Electronic properties of the 2, 6-diiododithieno[3, 2-b:2′, 3′-d]thiophene molecule and crystal: A joint experimental and theoretical study

  • Roel S. Sánchez-Carrera
  • , Susan A. Odom
  • , Tiffany L. Kinnibrugh
  • , Tissa Sajoto
  • , Eung Gun Kim
  • , Tatiana V. Timofeeva
  • , Stephen Barlow
  • , Veaceslav Coropceanu
  • , Seth R. Marder
  • , Jean Luc Brédas

Research output: Contribution to journalArticlepeer-review

22 Scopus citations

Abstract

The electronic properties of the 2, 6-diiododithieno[3, 2-b:2′, 3′-d] thiophene molecule and crystal are investigated by means of UV - vis spectroscopy, cyclic voltammetry, X-ray crystallography, and density functional theory. The experimental and calculated properties of the compound are compared to those exhibited by the parent molecule, dithieno[3, 2-b:2′, 3′-d]thiophene. Quantum-chemical studies of the 2, 6-diiododithieno[3, 2-b:2′, 3′-d]-thiophene crystal suggest uniaxial hole-transport character with an effective mass of about 2m0, comparable to that in the pentacene single crystal.

Original languageEnglish (US)
Pages (from-to)749-755
Number of pages7
JournalJournal of Physical Chemistry B
Volume114
Issue number2
DOIs
StatePublished - Jan 21 2010
Externally publishedYes

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Surfaces, Coatings and Films
  • Materials Chemistry

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