Mesogenic properties of PAA/6BA binary liquid crystal complexes

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dc.authorid0000-0003-0369-7686en_US
dc.authorid0000-0002-4523-6573en_US
dc.authorid0000-0002-8513-7860en_US
dc.contributor.authorOkumuş, Mustafa
dc.contributor.authorEskalen, Hasan
dc.contributor.authorSünkür, Murat
dc.contributor.authorÖzgan , Şükrü
dc.date.accessioned2019-06-18T06:19:10Z
dc.date.available2019-06-18T06:19:10Z
dc.date.issued2018-09-19en_US
dc.departmentBatman Üniversitesi Mühendislik - Mimarlık Fakültesi Metalurji ve Malzeme Mühendisliği Bölümüen_US
dc.departmentBatman Üniversitesi Fen - Edebiyat Fakültesi Kimya Bölümüen_US
dc.description.abstractA novel supramolecular liquid crystal complex has been designed and formed from pure liquid crystalspara-azoxyanisole (PAA) and 4-hexylbenzoic acid (6BA). Thermal and microstructural properties offormed PAA/6BA binary liquid crystal complex system are investigated by differential scanning calo-rimeter (DSC), polarized optical microscopy (POM) and X-ray diffractometer (XRD). Fourier transformedinfrared spectroscopy (FTIR) is used to confirm the formation of hydrogen bond between the PAA and6BA molecules. The XRD results show that the molecular ordering of the hydrogen bonded PAA/6BAcomplex is arranged in the orthorhombic structure. The DSC and POM results clearly indicate that thePAA/6BA binary complex exhibits liquid crystalline properties due to the hydrogen bonds formed be-tween the PAA and 6BA molecules. The PAA/6BA complex shows the phase transition peaks indicatingCr/N/I and I/N/SmA/Cr phase sequence during continuous heating and cooling, respectively, byDSC. These phase sequences have also been confirmed by POM observations. Furthermore, the effect ofthe heating rate on the phase transition temperature values is investigated. As the heating rate increases,the phase transition temperature values increase as well. Moreover, the activation energies for the phasetransitions of the PAA/6BA liquid crystal complex are calculated by using Kissinger, Ozawa and Takhormethods. The calculated results clearly show that the phase transitions are regular.en_US
dc.identifier.citationOkumuş, M., Eskalen, H., Sünkür, M., Özgan , Ş. (2018). Mesogenic properties of PAA/6BA binary liquid crystal complexes. Journal of Molecular Structure, 1178, pp. 428-435. https://doi.org/10.1016/j.molstruc.2018.10.049en_US
dc.identifier.endpage435en_US
dc.identifier.issn0022-2860
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage428en_US
dc.identifier.urihttps://hdl.handle.net/20.500.12402/2048
dc.identifier.urihttps://doi.org/10.1016/j.molstruc.2018.10.049
dc.identifier.volume1178en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherElsevieren_US
dc.relation.isversionof10.1016/j.molstruc.2018.10.049en_US
dc.relation.journalJournal of Molecular Structureen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.rightsAttribution-ShareAlike 3.0 United States*
dc.rights.urihttp://creativecommons.org/licenses/by-sa/3.0/us/*
dc.subjectHydrogen Bonded Liquid Crystalsen_US
dc.subjectThermal Propertiesen_US
dc.subjectOptical Propertiesen_US
dc.subjectMicrostructureen_US
dc.titleMesogenic properties of PAA/6BA binary liquid crystal complexesen_US
dc.typeArticleen_US

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Mühendislik-Mimarlık Fakültesi, Metalurji ve Malzeme Mühendisliği Bölümü, Makale Koleksiyonu
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