Theoretical design of substituted tetrathia-[7]-helicenes with large second-order nonlinear optical responses

Benoît Champagne, Jean-Marie André, Edith Botek, Emanuela Licandro, Stefano Maiorana, Alberto Bossi, Koen Clays, André Persoons

Research output: Contribution to journalArticle

Abstract

Increasing response: Semiempirical calculations show that substituting tetrathia-[7]-helicene in positions 7 and 8 (see graphic) as well as in positions 2 and 13 by adequate donor/acceptor pairs can lead to a substantial increase of the second-order nonlinear optical response.

Original languageEnglish
Pages (from-to)1438-1442
Number of pages5
JournalChemPhysChem
Volume5
Issue number9
DOIs
Publication statusPublished - 20 Sep 2004

Keywords

  • Helical structures
  • Nonlinear optical properties
  • Semiempirical calculations
  • Substituent effects

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