Real structure - Oxygen mobility relationship in nanocrystalline doped ceria-zirconia fluorite-like solid solutions promoted by Pt

Vladislav Sadykov, N. Mezentseva, V. Muzykantov, D. Efremov, E. Gubanova, N. Sazonova, A. Bobin, E. Paukshtis, A. Ishchenko, V. Voronin, J. Ross, C. Mirodatos, A. Van Veen

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

This work considers effect of type and content of dopant on the real structure, state of surface Pt species and oxygen mobility of nanocrystalline Lnx(Ce0.5Zr0.5)1-xO 2-δ (Ln=La3+, Gd3+, Pr3+/4+) solid solutions prepared by Pechini route. For the reactions of methane selective oxidation and dry reforming into syngas, catalytic activity correlates rather well with either surface (in diluted feeds) or bulk (in realistic feeds) oxygen mobility as well as Pt dispersion controlled by the type and content of a dopant.

Original languageEnglish
Title of host publicationStructure/Property Relationships in Fluorite-Derivative Compounds
PublisherMaterials Research Society
Pages36-41
Number of pages6
ISBN (Print)9781615677627
DOIs
Publication statusPublished - 2008
Event2008 MRS Fall Meeting - Boston, MA, United States
Duration: 1 Dec 20085 Dec 2008

Publication series

NameMaterials Research Society Symposium Proceedings
Volume1122
ISSN (Print)0272-9172

Conference

Conference2008 MRS Fall Meeting
Country/TerritoryUnited States
CityBoston, MA
Period1/12/085/12/08

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