3A13 Orientations of Phenyl Sidegroups and LC Molecules on a Rubbed Polystyrene surface : A Sum-Frequency Vibrational Spectroscopic Study (1)
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概要
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Surface-specific sum-frequency vibrational spectroscopy and second-harmonic generation have been used to study the structure of a rubbed polystyrene (PS) surface and the orientation of 4'-n-pentyl-4-cyanobiphenyl (5CB) liquid crystal molecules on it. The results show that the phenyl sidegroups are well aligned by rubbing in the direction perpendicular to rubbing but tilt from the surface normal with a broad distribution. Although the PS surface is nonpolar, the 5CB molecules appear to adsorb on PS preferentially with the terminal cyano group facing the PS surface.
- 日本液晶学会の論文
- 2003-10-14
著者
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Hong Seok-cheol
Department Of Physics University Of California At Berkeley
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Shen Y.
Department Of Physics University Of California At Berkeley
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Oh-e Masahito
Yokoyama Nano-Structured LC Project, Japan Science Technology Corporation
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Oh-e Masahito
Yokoyama Nano-structured Lc Project Japan Science Technology Corporation:department Of Physics Unive
関連論文
- 3A13 Orientations of Phenyl Sidegroups and LC Molecules on a Rubbed Polystyrene surface : A Sum-Frequency Vibrational Spectroscopic Study (1)
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