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Issue 28, 2018
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Observation of polar order and thermochromic behaviour in a chiral bent-core system exhibiting exotic mesophases due to superstructural frustration

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Abstract

A new approach accompanied by superstructural frustration is reported. By attaching a cholesterol moiety directly to the central bent-core system it displayed exotic BPIII, BPII/I, Ncyb*, TGBA, SmAPA, SmA and SmX phases as shown by X-ray scattering results. While higher homologues of the series exhibited spontaneous formation of polar order (Ps ∼ 61 nC cm−2) upon applied voltage, the lower homologues showed thermochromic behaviour which can also be trapped via temperature quenching.

Graphical abstract: Observation of polar order and thermochromic behaviour in a chiral bent-core system exhibiting exotic mesophases due to superstructural frustration

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Publication details

The article was received on 18 Nov 2017, accepted on 07 Mar 2018 and first published on 07 Mar 2018


Article type: Communication
DOI: 10.1039/C7CC08885J
Citation: Chem. Commun., 2018,54, 3452-3455
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    Observation of polar order and thermochromic behaviour in a chiral bent-core system exhibiting exotic mesophases due to superstructural frustration

    V. Punjani, G. Mohiuddin, S. Kaur, R. K. Khan, S. Ghosh and S. K. Pal, Chem. Commun., 2018, 54, 3452
    DOI: 10.1039/C7CC08885J

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