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Relationships between Structural/Textural Properties and Redox Behavior in Ce0.6Zr0.4O2 Mixed Oxides

FORNASIERO, Paolo
•
FONDA E.
•
DI MONTE, ROBERTA
altro
GRAZIANI, MAURO
1999
  • journal article

Periodico
JOURNAL OF CATALYSIS
Abstract
The redox behavior and the structural properties of Ce0.6Zr0.4O2 mixed oxides of high surface area and dense ceramic-type materials are compared. It is shown that due to the insertion of ZrO2 into the CeO2 lattice the oxygen sublattice becomes significantly distorted: Zr-O coordination of the type 5 + 2 and 4 + 2 is found in the former and latter samples, respectively. The nature of these distortions is correlated with the origin of the sample and it appears also to be related to the particle size of the Ce0.6Zr0.4O2 mixed oxide. Noticeably, the reduction behavior of these samples as investigated by the temperature-programmed reduction method appears correlated with their structural properties.
DOI
10.1006/jcat.1999.2589
WOS
WOS:000083018400018
Archivio
http://hdl.handle.net/11368/1695752
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-0033216333
Diritti
metadata only access
Soggetti
  • ceria-zirconia mixed ...

  • redox propertie

  • Oxygen storage capaci...

Scopus© citazioni
113
Data di acquisizione
Jun 14, 2022
Vedi dettagli
Web of Science© citazioni
111
Data di acquisizione
Jan 30, 2024
Visualizzazioni
2
Data di acquisizione
Apr 19, 2024
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