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Issue 43, 2018
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A novel nematic-like mesophase induced in dimers, trimers and tetramers doped with a high helical twisting power additive

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Abstract

From the observation of a previously undiscovered nematic-like mesophase (NX) by Archbold et al., we report on several new binary liquid-crystalline mixtures between the high helical twisting power dopant RM1041 and a selection of dimers with varying average bend angles and conformational landscapes. We also report on mixtures between RM1041 and oligomeric LC materials. We find that dimers and oligomers exhibit not only chiral nematic and twist-bend modulated phases, but also the same NX phase reported by Archbold, indicating that this state of matter (the structure of which is yet to be definitively characterised) is exhibited by a wide range of materials. Mixtures of the dimer CB9CB with a selection of different chiral dopants suggest that it is the helical twisting power of the chiral additive that is responsible incidence of the NX phase.

Graphical abstract: A novel nematic-like mesophase induced in dimers, trimers and tetramers doped with a high helical twisting power additive

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Publication details

The article was received on 06 Jul 2018, accepted on 12 Aug 2018 and first published on 24 Oct 2018


Article type: Paper
DOI: 10.1039/C8SM01389F
Citation: Soft Matter, 2018,14, 8846-8852
  • Open access: Creative Commons BY license
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    A novel nematic-like mesophase induced in dimers, trimers and tetramers doped with a high helical twisting power additive

    R. J. Mandle and J. W. Goodby, Soft Matter, 2018, 14, 8846
    DOI: 10.1039/C8SM01389F

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