Emergence of tilt in square honeycomb liquid crystals

Marco Poppe; Changlong Chen; Feng Liu; Marko Prehm; Silvio Poppe; Carsten Tschierske

doi:10.1039/C7SM00776K

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Emergence of tilt in square honeycomb liquid crystals†

Marco Poppe,^a Changlong Chen,^b Feng Liu,

*^b Marko Prehm,^a Silvio Poppe^a and Carsten Tschierske

*^a

Author affiliations

* Corresponding authors

^a Department of Chemistry, Martin Luther University Halle-Wittenberg, Kurt-Mothes-Str. 2, 06120 Halle, Germany
E-mail: carsten.tschierske@chemie.uni-halle.de

^b State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi’an 710049, P. R. China
E-mail: feng.liu@xjtu.edu.cn

Abstract

First liquid crystalline phases with tilted organization of rod-like aromatics in a square honeycomb structure were discovered. The developing tilt is temperature, chain length and chain volume dependent, and has a dramatic effect on the optical properties, occasionally leading to an inversion of birefringence. The observed effects of chain branching on tilt contributes to a general understanding of lateral chain engineering in tailoring the self-assembly of π-conjugated molecular rods.

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Article information

DOI: https://doi.org/10.1039/C7SM00776K
Article type: Communication
Submitted: 20 Apr 2017
Accepted: 17 Jun 2017
First published: 19 Jun 2017

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Soft Matter, 2017,13, 4676-4680

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Emergence of tilt in square honeycomb liquid crystals

M. Poppe, C. Chen, F. Liu, M. Prehm, S. Poppe and C. Tschierske, Soft Matter, 2017, 13, 4676 DOI: 10.1039/C7SM00776K

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Soft Matter

Emergence of tilt in square honeycomb liquid crystals†

Abstract

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Emergence of tilt in square honeycomb liquid crystals

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