Electro-optic properties of a guest-host system containing a phenothiazine-based chromophore

Effect of the chromophore density on the macroscopic optical nonlinearity

Kyu Lee Sang, Ju Cho Min, Hyuk Yoon, Hwan Lee Seung, Hong Kim Jae, Qing Zhang, Dong Hoon Choi

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

We have prepared a phenothiazine-based nonlinear optical (NLO) chromophore that displays a fairly high microscopic nonlinearity through intramolecular charge transfer. The phenothiazine unit plays important roles of contributing its high electron donating ability and connecting the resonance pathway through a conjugative effect in the cyclized ring adjacent to the aromatic ring. Theoretical calculations and an absorption spectroscopic study provided useful information concerning the microscopic nonlinearity of the chromophores. We investigated the electro-optic (EO) properties of the guest-host systems in amorphous polycarbonate containing the synthesized chromophores at different concentrations under different poling temperatures. A real-time pole and probe method provided a much greater amount of information regarding how the EO properties can arise and how they can be optimized.

Original languageEnglish
Pages (from-to)484-489
Number of pages6
JournalMacromolecular Research
Volume12
Issue number5
Publication statusPublished - 2004 Oct 1
Externally publishedYes

Fingerprint

Chromophores
Electrooptical effects
polycarbonate
Polycarbonates
Charge transfer
Poles
Electrons
phenothiazine
Temperature

Keywords

  • Effect of chromophore concentration
  • Electro-optic effect
  • Nonlinear optical chromophore
  • Phenothiazine

ASJC Scopus subject areas

  • Polymers and Plastics
  • Materials Chemistry

Cite this

Electro-optic properties of a guest-host system containing a phenothiazine-based chromophore : Effect of the chromophore density on the macroscopic optical nonlinearity. / Sang, Kyu Lee; Min, Ju Cho; Yoon, Hyuk; Seung, Hwan Lee; Jae, Hong Kim; Zhang, Qing; Choi, Dong Hoon.

In: Macromolecular Research, Vol. 12, No. 5, 01.10.2004, p. 484-489.

Research output: Contribution to journalArticle

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