Effect of Hofmeister anions on the existence of the biaxial nematic phase in lyotropic mixtures of dodecyltrimethylammonium bromide/sodium salt/1-dodecanol/water

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dc.authorid0000-0002-6339-8699en_US
dc.authorid0000-0002-9854-5177en_US
dc.contributor.authorAkpınar, Erol
dc.contributor.authorReis, Dennys
dc.contributor.authorFigueiredo Neto, Antonio Martins
dc.date.accessioned2021-06-23T19:42:00Z
dc.date.available2021-06-23T19:42:00Z
dc.date.issued2015
dc.departmentBAİBÜ, Fen Edebiyat Fakültesi, Kimya Bölümüen_US
dc.description.abstractLyotropic mixtures including different sodium salts of Hofmeister anions were studied in order to investigate the effect of these anions on the existence of biaxial nematic phase and on the uniaxial to biaxial phase transitions. For this purpose, these sodium salts were added singly into different mixtures of dodecyltrimethylammonium bromide (DDTMABr)/1-dodecanol/water, keeping the relative molar concentration of all the constituents constant. The uniaxial to biaxial phase transitions were determined from the temperature dependence of the birefringences by laser conoscopy. Micellar shape anisometry and average micellar volume were evaluated from small-angle X-ray scattering measurements. The results indicated that the Hofmeister anions were bounded to the head groups of DDTMABr molecules at the micelles' surfaces, which significantly affect the different orientational fluctuations responsible for the formation of different nematic phases, biaxial phase domains and uniaxial to biaxial phase transition temperatures.en_US
dc.identifier.doi10.1080/02678292.2015.1011717
dc.identifier.endpage981en_US
dc.identifier.issn0267-8292
dc.identifier.issn1366-5855
dc.identifier.issue7en_US
dc.identifier.scopus2-s2.0-84938421190en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage973en_US
dc.identifier.urihttps://doi.org/10.1080/02678292.2015.1011717
dc.identifier.urihttps://hdl.handle.net/20.500.12491/8281
dc.identifier.volume42en_US
dc.identifier.wosWOS:000359533500006en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.institutionauthorAkpınar, Erol
dc.language.isoenen_US
dc.publisherTaylor & Francis Ltden_US
dc.relation.ispartofLiquid Crystalsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectLyotropic Liquid crystalen_US
dc.subjectBiaxial Nematic Phaseen_US
dc.subjectSmall-angle X-ray Scatteringen_US
dc.subjectLaser Conoscopyen_US
dc.subjectUniaxial to Biaxial Nematic Phase Transitionen_US
dc.subjectHofmeister Seriesen_US
dc.titleEffect of Hofmeister anions on the existence of the biaxial nematic phase in lyotropic mixtures of dodecyltrimethylammonium bromide/sodium salt/1-dodecanol/wateren_US
dc.typeArticleen_US

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