We have synthesized a new series of fluorinated liquid crystalline napthalenes having fluorinated naphthalene moiety at the end of molecule and compared the properties to the previously presented naphthalenes with a similar chemical structure. The new fluorinated liquid crystalline naphthalene with calculated smaller molecular volume shows lower rotational viscosity. Moreover, the naphthalene with calculated larger dipole moment shows larger dielectric anisotropy.
We have performed molecular dynamics simulation of interface between liquid crystal and polyacrylate with different alkyl sidechain length, and qualitatively observed the same orientational behavior as experimental results. We also have analyzed the structure of the interface, concretely the distribution of orientational order parameter near the interface and the relationship between orientational direction of liquid crystal molecules and sidechain.
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