Temperature-denpendent FTIR Spectroscopy Phase Transition Process of Thin Films of Antiferroelectric Liquid Crystal

Abstract

Abstract: The conformation and orientation of the alkyl chain and the core of AFLC were studied by temperature-dependence spectroscopy. The conformation and orientation of the alkyl chain changed obviously as the temperature increased except the phase transition point between the S^*_IA and S^*_CA. Three CO stretching vibrational modes gave two different phase transition behavior. The phase transition between increasing and decreasing temperature was quite different, this is due to the influence of substrate.

Key words: Temperature-dependent Infrared spectrascopy, Antiferroelectric liquid crystal(AFLC), Phase transition

CLC Number:

O657.37

TrendMD:

CHENG Yu-Chuan, XU Wei-Qing, SUN Li, WANG Xu, ZHAO Bing . Temperature-denpendent FTIR Spectroscopy Phase Transition Process of Thin Films of Antiferroelectric Liquid Crystal[J]. Chem. J. Chinese Universities, 2005, 26(5): 931.

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Temperature-denpendent FTIR Spectroscopy Phase Transition Process of Thin Films of Antiferroelectric Liquid Crystal

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