Ultraviolet light response of electrical and dielectric properties in zinc phthalocyanine and fullerene dispersed liquid crystal composites

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dc.contributor.authorKöysal, Oğuz
dc.contributor.authorGökçen, Muharrem
dc.contributor.authorYıldırım, Mert
dc.date.accessioned2020-04-30T23:46:50Z
dc.date.available2020-04-30T23:46:50Z
dc.date.issued2015
dc.departmentDÜ, Fen-Edebiyat Fakültesi, Fizik Bölümüen_US
dc.descriptionGokcen, Muharrem/0000-0001-9063-3028; YILDIRIM, Mert/0000-0002-8526-1802en_US
dc.descriptionWOS: 000362459300028en_US
dc.description.abstractLiquid crystal composites form an attractive research area in liquid crystal studies. Among these composites, nematic liquid crystal composited E63 is of particular interest. In the present study, E63 coded liquid crystal composites were dispersed with zinc phthalocyanine (Zn-Pc) and fullerene (C-60), and three samples were prepared as E63, E63/Zn-Pc, and E63/Zn-Pc/C-60 in indium tin oxide coated cells via capillary action. Later, current and capacitance measurements of the samples were carried out in darkness and under ultraviolet (UV) illumination (365 nm) of 100 mW/cm(2) power intensity. It was found that both current and capacitance in the samples are affected by UV light and dispersal of Zn-Pc and C-60. Particularly, dispersal of Zn-Pc led to occurrence of photovoltaic properties, which yielded open-circuit voltage of 0.37 V for the E63/Zn-Pc sample. Furthermore, dielectric constant and dielectric anisotropy values were extracted from capacitance values, and UV light was seen to increase the transition frequency of dielectric anisotropy slightly for all samples.en_US
dc.identifier.doi10.1139/cjp-2014-0707en_US
dc.identifier.endpage1212en_US
dc.identifier.issn0008-4204
dc.identifier.issn1208-6045
dc.identifier.issue10en_US
dc.identifier.scopusqualityQ3en_US
dc.identifier.startpage1207en_US
dc.identifier.urihttps://doi.org/10.1139/cjp-2014-0707
dc.identifier.urihttps://hdl.handle.net/20.500.12684/5299
dc.identifier.volume93en_US
dc.identifier.wosWOS:000362459300028en_US
dc.identifier.wosqualityQ3en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherCanadian Science Publishing, Nrc Research Pressen_US
dc.relation.ispartofCanadian Journal Of Physicsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.titleUltraviolet light response of electrical and dielectric properties in zinc phthalocyanine and fullerene dispersed liquid crystal compositesen_US
dc.typeArticleen_US

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