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Keywords:

  • ceria;
  • gold;
  • hydrogenation;
  • reaction mechanisms;
  • supported catalyst
Thumbnail image of graphical abstract

Cheers for the support: By varying the support, the hydrogenation of nitrobenzene occurs either through a direct route in the case of Au/TiO2 catalysts and through a condensation route over Au/CeO2 catalysts. Adsorption on the surface of the catalysts is discussed as a possible key factor in determining the route.