Formaldehyde Formation on Vanadium Oxide Surfaces V2O3(0001) and V2O5(001): How does the Stable Methoxy Intermediate Form?

Daniel Goebke, Yuriy Romanyshyn, Sebastien Guimond, Jacobus Marinus Sturm, Helmut Kuhlenbeck, Jens Doebler, Ulrike Reinhardt, Maria Veronica Ganduglia-Pirovano, Joachim Sauer, Hans-Joachim Freund

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Abstract

Hydroxy-mediated methoxy formation or stabilization is probably an important process in many methanol adsorption systems. Hydrogen atoms originating from the scission of the methanol O[BOND]H bond react with the substrate and form water. This process may result 1) in the production of additional surface defects as reactive centers for methoxy formation and 2) in the stabilization of methoxy groups by suppression of methanol formation.
Original languageEnglish
Pages (from-to)3695-3698
JournalAngewandte Chemie (international edition)
Volume48
Issue number20
DOIs
Publication statusPublished - 2009
Externally publishedYes

Keywords

  • alcohols
  • dehydrogenation
  • density functional calculations
  • surface chemistry
  • vanadium oxides

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