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Materials 2012, 5(2), 317-326; doi:10.3390/ma5020317

Synthesis and Properties of Poly(Isothianaphthene Methine)s with Chiral Alkyl Chain

1
Institute of Materials Science, Graduate School of Pure and Applied Sciences, University of Tsukuba, Tsukuba, Ibaraki 305-8573, Japan
2
European Patent Office, Patentlaan 3-9, 2288 EE The Hague, The Netherlands
*
Author to whom correspondence should be addressed.
Received: 29 December 2011 / Revised: 21 January 2012 / Accepted: 6 February 2012 / Published: 16 February 2012
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Abstract

We synthesized poly(isothianaphthene methine)s with chiral alkyl chains in the substituent. Resultant polymers are soluble in THF and CHCl3. Structure of the polymers was characterized with FT-IR, FT-Raman, and UV-Vis-NIR optical absorption spectroscopy. They showed low-bandgap both in solution and in a form of film. Optical activity of the polymers was confirmed with optical rotatory dispersion. Doping effects on the polymer were also examined with UV-Vis-NIR spectroscopy and ESR measurement. View Full-Text
Keywords: π-conjugated polymer; low-bandgap polymer; isothianaphthene; chiroptical activity π-conjugated polymer; low-bandgap polymer; isothianaphthene; chiroptical activity
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

Innami, Y.; Kawashima, H.; Kiebooms, R.H.L.; Aizawa, H.; Matsuishi, K.; Goto, H. Synthesis and Properties of Poly(Isothianaphthene Methine)s with Chiral Alkyl Chain. Materials 2012, 5, 317-326.

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