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Electrical properties of a liquid crystal dispersed in an electrospun cellulose acetate network

2018-01-15Journal article Open access
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dc.contributor.authorMANAILA MAXIMEAN, DOINA
dc.contributor.authorDanila, Octavian
dc.contributor.authorAlmeida, Pedro L.
dc.contributor.authorGanea, Constantin Paul
dc.date.accessioned2018-07-25T10:07:26Z
dc.date.available2018-07-25T10:07:26Z
dc.date.issued2018-01-15
dc.description.abstractElectro-optical devices that work in a similar fashion as PDLCs (polymer-dispersed liquid crystals), produced from celulose acetate (CA) electrospun fibers deposited onto indium tin oxide coated glass and a nematic liquid crystal (E7), were studied. CA and the CA/liquid crystal composite were characterized by multiple investigation techniques, such as polarized optical microscopy, dielectric spectroscopy and impedance measurements. Dielectric constant and electric energy loss were studied as a function of frequency and temperature. The activation energy was evaluated and the relaxation time was obtained by fitting the spectra of the dielectric loss with the Havriliak–Negami functions. To determine the electrical characteristics of the studied samples, impedance measurements results were treated using the Cole–Cole diagram and the three-element equivalent model.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationMAXIMEAN, Doina Manaila; [et al] – Electrical properties of a liquid crystal dispersed in an electrospun cellulose acetate network. Beilstein Journal of Nanotechnology. ISSN 2190-4286. Vol. 9 (2018), pp. 155-163pt_PT
dc.identifier.doi10.3762/bjnano.9.18pt_PT
dc.identifier.issn2190-4286
dc.identifier.urihttp://hdl.handle.net/10400.21/8712
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherBeilstein-Institutpt_PT
dc.relation.publisherversionhttps://www.beilstein-journals.org/bjnano/content/pdf/2190-4286-9-18.pdfpt_PT
dc.subjectCellulose nanocompositept_PT
dc.subjectDielectric spectroscopypt_PT
dc.subjectImpedance spectroscopypt_PT
dc.subjectLiquid crystalpt_PT
dc.subjectOptical transmissionpt_PT
dc.titleElectrical properties of a liquid crystal dispersed in an electrospun cellulose acetate networkpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876/UID%2FCTM%2F50025%2F2013/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/3599-PPCDT/PTDC%2FFIS-NAN%2F0117%2F2014/PT
oaire.citation.endPage163pt_PT
oaire.citation.startPage155pt_PT
oaire.citation.titleBeilstein Journal of Nanotechnologypt_PT
oaire.citation.volume9pt_PT
oaire.fundingStream5876
oaire.fundingStream3599-PPCDT
person.familyNameMANAILA MAXIMEAN
person.familyNameDanila
person.familyNameMarques de Almeida
person.familyNameGanea
person.givenNameDOINA
person.givenNameOctavian
person.givenNamePedro
person.givenNameConstantin Paul
person.identifier.ciencia-id0218-71B2-2DE0
person.identifier.orcid0000-0003-0544-2396
person.identifier.orcid0000-0001-9006-2800
person.identifier.orcid0000-0001-7356-8455
person.identifier.orcid0000-0001-7823-8578
person.identifier.ridG-3968-2017
person.identifier.ridB-4356-2009
person.identifier.scopus-author-id57190384213
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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relation.isAuthorOfPublication9b978e7a-5a31-45e1-bc83-cbfde6fb2819
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relation.isAuthorOfPublication.latestForDiscovery9b978e7a-5a31-45e1-bc83-cbfde6fb2819
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