Structural evolution after oxidative pretreatment and CO oxidation of Au nanoclusters with different ligand shell composition: a view on the Au core

Vera Truttmann, Florian Schrenk, Carlo Marini, Mireia Palma, Maricruz Sanchez-Sanchez, Christoph Rameshan, Giovanni Agostini, Noelia Barrabés

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The reactivity of supported monolayer protected Au nanoclusters is directly affected by their structural dynamics under pretreatment and reaction conditions. The effect of different types of ligands of Au clusters supported on CeO2 on their core structure evolution, under oxidative pretreatment and CO oxidation reaction, was investigated. X-ray absorption and X-ray photoelectron spectroscopy studies revealed that the clusters evolve to a similar core structure above 250 °C in all the cases, indicating the active role of the ligand–support interaction in the reaction.
Original languageEnglish
Pages (from-to)3622-3628
Number of pages7
JournalPhysical Chemistry Chemical Physics
Issue number5
Publication statusPublished - 5 Jan 2023

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