Novel functionalized oligo-vinylthiophene molecules with modulated second-order nonlinear optical response

D. A. Dos Santos, T. Kogej, Jean-Luc Bredas*, C. Boutton, E. Hendrickx, S. Houbrechts, K. Clays, A. Persoons, J. X. Xhang, P. Dubois, R. Jérôme

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

We present a joint theoretical and experimental investigation of the second-order nonlinear optical properties of a new kind of active molecule with a triblock structure. The molecular architecture is such that two highly polarizable conjugated segments are separated from each other by a spacer; one of the conjugated segments is end-capped with an electron-donor group, the other one by an acceptor. E-vinylthiophenes are used as the conjugated segments; N,N-dimethylaniline and nitrophenyl are selected as the donor- acceptor pairs, while the spacer consists of a nonconjugated moiety. Several spacers are considered and discussed with respect to their ability to modulate the charge transfer between the donor and acceptor ends. (C) 2000 Elsevier Science B.V.

Original languageEnglish (US)
Pages (from-to)221-230
Number of pages10
JournalJournal of Molecular Structure
Volume521
Issue number1-3
DOIs
StatePublished - Mar 28 2000

Keywords

  • Functionalized oligo-vinylthiophenes
  • Hyper-Rayleigh scattering
  • Quantum- chemical calculations
  • Second-order polarizability
  • Spacer-incorporated push-pull molecules

ASJC Scopus subject areas

  • Analytical Chemistry
  • Spectroscopy
  • Organic Chemistry
  • Inorganic Chemistry

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