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Liquid crystalline behaviour of hydrazide derivatives containing alkoxyazobenzene

Bai, Binglian et al.

Liquid crystals -- Taylor & Francis -- Volume: 41 2; (pages 214-221) -- 2014

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  • Title:
    Liquid crystalline behaviour of hydrazide derivatives containing alkoxyazobenzene
  • Author: Bai, Binglian;
    Mao, Xiyue;
    Xi, Zhanhu;
    Ma, Jie;
    Lin, Xiaolong;
    Wang, Haitao;
    Li, Min
  • Found In: Liquid crystals. Volume 41:Number 2(2014); 20140201; 214-221
  • Journal Title: Liquid crystals
  • Subjects: Liquid crystals; LCSH: Liquid crystals; Dewey: 548.905
  • Rights: Licensed
  • Publication Details: Taylor & Francis
  • Abstract:

    Two series of dissymmetric hydrazide derivatives containing alkoxyazobenzene with nitro terminal group and octyloxy terminal group, N-4-alkoxyphenyl-N′-4-((4-nitrophenyl)azophenyl) benzohydrazide (Bn-NO2, n indicates the number of carbon atoms) and N-4-octyloxyphenyl-N′-4-((4-octyloxyphenyl)azophenyl) benzohydrazide (B8-B8), were designed and synthesised, and their liquid crystalline properties were investigated by means of differential scanning calorimetry, polarised optical microscopy and wide-angle X-ray diffraction. It was found thatB8-B8with octyloxy terminal chains displayed monolayer smectic C phase, whereasBn-NO2with nitro terminal group displayed SmAdphase, and intermolecular hydrogen bonding was confirmed as the driving force. In addition, the effect of hydrogen bonding, dipole–dipole interactions and steric hindrance effect on the liquid crystalline structures were also discussed.


  • Identifier: Journal ISSN: 0267-8292
  • Publication Date: 2014
  • Physical Description: Electronic
  • Shelfmark(s): ELD Digital store
    5221.923000
  • UIN: ETOCvdc_100033151982.0x000001

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