CuO/ZnO nanocomposites investigated by X-ray photoelectron and X-ray excited Auger electron spectroscopies (Articolo in rivista)

Type
Label
  • CuO/ZnO nanocomposites investigated by X-ray photoelectron and X-ray excited Auger electron spectroscopies (Articolo in rivista) (literal)
Anno
  • 2011-01-01T00:00:00+01:00 (literal)
Alternative label
  • Q. Simon, D. Barreca, A. Gasparotto (2011)
    CuO/ZnO nanocomposites investigated by X-ray photoelectron and X-ray excited Auger electron spectroscopies
    in Surface science spectra
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Q. Simon, D. Barreca, A. Gasparotto (literal)
Pagina inizio
  • 93 (literal)
Pagina fine
  • 101 (literal)
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  • 17 (literal)
Rivista
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  • 9 (literal)
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  • pubblicazione scientifica (literal)
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  • 1,3: Padova University and INSTM, Department of Chemistry, Via Marzolo, 1, 35131 Padova, Italy 2: CNR-ISTM and INSTM, Department of Chemistry, Padova University, Via Marzolo, 1, 35131 Padova, Italy (literal)
Titolo
  • CuO/ZnO nanocomposites investigated by X-ray photoelectron and X-ray excited Auger electron spectroscopies (literal)
Abstract
  • Supported CuO/ZnO nanocomposites were prepared by a novel bottom-up approach, consisting of: i) deposition of columnar ZnO arrays on Si(100) by Plasma Enhanced-Chemical Vapor Deposition (PE-CVD) using a Zn(II) bis(ketoiminate) precursor; ii) Radio Frequency (RF)-sputtering of Cu in Ar atmospheres. Finally, ex-situ annealing was performed in air at 400 ºC to promote a complete copper oxidation. The CuO/ZnO nanocomposites were characterised by Glancing Incidence X-ray Diffraction (GIXRD), Transmission Electron Microscopy (TEM), Field Emission-Scanning Electron Microscopy (FE-SEM) and Energy Dispersive X-ray Spectroscopy (EDXS), providing important information on their chemical, morphological and structural properties. In this contribution, a detailed investigation of a representative sample by X-ray Photoelectron (XPS) and X-ray Excited Auger Electron (XE-AES) Spectroscopies is presented, with particular attention to the analysis of O 1s, Zn 2p3/2 and Cu 2p core levels, as well as zinc and copper Auger signals. (literal)
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