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Keywords:

  • gold;
  • heterogeneous catalysis;
  • nanoparticles;
  • oxidation;
  • solid grinding
Thumbnail image of graphical abstract

Not all that glitters… The activity of supported gold nanoparticles depends on the method used for their preparation. Gold clusters of about 2 nm in diameter were deposited on nonreducible metal oxides and carbon materials by solid grinding of a volatile organogold complex in a ball mill and subsequent calcination (see scheme). Au/ZrO2 and Au/Al2O3 prepared in this way were extremely efficient catalysts for the aerobic oxidation of glucose.