Effect of head-group size of some tetradecylalkylammonium bromide surfactants on obtaining the lyotropic biaxial nematic phase

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dc.authorid0000-0002-6339-8699en_US
dc.authorid0000-0002-5647-7559
dc.authorid0000-0001-9854-5177
dc.contributor.authorAkpınar, Erol
dc.contributor.authorGüner, Emre
dc.contributor.authorOrdu, Öznur Demir
dc.contributor.authorFigueiredo Neto, Antonio Martins
dc.date.accessioned2021-06-23T19:51:54Z
dc.date.available2021-06-23T19:51:54Z
dc.date.issued2019
dc.departmentBAİBÜ, Fen Edebiyat Fakültesi, Kimya Bölümüen_US
dc.description.abstractLyotropic quaternary mixtures of some tetradecylalkylammonium bromide surfactants were prepared to examine the effect of the size of the surfactant head group on the stabilization of different lyotropic nematic phases. The lyotropic mixtures were prepared by the addition of the tetradecylalkylammonium bromides (TTAABr) in the mixture of NaBr/decanol (DeOH)/water. The uniaxial to biaxial nematic phase transitions were determined via laser conoscopy. Some micellization parameters such as critical micelle concentration, degree of counterion binding and micellization Gibbs energy were evaluated from the electrical conductivity measurements of diluted binary surfactants/water solutions. The results indicate that the head-group size of the surfactant molecules influences the amphiphilic molecular aggregate topology. Moreover, the effective area per surfactant head group is a key parameter on stabilizing the lyotropic biaxial nematic phase.en_US
dc.identifier.doi10.1140/epje/i2019-11806-y
dc.identifier.issn1292-8941
dc.identifier.issn1292-895X
dc.identifier.issue4en_US
dc.identifier.pmid30953218en_US
dc.identifier.scopus2-s2.0-85064054314en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.urihttps://doi.org/10.1140/epje/i2019-11806-y
dc.identifier.urihttps://hdl.handle.net/20.500.12491/10067
dc.identifier.volume42en_US
dc.identifier.wosWOS:000463809400002en_US
dc.identifier.wosqualityQ3en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.institutionauthorAkpınar, Erol
dc.institutionauthorGüner, Emre
dc.institutionauthorOrdu, Öznur Demir
dc.language.isoenen_US
dc.publisherSpringeren_US
dc.relation.ispartofEuropean Physical Journal Een_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectSoft Matteren_US
dc.subjectLiquid Crystals
dc.titleEffect of head-group size of some tetradecylalkylammonium bromide surfactants on obtaining the lyotropic biaxial nematic phaseen_US
dc.typeArticleen_US

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