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Updated: Jul 5, 2026

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Published on: November 11, 2013
A new cell for the study of in situ chemical reactions using X-ray absorption spectroscopy
Alessandro Longo1, Antonella Balerna, Francesco d'Acapito
1ISMN-CNR, Via Ugo La Malfa 153, 90146 Palermo, Italy. alex@pa.ismn.cnr.it
Abstract:
An in situ cell for reductive and oxidative treatments at different temperatures that allows the possibility of recording data as a function of temperature has been designed and constructed for X-ray absorption experiments at the GILDA beamline BM08 of ESRF. The cell is linked to a mass quadrupole spectrometer providing control of the reaction gases and monitoring of the products. The apparatus allows measurements to be performed both in transmission and fluorescence geometry. The cell was tested by studying the CO oxidation reaction promoted by a Pt/ceria-zirconia-supported catalyst. The CO(2) yield is correlated with the structural results confirming the existence of a strong metal-support interaction between the Pt metal clusters and the ceria-zirconia support.
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