Zirconia supported La, Co, oxides and LaCoO3 perovskite: structural characterization and catalytic CO oxidation (Articolo in rivista)

Type
Label
  • Zirconia supported La, Co, oxides and LaCoO3 perovskite: structural characterization and catalytic CO oxidation (Articolo in rivista) (literal)
Anno
  • 2002-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/S1381-1169(01)00422-8 (literal)
Alternative label
  • Colonna S., De Rossi S., Faticanti M., Pettiti I., Porta P. (2002)
    Zirconia supported La, Co, oxides and LaCoO3 perovskite: structural characterization and catalytic CO oxidation
    in Journal of molecular catalysis. A, Chemical (Print); ELSEVIER SCIENCE BV, PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS, AMSTERDAM (Paesi Bassi)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Colonna S., De Rossi S., Faticanti M., Pettiti I., Porta P. (literal)
Pagina inizio
  • 161 (literal)
Pagina fine
  • 168 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 180 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Istituto di Struttura della Materia, CNR, Rome, Italy Centro di Studio, Struttura e Attività Catalitica di Sistemi di Ossidi', CNR, c/o Dipartimento di Chimica, Università degli Studi di Roma, La Sapienza', Rome, Italy (literal)
Titolo
  • Zirconia supported La, Co, oxides and LaCoO3 perovskite: structural characterization and catalytic CO oxidation (literal)
Abstract
  • ZrO2-supported La, Co oxide catalysts with different La, Co loading (2, 6, 8, 12 and 16wt.% as LaCoO3) were prepared by impregnation of tetragonal ZrO2 with equimolar amounts of La and Co citrate precursors and calcination at 1073K. The catalysts were characterized by X-ray diffraction (XRD), X-ray absorption spectroscopy (XAS), and BET specific surface area determination. Catalytic CO oxidation was performed at 298– 800K. XRD revealed the presence of tetragonal zirconia with traces of the monoclinic phase. LaCoO3 perovskite was also detected for loading higher than 6%. XAS experiments suggested that at high loading LaCoO3 and Co3O4 were formed, while at low loading, La, Co oxide species interacting with support, and hard to be structurally defined, prevailed. The catalysis study evidenced that the catalytic activity was due to segregated and highly dispersed cobalt oxide species. (literal)
Editore
Prodotto di
Autore CNR

Incoming links:


Prodotto
Autore CNR di
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#rivistaDi
Editore di
data.CNR.it