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Keywords:

  • cerium oxide;
  • gold catalysts;
  • hybridization;
  • resonant photoemission spectroscopy
Thumbnail image of graphical abstract

Up shift: 6s–5d hybridization and the up-shift of the 5d band to the Fermi level is demonstrated in catalytically active gold clusters on a cerium oxide nanorod support by using resonant photoemission spectroscopy and density functional theory modeling. These results help to explain the high catalytic activity of this system in CO oxidation.