Molecular recognition in chiral smectic liquid crystals: The effect of core–core interactions and chirality transfer on polar order

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Abstract
This critical review focuses on the induction of polar order in smectic liquid crystal phases by dopants with axially chiral cores, and should be of interest to all practitioners of supramolecular chemistry. The variations in polarization power of these dopants with the core structure of the liquid crystal hosts is a manifestation of molecular recognition that reflects the nanosegregation of aromatic cores from paraffinic side-chains in smectic phases, and the collective effect of core–core interactions that enable the propagation of chiral perturbations. (76 references.)

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