Molecular Crystals and Liquid Crystals p. 65 - 70 (2008)
Update date:2022-08-03
Topics:
Guo, Yongmin
Bi, Lifeng
Li, Baozong
Yang, Yonggang
Wen, Jianxun
Four chiral compounds have been synthesized. Their phase transition behavior was investigated by differential scanning calorimetry and polarized optical microscopy. Two of them show monotropic smectic C* phases. Moreover, one of them shows an enantiotropic blue phase. The lateral fluoro-substitution strongly suppressed the formation of SmC* phases and decreased clearing points. Although the introduction of nitro group in the core decreased the length-diameter ratio, the temperature range of monotropic SmC* phase did not change much.
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