Enhanced conductivity in nanoparticle doped hydrogen bonded binary mixture

A homologous series of liquid crystals were newly prepared containing low molar mass moieties through intermolecular hydrogen bond (HB) interactions. A non mesogenic chloro substituted Schiff base is synthesized which acts as the proton acceptor. Mesomorphic 4-n-alkyloxy benzoic acids (where n = 3,...

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Bibliographic Details
Published in:Journal of molecular liquids 2019-12, Vol.296, p.111754, Article 111754
Main Authors: Pai, Pavitra, Kulkarni, Suresh D., Srinivasulu, Maddasani, Baral, Marlin, Apoorva, M.M., Bhagavath, Poornima
Format: Article
Language:English
Subjects:
Alkyloxybenzoic acids
Binary mixtures
H-bonded liquid crystals
Nanocomposite
Nematic
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Summary:A homologous series of liquid crystals were newly prepared containing low molar mass moieties through intermolecular hydrogen bond (HB) interactions. A non mesogenic chloro substituted Schiff base is synthesized which acts as the proton acceptor. Mesomorphic 4-n-alkyloxy benzoic acids (where n = 3, 4, 5, 7, 8 and 12) are used as the proton donors. The influence of chlorine as a substituent on mesomorphic nature of the compounds, their thermal stabilities, melting and clearing temperatures are studied. A nanocomposite of the potent liquid crystal of the series with ZnO nanoparticle is prepared and the conductivity measurements are carried out. [Display omitted] •Binary mixtures through intermolecular hydrogen bonding.•Novel Schiff base as proton acceptor.•4-n-alkyloxy benzoic acids (where n = 3, 4, 5, 7, 8 and 12) as proton donors.•Liquid crystals at ambient temperatures.•Enhanced conductivity in the doped counterpart.
ISSN:0167-7322
1873-3166
DOI:10.1016/j.molliq.2019.111754