Synthesis and properties of a low-bandgap liquid crystalline π-conjugated polymer
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The synthesis and properties of an isothianaphthene-based liquid crystal (LC) π-conjugated polymer are reported. The polymer showed amphotropic LC character having both thermotropic and lyotropic liquid crystallinities with macroscopic LC fractal structure. The optical bandgap is 2.0 eV accompanied by good electroactivity.
KeywordsLiquid Crystallinity Diamond Structure Lyotropic Liquid Crystal Trimethyltin Tetrabutyl Ammonium Perchlorate
We would like to thank the Chemical Analysis Center and the Glass Work Shop of the University of Tsukuba. We wish to express our sincere appreciation to Dr. R. H. L. Kiebooms (European Patent Office) for encouragement and advice. Pyrimidine LC precursors were generously provided by Midori Chemical (Midori Kagaku, Japan).