Issue 1, 2013
From the journal:

Journal of Materials Chemistry C

Multiple nematic phases observed in chiral mesogenic dimers†

Anna Zep,a   Satoshi Aya,b   Kenji Aihara,c   Kenji Ema,c   Damian Pociecha,a   Karolina Madrak,a   Piotr Bernatowicz,d   Hideo Takezoeb  and  Ewa Gorecka*a  

* Corresponding authors

a University of Warsaw, Department of Chemistry, ul. Żwirki i Wigury 101, 02-089 Warsaw, Poland
E-mail: gorecka@chem.uw.edu.pl

b Department of Organic and Polymeric Materials, Tokyo Institute of Technology, O-okayama, Meguro-ku, Tokyo, Japan

c Department of Physics, Tokyo Institute of Technology, O-okayama, Meguro-ku, Tokyo, Japan

d Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland

Abstract

A sequence of seven nematic phases has been observed in chiral mesogenic dimers, having odd number of carbon atoms in the spacer, thus a bent shape. The highest temperature phase is a chiral nematic (cholesteric) phase on heating or blue phases on cooling. The lowest temperature nematic phase expels the chiral twist and exhibits spontaneous bent–splay modulation.

Graphical abstract: Multiple nematic phases observed in chiral mesogenic dimers

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Article information

DOI
https://doi.org/10.1039/C2TC00163B
Article type
Communication
Submitted
11 Sep 2012
Accepted
08 Nov 2012
First published
09 Nov 2012

J. Mater. Chem. C, 2013,1, 46-49

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Multiple nematic phases observed in chiral mesogenic dimers

A. Zep, S. Aya, K. Aihara, K. Ema, D. Pociecha, K. Madrak, P. Bernatowicz, H. Takezoe and E. Gorecka, J. Mater. Chem. C, 2013, 1, 46 DOI: 10.1039/C2TC00163B

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