Co3O4-ZnO Nanocomposites: from Plasma Synthesis to Gas Sensing Applications (Articolo in rivista)

Type
Label
  • Co3O4-ZnO Nanocomposites: from Plasma Synthesis to Gas Sensing Applications (Articolo in rivista) (literal)
Anno
  • 2012-01-01T00:00:00+01:00 (literal)
Alternative label
  • D. Bekermann, A. Gasparotto, D. Barreca, C. Maccato, E. Comini, C. Sada, G. Sberveglieri, A. Devi, R.A. Fischer (2012)
    Co3O4-ZnO Nanocomposites: from Plasma Synthesis to Gas Sensing Applications
    in ACS applied materials & interfaces (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • D. Bekermann, A. Gasparotto, D. Barreca, C. Maccato, E. Comini, C. Sada, G. Sberveglieri, A. Devi, R.A. Fischer (literal)
Pagina inizio
  • 928 (literal)
Pagina fine
  • 934 (literal)
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  • 4 (literal)
Rivista
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  • 7 (literal)
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  • pubblicazione scientifica (literal)
Note
  • ISI Web of Science (WOS) (literal)
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  • 1,2,4: Department of Chemistry, Padova University and INSTM, 35131 Padova, Italy 3: CNR-ISTM and INSTM, Department of Chemistry, Padova University, 35131 Padova, Italy 5,7: CNR-IDASC, SENSOR Lab, Department of Chemistry and Physics, Brescia University, 25133 Brescia, Italy 6: Department of Physics and CNISM, Padova University, 35131 Padova, Italy 8,9: Inorganic Materials Chemistry Group, Lehrstuhl fur Anorganische Chemie II, Ruhr-University Bochum, 44780 Bochum, Germany (literal)
Titolo
  • Co3O4-ZnO Nanocomposites: from Plasma Synthesis to Gas Sensing Applications (literal)
Abstract
  • Herein, we describe the design, fabrication and gas sensing tests of p-Co3O4/n-ZnO nanocomposites. Specifically, arrays of ?001? oriented ZnO nanoparticles were grown on alumina substrates by plasma enhanced-chemical vapor deposition (PECVD) and used as templates for the subsequent PECVD of Co3O4 nanograins. Structural, morphological and compositional analyses evidenced the successful formation of pure and high-area nanocomposites with a tailored overdispersion of Co3O4 particles on ZnO and an intimate contact between the two oxides. Preliminary functional tests for the detection of flammable/toxic analytes (CH3COCH3, CH3CH2OH, NO2) indicated promising sensing responses and the possibility of discriminating between reducing and oxidizing species as a function of the operating temperature. (literal)
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