The synthesis and dielectric characterization of liquid crystalline hydrogen bonded complex of 3-(4-(dimethyl amino) phenyl)-1-(4-hydroxyphenyl) prop-2-en-1-one with 8-(4-cyanobiphenyl-4′-oxy) octan-1-ol

Burak Korkmaz, Esma Ahlatcıoğlu Özerol*, Yeşim Gürsel, Bahire Filiz Şenkal, Mustafa Okutan

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

15 Citations (Scopus)

Abstract

A new chalcone based nematic schlieren texture liquid crystalline material was prepared from 3-(4-(dimethyl amino) phenyl)-1-(4-hydroxyphenyl) prop-2-en-1-one (DMAC) and 8-(4-cyanobiphenyl-4′-oxy) octan-1-ol (LC8) by molecular self-assembly processes via hydrogen bond formation between tertiary amine group of DMAC and hydroxyl group of the LC8. Hydrogen bond formation was observed by FTIR spectroscopy. Dielectric properties of DMAC has been studied by impedance spectroscopy. The Cole-Cole analysis was used to determine the Resistance-Capacitance (RC) components equivalent circuit situation of doped LC8 on the DMAC. Dependent angular frequency variation of dielectric parameters and ac conductivity properties are non-Debye type relaxation mechanism of interfacial dopant in the liquid crystal molecular structure of the reorientation polarization effects.

Original languageEnglish
Pages (from-to)132-138
Number of pages7
JournalJournal of Molecular Liquids
Volume266
DOIs
Publication statusPublished - 15 Sept 2018

Bibliographical note

Publisher Copyright:
© 2018 Elsevier B.V.

Funding

We are thankful to Istanbul Technical University and Yıldız Technical University for financial support under BAP projects 39995 and 2015-01-01-KAP07 , respectively.

FundersFunder number
British Association for Psychopharmacology
Yildiz Teknik Üniversitesi2015-01-01-KAP07
Istanbul Teknik Üniversitesi39995

    Keywords

    • Chalcone
    • Dielectric properties
    • Hydrogen bonding
    • Liquid crystal

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