Photocatalytic setup for in situ and operando ambient-pressure X-ray photoelectron spectroscopy at MAX IV Laboratory

Photocatalytic setup for in situ and operando ambient-pressure X-ray photoelectron spectroscopy at MAX IV Laboratory

http://urn.fi/urn:nbn:fi-fe2023081696905

Teksti

Klyushin, A. (Alexander) ; Ghosalya, M. (Manoj) ; Kokkonen, E. (Esko) ; Eads, C. (Calley) ; Jones, R. (Rosemary) ; Nalajala, N. (Naresh) ; Gopinath, C. S. (Chinnakonda S.) ; Urpelainen, S. (Samuli)

International Union of Crystallography

Abstract

The Ambient-Pressure X-ray Photoelectron Spectroscopy (APXPS) endstation at the SPECIES beamline at MAX IV Laboratory has been improved. The latest upgrades help in performing photo-assisted experiments under operando conditions in the mbar pressure range using gas and vapour mixtures whilst also reducing beam damage to the sample caused by X-ray irradiation. This article reports on endstation upgrades for APXPS and examples of scientific cases of in situ photocatalysis, photoreduction and photo-assisted atomic layer deposition (photo-ALD).

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APXPS