Liquid Crystalline Compounds Consisting of two mesogens with a biphenyl moiety

Abstract

We report the synthesis, behaviors, and organization of liquid crystalline dimmers consisting of two mesogens linked with a biphenyl moiety. Their properties were investigated by polarized optical microscopy (POM), differential scanning calorimetry (DSC), and X-ray diffraction (XRD). They exhibited a smectic A (SmA) phase. The layer distance observed in the XRD was shorter than the molecular length calculated in the molecular modeling. The molecular packing structure was postulated.