Water vapor reduces the effect of Cl-poisoning on CO oxidation over Pt/CeO2heterogeneous catalysts

Research output: Contribution to journalArticlepeer-review

Abstract

The impact of water vapor on the catalytic activities of CO oxidation over Cl-containing Pt/CeO2 was investigated by combining catalytic activity tests, X-ray fluorescence spectroscopy, in-situ Fourier-transform infrared spectroscopy, and lowenergy ion scattering. Water vapor reduced the density of chlorine adsorbates near the Pt-CeO2 interface. The utilization of hydroxyl groups near the cleaner Pt-CeO2 interfaces enhanced the catalytic activity of the Cl-containing catalyst to a level equivalent to that of a Cl-free catalyst under dry conditions.

Original languageEnglish
Pages (from-to)888-891
Number of pages4
JournalChemistry Letters
Volume50
Issue number5
DOIs
Publication statusPublished - May 2021

All Science Journal Classification (ASJC) codes

  • Chemistry(all)

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