Sum-frequency vibrational spectroscopic study of a rubbed polymer surface

Xing Wei; Xiaowei Zhuang; Seok Cheol Hong; Tomohisa Goto; Y. R. Shen

doi:10.1103/PhysRevLett.82.4256

Sum-frequency vibrational spectroscopic study of a rubbed polymer surface

Xing Wei, Xiaowei Zhuang, Seok Cheol Hong, Tomohisa Goto, Y. R. Shen

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

145 Citations (Scopus)

Abstract

Sum-frequency vibrational spectroscopy has been used to probe the chain orientation of polyvinyl alcohol at the surface after rubbing. The distribution function of the chain orientation is determined quantitatively. The orientational order parameter of the chains deduced from the distribution matches well with that of a liquid crystal monolayer deposited on the polymer, proving that the polymer surface can align a liquid crystal film through orientational epitaxy.

Original language	English
Pages (from-to)	4256-4259
Number of pages	4
Journal	Physical review letters
Volume	82
Issue number	21
DOIs	https://doi.org/10.1103/PhysRevLett.82.4256
Publication status	Published - 1999
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy(all)

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abstract = "Sum-frequency vibrational spectroscopy has been used to probe the chain orientation of polyvinyl alcohol at the surface after rubbing. The distribution function of the chain orientation is determined quantitatively. The orientational order parameter of the chains deduced from the distribution matches well with that of a liquid crystal monolayer deposited on the polymer, proving that the polymer surface can align a liquid crystal film through orientational epitaxy.",

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