Improvement of the dielectric and electro-optic properties of phthalocyanine- and quantum dot-doped nematic liquid crystals under UV illumination

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dc.contributor.authorÖnsal, Gülnur
dc.date.accessioned2023-03-22T19:47:29Z
dc.date.available2023-03-22T19:47:29Z
dc.date.issued2022
dc.departmentBelirleneceken_US
dc.description.abstractIn this study, dielectric and electro-optic properties of 4-pentyl-4 '-cyanobiphenyl (5CB) nematic liquid crystal (LC) and different concentrations of nickel (II) phthalocyanine (Ni(II)Pc) and cadmium selenide sulfide/zinc sulfide (CdSeS/ZnS) quantum dot (QD)-doped LC have been investigated in dark and ultraviolet (UV) illumination. Some important dielectric parameters such as the real and imaginary part of the complex dielectric constant (epsilon ' and epsilon ''), relaxation frequency (f(R)), and relaxation time (tau) have been determined. The output of the study shows that Ni(II)Pc and CdSeS/ZnS contribution and UV illumination improved the dielectric properties. Optical band gap (E-gap) values of all samples have been obtained using the UV spectroscopy technique. The E-gap value decreased after dispersion of Ni(II)Pc and CdSeS/ZnS in the pure LC. The results may be beneficial for the design of new optoelectronic devices.en_US
dc.identifier.doi10.1007/s11664-022-09620-9
dc.identifier.endpage3830en_US
dc.identifier.issn0361-5235
dc.identifier.issn1543-186X
dc.identifier.issue7en_US
dc.identifier.scopus2-s2.0-85128847098en_US
dc.identifier.scopusqualityQ3en_US
dc.identifier.startpage3820en_US
dc.identifier.urihttps://doi.org/10.1007/s11664-022-09620-9
dc.identifier.urihttps://hdl.handle.net/20.500.14034/729
dc.identifier.volume51en_US
dc.identifier.wosWOS:000787654100004en_US
dc.identifier.wosqualityQ3en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherSpringeren_US
dc.relation.journalJournal Of Electronic Materialsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectLiquid crystalen_US
dc.subjectphthalocyanineen_US
dc.subjectquantum doten_US
dc.subjectdielectric propertiesen_US
dc.subjectelectro-optic propertiesen_US
dc.subjectDirector Relaxation Frequencyen_US
dc.subjectElectrical-Conductivityen_US
dc.subjectEnhancementen_US
dc.subjectCompositesen_US
dc.titleImprovement of the dielectric and electro-optic properties of phthalocyanine- and quantum dot-doped nematic liquid crystals under UV illuminationen_US
dc.typeArticleen_US

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