A new cell for the study of in situ chemical reactions using X-ray absorption spectroscopy

Antonino Martorana, Francesco Giannici, Fabio D'Anca, Antonella Balerna, Antonino Martorana, Francesco D'Acapito, Alessandro Longo, Leonarda F. Liotta, Giuseppe Pantaleo

Risultato della ricerca: Articlepeer review

14 Citazioni (Scopus)

Abstract

An in situ cell for reductive and oxidative treatments at different temperatures that allowsthe 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 transmissionand fluorescence geometry. The cell was tested by studying the CO oxidation reaction promoted by a Pt/ceri-zirconia supported catalyst. The CO2 yield is correlated with the structural results confirming the existence of a strong metal-support interaction between the Pt metal cluster and the ceria-zirconia support.
Lingua originaleEnglish
pagine (da-a)499-505
Numero di pagine7
RivistaJournal of Synchrotron Radiation
Volume12
Stato di pubblicazionePublished - 2005

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics
  • Physics and Astronomy (miscellaneous)
  • Radiation
  • Nuclear and High Energy Physics
  • Instrumentation

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