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Characterization by scanning tunneling microscopy of silver oxydehydrogenation catalysts

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Abstract

A silicon carbide-supported silver catalyst used in the oxydehydrogenation of ethylene glycol to glyoxal has been studied by scanning tunneling microscopy. The surface morphology depends upon reaction conditions. Silver particles normally sinter into large plates covering the support. However, in the presence of diethylphosphite there is a chemical erosion which results in a tortuous and fractal-like surface.

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Authors and Affiliations

  1. Institut de Recherches sur la Catalyse, CNRS, 69626, Villeurbanne Cedex, France

    P. Gallezot & S. Tretjak

  2. Société Française Hoechst, Centre de Recherches et d'Applications, 93240, Stains, France

    Y. Christidis, G. Mattioda & A. Schouteeten

  3. Center for Catalysis and Surface Science, Northwestern University, 60208, Evanston, IL, USA

    Yip-Wah Chung & T. S. Sriram

Authors
  1. P. Gallezot
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  2. S. Tretjak
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  3. Y. Christidis
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  4. G. Mattioda
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  5. A. Schouteeten
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  6. Yip-Wah Chung
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  7. T. S. Sriram
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Gallezot, P., Tretjak, S., Christidis, Y. et al. Characterization by scanning tunneling microscopy of silver oxydehydrogenation catalysts. Catal Lett 13, 305–312 (1992). https://doi.org/10.1007/BF00765032

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  • DOI: https://doi.org/10.1007/BF00765032

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