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Platinum deactivation: in situ EXAFS during aqueous alcohol oxidation reaction

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Abstract

With a new set‐up for in situ EXAFS spectroscopy the state of a carbon‐supported platinum catalyst during aqueous alcohol oxidation has been observed. The catalyst deactivation during platinum‐catalysed cyclohexanol oxidation is caused by platinum surface oxide formation. The detected Pt–O co‐ordination at 2.10 Å during exposure to nitrogen‐saturated cyclohexanol solution is different from what is observed for the pure oxidised platinum surface (2.06 Å).

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Author notes

  1. G.B. Marin

    Present address: Laboratorium voor Chemische Reactortechnologie, Eindhoven University of Technology, PO Box 513, 5600 MB, Eindhoven, The Netherlands E-mail:

Authors and Affiliations

  1. Laboratorium voor Chemische Reactortechnologie, Eindhoven University of Technology, PO Box 513, 5600 MB, Eindhoven, The Netherlands E-mail:

    A.P. Markusse, B.F.M. Kuster & D.C. Koningsberger

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  1. A.P. Markusse
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  2. B.F.M. Kuster
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  3. D.C. Koningsberger
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  4. G.B. Marin
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Correspondence to A.P. Markusse.

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Markusse, A., Kuster, B., Koningsberger, D. et al. Platinum deactivation: in situ EXAFS during aqueous alcohol oxidation reaction. Catalysis Letters 55, 141–145 (1998). https://doi.org/10.1023/A:1019007601442

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  • DOI: https://doi.org/10.1023/A:1019007601442

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