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Surface and structural characterization of CexZr1-xO2 CEZIRENCAT mixed oxides as potential three-way catalyst promoters

Abstract : The textural and structural properties of high specific surface area (HS) CexZr1-xO2 mixed oxides (CeZrMO) and their modification upon thermal aging have been investigated. Results from BET area determination and complete porosity analysis, as well as high-resolution electron microscopy, XRD, Raman and FTIR spectroscopies are presented. Some relationships between the molar composition of the binary systems and their textural and structural properties are presented. In addition, it has been possible to propose an explanation for structural features of the mixed oxides (solid-solution structures and possible phase segregation) as a function of Ce content, a point of great interest for the knowledge of phase composition and stability of CeZrMO.
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https://hal-emse.ccsd.cnrs.fr/emse-00610096
Contributor : Andrée-Aimée Toucas <>
Submitted on : Thursday, July 21, 2011 - 9:55:50 AM
Last modification on : Wednesday, June 24, 2020 - 4:18:16 PM

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Gerardo Colon, Michèle Pijolat, Françoise Valdivieso, Hilario Vidal, Jan Kaspar, et al.. Surface and structural characterization of CexZr1-xO2 CEZIRENCAT mixed oxides as potential three-way catalyst promoters. Journal of the Chemical Society, Faraday Transactions, Royal Society of Chemistry, 1998, pp.3717-3726. ⟨10.1039/A807680D⟩. ⟨emse-00610096⟩

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