Title: Front Cover: Stability and Reversible Oxidation of Sub-Nanometric Cu5 Metal Clusters: Integrated Experimental Study and Theoretical Modeling
Authors: David Buceta, Shahana Huseyinova, Miguel Cuerva, Héctor Lozano, Lisandro J. Giovanetti, José M. Ramallo-López, Patricia López-Caballero, Alexandre Zanchet, Alexander O. Mitrushchenkov, Andreas W. Hauser, Giampaolo Barone, Cristián Huck-Iriart, Carlos Escudero, Juan Carlos Hernández-Garrido, José Juan Calvino, Miguel López-Haro, María Pilar de Lara-Castells, Félix G. Requejo, M. Arturo López-Quintela
DOI: https://doi.org/10.1002/chem.202302209
Date: 18/07/2023
Working Group: WG1 and WG3
Grant Period: GP1
Grant Period Goal (number): 1.4
Covered deliverables from the MoU (number): 3.1.1,3.4.2,3.5.3,3.6.4
Countries involved: Spain, France, Austria, Argentina
Number of female/young/ITC coauthors: 2/1/0
Bare clusters of five Cu atoms, synthesized electrochemically, display remarkable oxidation stability on highly oriented pyrolytic graphite. They exhibit reversible O2 adsorption, transitioning between various Cu oxidation states with changes in temperature and O2 pressure. In-situ XPS and XANES spectroscopy experiments, along with theoretical characterizations of Cu5–(O2)n complexes, provide direct evidence of the Cu5 clusters’ O2 stability. More information can be found in the Research Article by M. P. de Lara-Castells, F. G. Requejo, M. A. López-Quintela and co-workers (DOI: 10.1002/chem.202301517).
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