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Identification of CO adsorption sites in supported Pt catalysts using high-energy-resolution fluorescence detection X-ray spectroscopy

DOI: 10.1021/jp063416t DOI Help

Authors: Olga Safovova (ESRF) , Moniek Tromp (Southampton University) , J A Van Bokhoven (ETH Zentrumm) , Frank M.f. De Groot (Utrecht University) , John Evans (University of Southampton, Diamond Light Source) , Pieter Glatzel (ESRF)
Co-authored by industrial partner: No

Type: Journal Paper
Journal: Journal Of Physical Chemistry B , VOL 110 (33) , PAGES 16162–16164

State: Published (Approved)
Published: August 2006

Abstract: High-energy-resolution fluorescence detection (HERFD) X-ray spectroscopy is presented as a new tool for the identification of the bonding sites of reactants in supported metal catalysts. The type of adsorption site of CO on an alumina-supported platinum catalyst and the orbitals involved in the bonding are identified. Because X-ray absorption spectroscopy (XAS) is element-specific and can be used under high pressures and temperatures, in situ HERFD XAS can be applied to a swathe of catalytic systems, including alloys.

Subject Areas: Chemistry, Physics


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