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  Interface reactions of Ag@TiO2 nanocomposite films

Zuo, J., Rao, J., & Eggeler, G. F. (2014). Interface reactions of Ag@TiO2 nanocomposite films. Materials Chemistry and Physics, 145(1-2), 90-98. doi:10.1016/j.matchemphys.2014.01.041.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0001-C0F1-5 Version Permalink: http://hdl.handle.net/21.11116/0000-0001-C0F3-3
Genre: Journal Article

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 Creators:
Zuo, Juan1, 2, Author              
Rao, Jiancun3, 4, Author              
Eggeler, Gunther F.5, Author              
Affiliations:
1Adhesion and Thin Films, Interface Chemistry and Surface Engineering, Max-Planck-Institut für Eisenforschung GmbH, Max Planck Society, ou_1863349              
2School of Materials Science and Engineering, Xiamen University of Technology, Xiamen 361009, China, persistent22              
3Institute for Advanced Ceramics, Department of Materials Science, Harbin Institute of Technology, Harbin 150001, China, persistent22              
4Institut für Werkstoffe, Fakultät für Maschinenbau, Ruhr-Universität Bochum, D-44780 Bochum, Germany, persistent22              
5Institut für Werkstoffe, Ruhr-Universität Bochum, Bochum, Germany, ou_persistent22              

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Free keywords: Atomic force microscopy; Film growth; Interfaces (materials); Nanostructures; Oxides; Photoelectrons; Silver oxides; Sputtering; Thin films; Titanium dioxide; Transmission electron microscopy; X ray diffraction; X ray photoelectron spectroscopy, Ag nanoparticle; Deposition process; Film matrix; Film structure; Interface reactions; Nucleation and growth; Reflection spectra; Sputtering process, Silver
 Abstract: TiO2 films were sputtered on 100-nm-thick Ag layers at various O2 partial pressures to study forming processes at the interface. The interfacial reactions during the deposition process were investigated by means of transmission electron microscopy, X-ray photoelectron spectroscopy, X-ray diffraction, atomic force microscopy and UV-vis reflection spectra. The sputtering process led to formation of Ag nanoparticles surrounded by Ag 2O and TiO2 in the TiO2 film matrix as well as on the surface. The presence of oxygen in the plasma resulted in enrichment of silver oxides on the surface and an intermixing of Ag in the TiO2 matrix. The film structures could be explained based on the interplay among the formation of silver oxide, the nucleation and growth of TiO2, as well as the mobility of silver and silver oxides within the growing TiO2 films. © 2014 Elsevier B.V.

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Language(s): eng - English
 Dates: 2014-05-15
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1016/j.matchemphys.2014.01.041
BibTex Citekey: Zuo201490
 Degree: -

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Title: Materials Chemistry and Physics
Source Genre: Journal
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Publ. Info: Lausanne, Switzerland : Elsevier
Pages: - Volume / Issue: 145 (1-2) Sequence Number: - Start / End Page: 90 - 98 Identifier: ISSN: 0254-0584
CoNE: /journals/resource/954928577762