Restructuring of Palladium Nanoparticles during Oxidation by Molecular Oxygen
Oleg Usoltsev,
Dragos Stoian,
Alina Skorynina
et al.
Abstract:An interplay between Pd and PdO and their spatial distribution inside the particles are relevant for numerous catalytic reactions. Using in situ time‐resolved X‐ray absorption spectroscopy (XAS) supported by theoretical simulations, a mechanistic picture of the structural evolution of 2.3 nm palladium nanoparticles upon their exposure to molecular oxygen is provided. XAS analysis revealed the restructuring of the fcc‐like palladium surface into the 4‐coordinated structure of palladium oxide upon absorption of … Show more
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