Orientations of side chains and adsorbed liquid crystal molecules on a rubbed polyimide surface studied by optical second harmonic generation

Seok Cheol Hong, M. Oh-E, X. Zhuang, Y. R. Shen, J. J. Ge, F. W. Harris, S. Z D Cheng

Research output: Contribution to journalArticle

23 Citations (Scopus)

Abstract

The orientational distributions of the side chains and the adsorbed liquid crystal (LC) molecules on a rubbed side-chain polyimide surface were found by surface second harmonic generation. The side chains and the main chains were found to be aligned along the rubbing direction. The side chains were bent with the free terminals pointing towards the surface. The side chains and the LC molecules were found to have antiparallel orientations at the surface.

Original languageEnglish
Pages (from-to)517061-517067
Number of pages7
JournalPhysical Review E - Statistical, Nonlinear, and Soft Matter Physics
Volume63
Issue number5 I
Publication statusPublished - 2001 May 1
Externally publishedYes

Fingerprint

Polyimide
Second Harmonic Generation
polyimides
Liquid Crystal
harmonic generations
liquid crystals
Molecules
molecules
Antiparallel

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Condensed Matter Physics
  • Statistical and Nonlinear Physics
  • Mathematical Physics

Cite this

Orientations of side chains and adsorbed liquid crystal molecules on a rubbed polyimide surface studied by optical second harmonic generation. / Hong, Seok Cheol; Oh-E, M.; Zhuang, X.; Shen, Y. R.; Ge, J. J.; Harris, F. W.; Cheng, S. Z D.

In: Physical Review E - Statistical, Nonlinear, and Soft Matter Physics, Vol. 63, No. 5 I, 01.05.2001, p. 517061-517067.

Research output: Contribution to journalArticle

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