Real-time poling vapor co-deposition of dye-doped second-order nonlinear optical polymer thin films

Hua Shu Wu, Jwo Huei Jou*, Yu Chin Li, Jung Y. Huang

*Corresponding author for this work

Research output: Contribution to journalArticle

4 Scopus citations

Abstract

Dye-doped second-order nonlinear optical (NLO) poly(amic acid) (PAA) and polyimide (PI) thin films were prepared via a newly developed real-time poling vapor co-deposition process. This method would plausibly enable many polymeric materials, including high glass transition ones, to be matrix films and many NLO-active chromophores to be desired dopants for making numerous NLO thin films. The PAA film, after curing at 150 °C, showed a considerable improvement in thermal stability. Fourier transform infrared characterization also revealed that a 23 wt % disperse red 1 doped PI thin film exhibited reasonable second harmonic generation (SHG) characteristics even at relatively low poling fields; that is, the SHG coefficient had increased from 0.8 to 5.8 pm/V for a poling field increasing from 0.01 to 0.1 MV/cm.

Original languageEnglish
Pages (from-to)4410-4414
Number of pages5
JournalMacromolecules
Volume30
Issue number15
DOIs
StatePublished - 28 Jul 1997

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