High temperature postgrowing of Pt-nanocrystallites supported and encapsulated on TiO2(1 1 0) surface

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High temperature postgrowing of Pt nanocrystallites is investigated on TiO2(110)-(1×n) support by scanning tunneling microscopy (STM). It was shown earlier for Rh and Ir that by growing the noble metal clusters at high temperature (1100 K), metal particle-arrays can be fabricated with desired average distances and narrow size-distributions [Surf. Sci. 400 (1998) 281; J. Catal. 182 (1999) 511]. In the case of Pt, Dulub et al. have recently reported an ordered and self-limiting TiO1.1 overlayer grown on top of the supported metal nanoparticles on TiO2(110) [Phys. Rev. Lett. 84 (16) (2000) 3646]. It was shown in this work that the decoration with TiO1.1 overlayer does not hinder the ordered growing of Pt nanocrystallites. The giant noble metal nanoparticles grown in large separation are suitable for further studies on their site selective reactivity and catalytic properties.

Original languageEnglish
Pages (from-to)390-395
Number of pages6
JournalSurface Science
Publication statusPublished - Jun 10 2003
EventProceedings of the 7th International Conference on Nanometer - Malmo, Sweden
Duration: Aug 29 2002Aug 31 2002


  • Catalysis
  • Platinum
  • Scanning tunneling microscopy
  • Scanning tunneling spectroscopies
  • Titanium oxide

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films
  • Materials Chemistry

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