Structural transformations of zinc oxide layers on Pt(111)

Bo Hong Liu, Martin E. McBriarty, Michael J. Bedzyk, Shamil Shaikhutdinov*, Hans Joachim Freund

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

31 Scopus citations

Abstract

The morphology of ultrathin zinc oxide films grown on Pt(111) was studied as a function of preparation and exposure conditions. The results show that submonolayer films exhibit a large variety of structures that may transform into each other depending on ambient conditions. The transformations are accompanied by substantial mass transport across the surface even at room temperature, indicating the presence and high diffusivity of migrating ZnOx species. Comparison with other metal-supported ZnO films shows that the metal substrate may play a role in such transformations. The structural diversity of ultrathin ZnO may be responsible for the continuing controversy over the role of ZnO in the catalytic performance of ZnO/metal systems.

Original languageEnglish (US)
Pages (from-to)28725-28729
Number of pages5
JournalJournal of Physical Chemistry C
Volume118
Issue number49
DOIs
StatePublished - Dec 11 2014

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Energy(all)
  • Physical and Theoretical Chemistry
  • Surfaces, Coatings and Films

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