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Fluorescent liquid crystals

Mirosław Salamończyk 1Ewa Górecka 1Damian Pociecha 1Anna Kovarova 2Jiri Svoboda 2

1. University of Warsaw, Faculty of Chemistry, Żwirki i Wigury 101, Warszawa 02-089, Poland
2. Institute of Chemical Technology (VSCHT), Technicka 5, Prague 16628, Czech Republic

Abstract

Liquid crystal materials showing strong fluorescence in visible light have been synthesized and studied. Molecules have bent mesogenic core incorporating 2-benzothiophene. Material exhibit Nematic, Smectic A and Smectic C. Due to the strong anisotropy of molecular organization in LC phases the emitted fluorescent light is strongly polarized. In chiral SmC materials polarization direction can be changed by electric field due to the ferroelectric structure of the phase. This behaviour seems promising for the future applications.

 

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Presentation: Poster at E-MRS Fall Meeting 2009, Symposium I, by Mirosław Salamończyk
See On-line Journal of E-MRS Fall Meeting 2009

Submitted: 2009-05-07 12:07
Revised:   2009-06-07 00:48