Growth and fluorescence properties of perylene nanocrystals produced by ultra-rapid evaporation

Y. Wakayama, T. Mitsui, Tsunenobu Onodera, Hidetoshi Oikawa, H. Nakanishi

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

The growth process of molecular nanocrystals on a solid surface was explored through the application of a vacuum evaporation technique. The combination of ultra rapid evaporation, a patterned intended surface, and a perylene-3,4,9,10-tetracarboxylic-3,4,9,10-dianhydride (PTCDA) buffer layer was found to be effective in producing small perylene nanocrystals (ca. 100 nm) at a high density (13.6 μm-2). The prepared perylene nanocrystals exhibited characteristic fluorescence properties. The fluorescence spectra contained luminescence peaks attributed to a free exciton and self-trapped exciton, which were the result of nanometer-scale size effects.

Original languageEnglish
Pages (from-to)503-508
Number of pages6
JournalChemical Physics Letters
Volume417
Issue number4-6
DOIs
Publication statusPublished - 2006 Jan 10

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

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