Journal of Physical Chemistry p. 3941 - 3946 (1985)
Update date:2022-07-31
Topics: X-ray diffraction Structure Spectroscopy Investigation Phase transition
Shvartsman, Felix P.
Cabrera, Ivan R.
Weis, Alexander L.
Wachtel, Ellen J.
Krongauz, Valeri A.
Quasi-lipid crystals, a metastable mesophase of thermochromic spiropyrans containing mesogenic groups, were investigated by different methods.Miscibility studies, X-ray diffraction, and UV-visible and FT-IR spectroscopy indicate that the material behaves basically as a nematic mesophase.Comparison of data of the present work with that obtained earlier by optical and ESR investigation of the behavior of fluorescent and paramagnetic probes results in the formulation of a structural model for quasi-liquid crystals.
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