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Synthesis and properties of a low-bandgap liquid crystalline π-conjugated polymer

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Abstract

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.

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Acknowledgements

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).

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Authors and Affiliations

  1. Division of Materials Science, Faculty of Pure and Applied Sciences, University of Tsukuba, Tsukuba, Ibaraki, 305-8573, Japan

    Hiromasa Goto, Aohan Wang, Kohsuke Kawabata & Fan Yang

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  1. Hiromasa Goto
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  2. Aohan Wang
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  3. Kohsuke Kawabata
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  4. Fan Yang
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Correspondence to Hiromasa Goto.

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Goto, H., Wang, A., Kawabata, K. et al. Synthesis and properties of a low-bandgap liquid crystalline π-conjugated polymer. J Mater Sci 48, 7523–7532 (2013). https://doi.org/10.1007/s10853-013-7567-3

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  • DOI: https://doi.org/10.1007/s10853-013-7567-3

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