Stable glass formation by a hexagonal ordered columnar mesophase of a low molar mass phthalocyanine derivative

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Abstract
The synthesis of a novel phthalocyanine mesogen, containing four flexible side chains terminated with a bulky trityl moiety, is described. This compound forms a well defined anisotropic glass, indefinitely stable at room temperature, in which the hexagonal ordered structure of its columnar mesophase is preserved. Such a glassy state should be useful for anisotropic conductivity studies.