Exciton coupling in oligothiophenes: a combined experimental/theoretical study

D. Beljonne*, B. M.W. Langeveld-Voss, Z. Shuai, R. A.J. Janssen, S. C.J. Meskers, E. W. Meijer, J. L. Bredas

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review

11 Scopus citations


The influence of exciton coupling on the optical properties of oligothiophenes is studied by means of optical and circular dichroism (CD) spectroscopy. The CD spectrum of a model compound, formed by two terthienyl chromophores arranged in a chiral orientation, displays two bands with opposite signs that can be related to the two Davydov components of the first optical transition. From correlated quantum-chemical calculations, the Davydov splitting is estimated to be on the order of 0.15-0.2 eV.

Original languageEnglish (US)
Pages (from-to)912-913
Number of pages2
JournalSynthetic Metals
Issue number1-3
StatePublished - 1999
Externally publishedYes
EventProceedings of the 1998 International Conference on Science and Technology of Synthetic Metals (ICSM-98) - Montpellier
Duration: Jul 12 1998Jul 18 1998

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys
  • Materials Chemistry


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