CuO/ZnO Nanocomposites Investigated by X-ray Photoelectron and X-ray Excited Auger Electron Spectroscopies
作者： Quentin Simon , Davide Barreca , Alberto Gasparotto
DOI: 10.1116/11.20111002
关键词:
摘要: Supported CuO/ZnO nanocomposites were prepared by a novel bottom-up approach, consisting of: i) deposition of columnar ZnO arrays on Si(100) Plasma Enhanced-Chemical Vapor Deposition (PE-CVD) using Zn(II) bis(ketoiminate) precursor; ii) Radio Frequency (RF)-sputtering Cu in Ar atmospheres. Finally, ex-situ annealing was performed air at 400 °C to promote complete copper oxidation. The characterised Glancing Incidence X-ray Diffraction (GIXRD), Transmission Electron Microscopy (TEM), Field Emission-Scanning (FE-SEM) and Energy Dispersive Spectroscopy (EDXS), providing important information their chemical, morphological structural properties. In this contribution, detailed investigation representative sample Photoelectron (XPS) Excited Auger (XE-AES) Spectroscopies is presented, with particular attention the analysis O 1s, Zn 2p3/2 2p core levels, as well zinc signals.
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