Litcius/Paper detail

Beware of beam damage under reaction conditions: X-ray induced photochemical reduction of supported VO<sub><i>x</i></sub> catalysts during <i>in situ</i> XAS experiments

Anna Zabilska, Adam H. Clark, Davide Ferri, Maarten Nachtegaal, Oliver Kröcher, Оlga V. Safonova

2022Physical Chemistry Chemical Physics25 citationsDOIOpen Access PDF

Abstract

X-ray photoreduction of V 5+ in supported vanadia catalysts was detected by XAS during in situ experiments at a synchrotron beamline. Practical strategies helping to recognize and mitigate such problems are suggested.

Topics & Concepts

X-ray absorption spectroscopyAbsorption spectroscopyBeamlineSynchrotronCatalysisChemistryVanadiumOxygenIrradiationSpectral lineHydrogenInert gasPhotochemistryAnalytical Chemistry (journal)Materials scienceBeam (structure)Inorganic chemistryOpticsPhysicsOrganic chemistryAstronomyNuclear physicsCatalysis and Oxidation ReactionsCatalytic Processes in Materials ScienceTransition Metal Oxide Nanomaterials