CO-induced structural changes of Rh on TiO2 Support

D. A. Buchanan, M. E. Hernandez, F. Solymosi, J. M. White

Research output: Contribution to journalArticle

48 Citations (Scopus)

Abstract

The behavior of Rh supported on TiO2 has been studied as a function of oxidation and reduction temperature. Infrared spectroscopy of adsorbed CO and OH and X-ray photoelectron spectroscopy of Rh demonstrate the strong dependence of chemisorbed CO on the oxidation state of Rh and the importance of OH on TiO2 in controlling the Rh dispersion process. Carbon monoxide exposure induces oxidative disruption of metallic Rh clusters at temperatures as low as 160 K. At temperatures above 473 K, CO exposure leads to reduction of oxidized Rh.

Original languageEnglish
Pages (from-to)456-466
Number of pages11
JournalJournal of Catalysis
Volume125
Issue number2
DOIs
Publication statusPublished - 1990

Fingerprint

Carbon Monoxide
Oxidation
oxidation
Carbon monoxide
Temperature
carbon monoxide
temperature
Infrared spectroscopy
X ray photoelectron spectroscopy
infrared spectroscopy
photoelectron spectroscopy
x rays

ASJC Scopus subject areas

  • Catalysis
  • Process Chemistry and Technology

Cite this

CO-induced structural changes of Rh on TiO2 Support. / Buchanan, D. A.; Hernandez, M. E.; Solymosi, F.; White, J. M.

In: Journal of Catalysis, Vol. 125, No. 2, 1990, p. 456-466.

Research output: Contribution to journalArticle

Buchanan, D. A. ; Hernandez, M. E. ; Solymosi, F. ; White, J. M. / CO-induced structural changes of Rh on TiO2 Support. In: Journal of Catalysis. 1990 ; Vol. 125, No. 2. pp. 456-466.
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