Macroscopic optical nonlinearity of heterocyclic chromophores bearing 2-cyanomethylene-3-cyano-4,5,5-trimethyl-2,5-dihydrofuran

Min Ju Cho, Sang Kyu Lee, Jung Il Jin, Dong Hoon Choi

Research output: Contribution to journalArticlepeer-review


We prepared the heterocyclic nonlinear optical chromophores that contain phenothiazine conjugative bridge between an electron donor and acceptor. Electrochemical analysis and absorption spectroscopic study were performed to investigate the molecular energy states of phenothiazine-based chromophores. Electro-optic properties of guest-host systems in amorphous polycarbonate (APC) were investigated by optimizing poling conditions. 52pm/V of a maximum r33 was obtained in the APC sample bearing 31wt% of highly conjugated chromophore, 6 at 1.3m and it also displayed good thermal stability.

Original languageEnglish
Pages (from-to)381-389
Number of pages9
JournalMolecular Crystals and Liquid Crystals
Issue number1
Publication statusPublished - 2007 Jan


  • Electro-optic
  • Gradient donor moiety
  • Nonlinear optical chromophore
  • Phenothiazine
  • Tricyanofuran

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics


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