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  Interaction of Silver with a NO/O2 Mixture:  A Combined X-ray Photoelectron Spectroscopy and Scanning Electron Microscopy Study

Zemlyanov, D. Y., Hornung, A., Weinberg, G., Wild, U., & Schlögl, R. (1998). Interaction of Silver with a NO/O2 Mixture:  A Combined X-ray Photoelectron Spectroscopy and Scanning Electron Microscopy Study. Langmuir, 14(12), 3242-3248. doi:10.1021/la9713255.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0007-5DFA-8 Version Permalink: http://hdl.handle.net/21.11116/0000-0007-5DFB-7
Genre: Journal Article

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 Creators:
Zemlyanov, Dimitri Yu1, Author
Hornung, Alessandra2, Author              
Weinberg, Gisela3, Author              
Wild, Ute3, Author              
Schlögl, Robert3, Author              
Affiliations:
1Boreskov Institute of Catalysis, Pr. Ak. Lavrentieva, Russia , ou_persistent22              
2Physical Chemistry, Fritz Haber Institute, Max Planck Society, ou_634546              
3Inorganic Chemistry, Fritz Haber Institute, Max Planck Society, ou_24023              

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 Abstract: The treatment of a silver polycrystalline foil with a 1:100 NO/O2 mixture at atmospheric pressure and room temperature led to the formation of a AgNO3/Ag2O/Ag “sandwich” in which no sharp boundary between the superimposed layers could be detected. The morphology of the as obtained structure was studied by means of X-ray photoelectron spectroscopy and scanning electron microscopy. The upper layer consisted of AgNO3 crystals of average size between 0.1 and 0.4 μm. It is suggested that silver(I) oxide was the product of the oxidation of metallic silver, whereas AgNO3 resulted from the subsequent reaction of Ag2O with NO2 in the gas phase. The underlying Ag2O layer, which was characterized by a rough surface and a high porosity, could be characterized after uncovering it by selective dissolution of the AgNO3 in water at room temperature.

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Language(s): eng - English
 Dates: 1997-12-031998-05-131998-06-01
 Publication Status: Published in print
 Pages: 7
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1021/la9713255
 Degree: -

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Title: Langmuir
  Abbreviation : Langmuir
Source Genre: Journal
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Publ. Info: Columbus, OH : American Chemical Society
Pages: 7 Volume / Issue: 14 (12) Sequence Number: - Start / End Page: 3242 - 3248 Identifier: ISSN: 0743-7463
CoNE: https://pure.mpg.de/cone/journals/resource/954925541194