Investigation of photoinduced change of dielectric and electrical properties of indium (III) phthalocyanine and fullerene doped nematic liquid crystal

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dc.contributor.authorÖzmen, Özge Tüzün
dc.contributor.authorGökşen, Kadir
dc.contributor.authorDemir, Ahmet
dc.contributor.authorDurmuş, Mahmut
dc.contributor.authorKöysal, Oğuz
dc.date.accessioned2020-04-30T23:18:39Z
dc.date.available2020-04-30T23:18:39Z
dc.date.issued2012
dc.departmentDÜ, Fen-Edebiyat Fakültesi, Fizik Bölümüen_US
dc.descriptionWOS: 000315248400002en_US
dc.description.abstractIn this work, we have studied photoinduced dielectric and electrical properties of E63 nematic liquid crystal (E63-LC) materials doped with indium (III) metallo phthalocyanine (In-MPc) and fullerene (C-60) in dark and under UV illumination. Doping concentration of In-MPc in E63-LC was chosen to be 5 wt%, whereas a trace amount of C-60 was used in investigated samples. Real and imaginary parts of dielectric permittivity were investigated in the frequency range of 100 Hz-10 MHz by using dielectric spectroscopy technique (DST). It was observed that doping agents and UV illumination enhanced the real part of dielectric permittivity at low frequencies, which was thought to originate from photoinduced charge transfer between In-MPc and C-60 caused by extra dipole strength in LC medium. In addition to that, critical frequency (f(c)) and relaxation time (tau) were obtained and analyzed for all investigated samples. Photoelectrical characteristics of hybrid LC structures were carried out by current voltage measurements. A major increase in electrical conductivity was observed in In-MPc and C-60 doped LC structures under UV irradiation. (C) 2012 Elsevier B.V. All rights reserved.en_US
dc.description.sponsorshipScientific Research Project Fund of Duzce UniversityDuzce University [2011.05.02.073]en_US
dc.description.sponsorshipThis work is supported by the Scientific Research Project Fund of Duzce University under the project number 2011.05.02.073.en_US
dc.identifier.doi10.1016/j.synthmet.2012.10.013en_US
dc.identifier.endpage2192en_US
dc.identifier.issn0379-6779
dc.identifier.issue24en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage2188en_US
dc.identifier.urihttps://doi.org/10.1016/j.synthmet.2012.10.013
dc.identifier.urihttps://hdl.handle.net/20.500.12684/3455
dc.identifier.volume162en_US
dc.identifier.wosWOS:000315248400002en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherElsevier Science Saen_US
dc.relation.ispartofSynthetic Metalsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectPhthalocyanineen_US
dc.subjectFullerenesen_US
dc.subjectLiquid crystalsen_US
dc.subjectDielectric propertiesen_US
dc.subjectElectrical conductivityen_US
dc.titleInvestigation of photoinduced change of dielectric and electrical properties of indium (III) phthalocyanine and fullerene doped nematic liquid crystalen_US
dc.typeArticleen_US

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