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Keywords:

  • ethanol;
  • gold;
  • nanoparticles;
  • oxidation;
  • supported catalysts
Thumbnail image of graphical abstract

Seeing double: Au/TiO2, in contrast to Au supported on silica and alumina, shows “double-peak” catalytic activity in partial oxidation of ethanol to acetaldehyde by molecular oxygen (see diagram). The additional low-temperature peak (indicated by the arrow) probably corresponds to the specific participation of oxygen generated on Au/TiO2 surface under mild reaction conditions.