerland.
  • Müller L; Department of Chemistry and Applied Biosciences, Vladimir-Prelog-Weg 1-5/10, CH-8093 Zurich, Switzerland.
  • Abbott DF; Department of Chemistry and Applied Biosciences, Vladimir-Prelog-Weg 1-5/10, CH-8093 Zurich, Switzerland.
  • Mougel V; Department of Chemistry and Applied Biosciences, Vladimir-Prelog-Weg 1-5/10, CH-8093 Zurich, Switzerland.
  • Jeschke G; Department of Chemistry and Applied Biosciences, Vladimir-Prelog-Weg 1-5/10, CH-8093 Zurich, Switzerland.
  • Triana CA; Department of Chemistry, University of Zurich, Winterthurerstrasse 190, CH-8057 Zurich, Switzerland. greta.patzke@chem.uzh.ch.
  • Patzke GR; Department of Chemistry, University of Zurich, Winterthurerstrasse 190, CH-8057 Zurich, Switzerland. greta.patzke@chem.uzh.ch.
Chem Commun (Camb) ; 59(39): 5866-5869, 2023 May 11.
Article em En | MEDLINE | ID: mdl-37089062
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.

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE País/Região como assunto: Cuba Idioma: En Revista: Chem Commun (Camb) Assunto da revista: QUIMICA Ano de publicação: 2023 Tipo de documento: Article País de afiliação: Suíça País de publicação: Reino Unido

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE País/Região como assunto: Cuba Idioma: En Revista: Chem Commun (Camb) Assunto da revista: QUIMICA Ano de publicação: 2023 Tipo de documento: Article País de afiliação: Suíça País de publicação: Reino Unido