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Chiral solutes can seed the formation of enantiomorphic domains in a twist-bend nematic liquid crystal

Chiral solutes can seed the formation of enantiomorphic domains in a twist-bend nematic liquid crystal
Chiral solutes can seed the formation of enantiomorphic domains in a twist-bend nematic liquid crystal
The twist-bend nematic, an enantiomorphic liquid-crystalline phase, exhibited by the structurally symmetric liquid-crystal dimer CB7CB is induced to form a single domain of uniform handedness, in the bulk, by the addition of the dopant chiral solute (S)-1-phenylethanol. Addition of a nonracemic (or scalemic) mixture of both R and S enantiomers of this solute produced equal volumes of P and M chiral domains for the twist-bend nematic phase. This seeding of the domains in an enantiomorphic nematic conglomerate is revealed using deuterium NMR spectroscopy.
1539-3755
Emsley, James W.
9d219d5e-28c0-4a8c-bf3d-1f78cd707c17
Lesot, Philippe
7de481f6-c101-4f05-83ae-804503b9985e
Luckhurst, Geoffrey R.
7807d1c6-54a1-414f-9abe-22de4d9c30f7
Meddour, Abdelkrim
dc79e14b-fd15-426c-872a-51a499dee3a6
Merlet, Denis
d2995516-205e-4bbb-b8e5-4aa521202eea
Emsley, James W.
9d219d5e-28c0-4a8c-bf3d-1f78cd707c17
Lesot, Philippe
7de481f6-c101-4f05-83ae-804503b9985e
Luckhurst, Geoffrey R.
7807d1c6-54a1-414f-9abe-22de4d9c30f7
Meddour, Abdelkrim
dc79e14b-fd15-426c-872a-51a499dee3a6
Merlet, Denis
d2995516-205e-4bbb-b8e5-4aa521202eea

Emsley, James W., Lesot, Philippe, Luckhurst, Geoffrey R., Meddour, Abdelkrim and Merlet, Denis (2013) Chiral solutes can seed the formation of enantiomorphic domains in a twist-bend nematic liquid crystal. Physical Review E, 87 (R). (doi:10.1103/PhysRevE.87.040501).

Record type: Article

Abstract

The twist-bend nematic, an enantiomorphic liquid-crystalline phase, exhibited by the structurally symmetric liquid-crystal dimer CB7CB is induced to form a single domain of uniform handedness, in the bulk, by the addition of the dopant chiral solute (S)-1-phenylethanol. Addition of a nonracemic (or scalemic) mixture of both R and S enantiomers of this solute produced equal volumes of P and M chiral domains for the twist-bend nematic phase. This seeding of the domains in an enantiomorphic nematic conglomerate is revealed using deuterium NMR spectroscopy.

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More information

Published date: 3 April 2013
Organisations: Magnetic Resonance

Identifiers

Local EPrints ID: 354787
URI: https://eprints.soton.ac.uk/id/eprint/354787
ISSN: 1539-3755
PURE UUID: 7e7a9277-b1c6-4e9a-93e3-142287a99658

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Date deposited: 23 Jul 2013 10:35
Last modified: 16 Jul 2019 21:28

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