Basic evidence of the molecular dispersion of MnCeOx catalysts synthesized via a novel \"redox-precipitation\" route (Articolo in rivista)

Type
Label
  • Basic evidence of the molecular dispersion of MnCeOx catalysts synthesized via a novel \"redox-precipitation\" route (Articolo in rivista) (literal)
Anno
  • 2007-01-01T00:00:00+01:00 (literal)
Alternative label
  • F. Arena; G. Trunfio; J. Negro; B. Fazio; L. Spadaro (2007)
    Basic evidence of the molecular dispersion of MnCeOx catalysts synthesized via a novel "redox-precipitation" route
    in Chemistry of materials
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • F. Arena; G. Trunfio; J. Negro; B. Fazio; L. Spadaro (literal)
Pagina inizio
  • 2269 (literal)
Pagina fine
  • 2276 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 19 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1) Dipartimento di Chimica Industriale e Ingegneria dei Materiali, Università degli Studi di Messina, Salita Sperone 31, I-98166 S. Agata (Messina), ITALY. 2) Istituto CNR-ITAE “Nicola Giordano”, Salita S. Lucia 5, I-98126 S. Lucia (Messina), ITALY. 3) Istituto Processi Chimico-Fisici del CNR (CNR-IPCF) di Messina, Salita Sperone Contrada Papardo, I-98158 Faro Superiore (Messina), ITALY. (literal)
Titolo
  • Basic evidence of the molecular dispersion of MnCeOx catalysts synthesized via a novel \"redox-precipitation\" route (literal)
Abstract
  • A novel synthesis route driving redox-precipitation reactions among MnVII, CeIII, and MnII precursors in basic aqueous solution yields MnCeOx catalysts (Mnat/Ceat, 0.33-2.0) with a (quasi)molecular dispersion of the active phase and enhanced textural properties in comparison to the conventional coprecipitation method. The basic characteristics of the redox-precipitation process leading to a solid architecture missing a substantial “long-range” crystalline order are discussed. With an excellent reproducibility and irrespective of the Mnat/Ceat ratio, the redox-precipitation method also ensures unchanged textural, structural, and chemical properties of the MnCeOx catalysts. As a much improved dispersion of the active phase, the redox-precipitation route greatly promotes the redox behavior and the surface affinity toward gas-phase oxygen of the MnCeOx system. (literal)
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