Morphology, structure and photophysics of thin films of perylene-3,4,9,10-tetracarboxylic dianhydride

S. Heutz, A. J. Ferguson, Gary Rumbles, T. S. Jones

Research output: Contribution to journalArticle

49 Citations (Scopus)

Abstract

The influence of the growth conditions on the properties of PTCDA thin films deposited by organic molecular beam deposition on glass substrates is presented. Powder X-ray diffraction studies show that only the α polymorph is formed, regardless of the growth conditions. By contrast, the film morphology depends specifically upon the deposition parameters, the observed crystal size increasing with growth temperature or after post-growth annealing. The spectroscopic properties (electronic absorption, fluorescence excitation and emission) are also found to be influenced by heat treatment and these are correlated with the changing crystal size in the PTCDA films. A qualitative model is presented in order to account for the photophysical properties of the films.

Original languageEnglish
Pages (from-to)119-127
Number of pages9
JournalOrganic Electronics: physics, materials, applications
Volume3
Issue number3-4
DOIs
Publication statusPublished - 2002

Fingerprint

Perylene
Thin films
thin films
Crystals
Molecular beams
Growth temperature
Polymorphism
Electronic properties
X ray powder diffraction
Fluorescence
Heat treatment
Annealing
molecular beams
crystals
Glass
heat treatment
Substrates
fluorescence
annealing
glass

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Surfaces, Coatings and Films
  • Condensed Matter Physics
  • Surfaces and Interfaces

Cite this

Morphology, structure and photophysics of thin films of perylene-3,4,9,10-tetracarboxylic dianhydride. / Heutz, S.; Ferguson, A. J.; Rumbles, Gary; Jones, T. S.

In: Organic Electronics: physics, materials, applications, Vol. 3, No. 3-4, 2002, p. 119-127.

Research output: Contribution to journalArticle

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