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

Seok Cheol Hong; Masahito Oh-E; Xiaowei Zhuang; Q. Shen; Jason J. Ge; B. W. Harris; S. Z.D. Cheng

doi:10.1103/PhysRevE.63.051706

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

Seok Cheol Hong, Masahito Oh-E, Xiaowei Zhuang, Q. Shen, Jason J. Ge, B. W. Harris, S. Z.D. Cheng

Research output: Contribution to journal › Article › peer-review

28 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 language	English
Article number	051706
Pages (from-to)	517061-517067
Number of pages	7
Journal	Physical Review E - Statistical, Nonlinear, and Soft Matter Physics
Volume	63
Issue number	5 I
DOIs	https://doi.org/10.1103/PhysRevE.63.051706
Publication status	Published - 2001 May
Externally published	Yes

ASJC Scopus subject areas

Statistical and Nonlinear Physics
Statistics and Probability
Condensed Matter Physics

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10.1103/PhysRevE.63.051706

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Hong, S. C., Oh-E, M., Zhuang, X., Shen, Q., Ge, J. J., Harris, B. W., & Cheng, S. Z. D. (2001). Orientations of side chains and adsorbed liquid crystal molecules on a rubbed polyimide surface studied by optical second harmonic generation. Physical Review E - Statistical, Nonlinear, and Soft Matter Physics, 63(5 I), 517061-517067. Article 051706. https://doi.org/10.1103/PhysRevE.63.051706

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, Masahito; Zhuang, Xiaowei et al.
In: Physical Review E - Statistical, Nonlinear, and Soft Matter Physics, Vol. 63, No. 5 I, 051706, 05.2001, p. 517061-517067.

Research output: Contribution to journal › Article › peer-review

Hong, SC, Oh-E, M, Zhuang, X, Shen, Q, Ge, JJ, Harris, BW & Cheng, SZD 2001, 'Orientations of side chains and adsorbed liquid crystal molecules on a rubbed polyimide surface studied by optical second harmonic generation', Physical Review E - Statistical, Nonlinear, and Soft Matter Physics, vol. 63, no. 5 I, 051706, pp. 517061-517067. https://doi.org/10.1103/PhysRevE.63.051706

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

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