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Materials 2013, 6(6), 2218-2228; doi:10.3390/ma6062218

Synthesis of Isothianaphthene (ITN) and 3,4-Ethylenedioxy-Thiophene (EDOT)-Based Low-Bandgap Liquid Crystalline Conjugated Polymers

Faculty of Pure and Applied Sciences, Division of Materials Science, University of Tsukuba, Tsukuba, Ibaraki 305-8573, Japan
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Author to whom correspondence should be addressed.
Received: 15 April 2013 / Revised: 15 May 2013 / Accepted: 16 May 2013 / Published: 30 May 2013
(This article belongs to the Section Manufacturing Processes and Systems)
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Abstract

Copolymers, consisting of isothianaphthene and phenylene derivatives with liquid crystal groups, were synthesized via Migita-Kosugi-Stille polycondensation reaction. IR absorption, UV-vis optical absorption, and PL spectroscopy measurements were carried out. Thermotropic liquid crystallinity of the polymers with bandgap of ~2.5 eV was confirmed. View Full-Text
Keywords: π-conjugated polymers; isothianaphthene; liquid crystals; Migita-Kosugi-Stille coupling; pyrimidine π-conjugated polymers; isothianaphthene; liquid crystals; Migita-Kosugi-Stille coupling; pyrimidine
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Wang, A.; Kawabata, K.; Goto, H. Synthesis of Isothianaphthene (ITN) and 3,4-Ethylenedioxy-Thiophene (EDOT)-Based Low-Bandgap Liquid Crystalline Conjugated Polymers. Materials 2013, 6, 2218-2228.

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