Spontaneous chirality through mixing achiral components: A twist-bend nematic phase driven by hydrogen-bonding between unlike components

R. Walker, D. Pociecha, J. P. Abberley, A. Martinez-Felipe, D. A. Paterson, E. Forsyth, G. Lawrence, P. A. Henderson, J. M. D. Storey, E. Gorecka, C. T. Imrie

Research output: Contribution to journalArticle

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Abstract

The spontaneous formation of a chiral phase via molecular recognition in a system consisting of achiral components is reported. Specifically, the liquid crystalline behaviour of two molecular complexes assembled by hydrogen bonding between a stilbazole-based template and alkoxybenzoic acids has been characterised. The complexes exhibit the heliconical twist-bend nematic phase (NTB) over a broad temperature range despite the hydrogen-bond acceptor not being liquid crystalline and the donor exhbiting the conventional achiral nematic phase.
Original languageEnglish
Pages (from-to)3383-3386
Number of pages4
JournalChemical Communications
Volume54
Issue number27
Early online date9 Mar 2018
DOIs
Publication statusPublished - 7 Apr 2018

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Chirality
Hydrogen bonds
Crystalline materials
Molecular recognition
Liquids
Acids
Temperature

Cite this

Spontaneous chirality through mixing achiral components : A twist-bend nematic phase driven by hydrogen-bonding between unlike components. / Walker, R.; Pociecha, D.; Abberley, J. P.; Martinez-Felipe, A.; Paterson, D. A.; Forsyth, E.; Lawrence, G.; Henderson, P. A.; Storey, J. M. D.; Gorecka, E.; Imrie, C. T.

In: Chemical Communications, Vol. 54, No. 27, 07.04.2018, p. 3383-3386.

Research output: Contribution to journalArticle

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abstract = "The spontaneous formation of a chiral phase via molecular recognition in a system consisting of achiral components is reported. Specifically, the liquid crystalline behaviour of two molecular complexes assembled by hydrogen bonding between a stilbazole-based template and alkoxybenzoic acids has been characterised. The complexes exhibit the heliconical twist-bend nematic phase (NTB) over a broad temperature range despite the hydrogen-bond acceptor not being liquid crystalline and the donor exhbiting the conventional achiral nematic phase.",
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note = "Acknowledgments: The work was supported by the National Science Centre (Poland) under the grant no. 2016/22/A/ST5/00319. RW gratefully acknowledges the Carnegie Trust for the Universities of Scotland for funding the award of a PhD scholarship.",
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AU - Pociecha, D.

AU - Abberley, J. P.

AU - Martinez-Felipe, A.

AU - Paterson, D. A.

AU - Forsyth, E.

AU - Lawrence, G.

AU - Henderson, P. A.

AU - Storey, J. M. D.

AU - Gorecka, E.

AU - Imrie, C. T.

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AB - The spontaneous formation of a chiral phase via molecular recognition in a system consisting of achiral components is reported. Specifically, the liquid crystalline behaviour of two molecular complexes assembled by hydrogen bonding between a stilbazole-based template and alkoxybenzoic acids has been characterised. The complexes exhibit the heliconical twist-bend nematic phase (NTB) over a broad temperature range despite the hydrogen-bond acceptor not being liquid crystalline and the donor exhbiting the conventional achiral nematic phase.

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