Electro-optic property of the nonlinear optical organic/inorganic composite material with polyimide synthesized using 4,4′-(hexafluoroisopropylidene)dianiline

Sung Kil Lee, Dong Hoon Choi, Yong Taek Lee

Research output: Contribution to journalArticle

Abstract

We studied the preparation and property of second-order nonlinear optical (NLO) material with polyimide containing hexafluoroisopropylidene unit and Disperse red 1. Polyamic acid, silylated Disperse red 1, and silane coupling agent were mixed to prepare the solution through hydrolysis and condensation. Thin film was fabricated using the prepared solution and imidized after poling. Before imidization, we could observe the enhancement of poling efficiency under the excitation light in polyamic acid form. The electro-optic coefficient r33 was determined to be 33.2 pm/V at 632 nm, and was observed to be stable at 100°C. The organic/inorganic composite NLO material showed good temporal stability at high temperature arising from the imidization and increase of the density of Si-O-Si bond.

Original languageEnglish
Pages (from-to)815-824
Number of pages10
JournalPolymer (Korea)
Volume23
Issue number6
Publication statusPublished - 1999 Dec 1
Externally publishedYes

Fingerprint

Optical materials
Electrooptical effects
Polyimides
Silanes
Acids
Coupling agents
Composite materials
Condensation
Hydrolysis
Thin films
Temperature
polyamic acid
Disperse Red 1

Keywords

  • Disperse red 1
  • Electro-optic coefficient
  • Nonlinear optical material
  • Polyimide
  • Sol-gel process

ASJC Scopus subject areas

  • Polymers and Plastics
  • Materials Chemistry

Cite this

Electro-optic property of the nonlinear optical organic/inorganic composite material with polyimide synthesized using 4,4′-(hexafluoroisopropylidene)dianiline. / Lee, Sung Kil; Choi, Dong Hoon; Lee, Yong Taek.

In: Polymer (Korea), Vol. 23, No. 6, 01.12.1999, p. 815-824.

Research output: Contribution to journalArticle

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