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Keywords:

  • Mesoporous materials;
  • Nanoparticle arrays;
  • Nanoparticles, metal;
  • Photochemistry;
  • Silica, mesoporous
Thumbnail image of graphical abstract

Highly ordered Pt nanodot arrays with cubic symmetry are synthesized by simple immersion of mesoporous silica thin films into a Pt precursor solution followed by photoreduction. Two types of cages of mesoporous thin films have been fully filled with Pt nanoparticles approximately 4 nm in size, and an exceptionally well-ordered cubic lattice array of nanodots has been obtained (see figure).