THERMOANALYTICAL INVESTIGATION ON THE FORMATION OF IRO2-BASED MIXED-OXIDE COATINGS (Articolo in rivista)

Type
Label
  • THERMOANALYTICAL INVESTIGATION ON THE FORMATION OF IRO2-BASED MIXED-OXIDE COATINGS (Articolo in rivista) (literal)
Anno
  • 1993-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1007/BF00721953 (literal)
Alternative label
  • J. KRISTOF, J. LISZI, P. SZABO, A. BARBIERI, A. DE BATTISTI (1993)
    THERMOANALYTICAL INVESTIGATION ON THE FORMATION OF IRO2-BASED MIXED-OXIDE COATINGS
    in Journal of Applied Electrochemistry
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • J. KRISTOF, J. LISZI, P. SZABO, A. BARBIERI, A. DE BATTISTI (literal)
Pagina inizio
  • 615 (literal)
Pagina fine
  • 624 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 23 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 10 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 6 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Hungarian Academy of Sciences; Consiglio Nazionale delle Ricerche (CNR); University of Ferrara (literal)
Titolo
  • THERMOANALYTICAL INVESTIGATION ON THE FORMATION OF IRO2-BASED MIXED-OXIDE COATINGS (literal)
Abstract
  • The formation reactions of IrO2/TiO2 mixed oxide films supported on titanium metal plate were followed by thermoanalytical (simultaneous TGA, DTG, DTA) and combined thermoanalytical-mass spectrometric (TGA-MS) techniques. The electrochemical characterization of the fired coatings was made by cyclic voltammetry. The thermal decomposition of the titanium precursor salt, titanium diisopropoxide bis-2,4-pentanedionate, shows a major change in the presence of hydrated iridium (III) chloride. Due to the catalytic effect of the added noble metal, an almost complete conversion of the organic components of the precursor mixture to CO2 and H2O is observed in the combustion stage. Chlorine, from thermal decomposition of the iridium salt, is produced in a separate stage at higher temperatures, indicating that a sequence of steps occurs prior to the oxide formation. For iridium chloride alone a complexation between the metal ion and the solvent (isopropanol) is observed, leading eventually to H2O and CO2 production (combustion step) between 300 and 500-degrees-C. The cyclic voltammetry results indicate that the features of the precursor reaction affect the charge storage capacity of the oxide films. (literal)
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Autore CNR

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