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Keywords:

  • hydroxides;
  • lanthanides;
  • luminescence;
  • oxides;
  • thin films

Abstract

Thumbnail image of graphical abstract

Caught on film: A semitransparent and intensely luminescent monolayer film of oriented Gd2O3:0.05 Eu platelet crystallites is fabricated by annealing the precursor hydroxide film (see scheme). The photoluminescence properties of the as-transformed film are greatly improved over those of the hydroxide film, and are much more pronounced than those of the corresponding Gd2O3:0.05 Eu powder.