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Transparent bacterial cellulose nanocomposites used as substrate for organic light-emitting diodes

dc.contributor.authorLegnani, Cristiano
dc.contributor.authorBarud, Hernane S.
dc.contributor.authorCaiut, José M. A.
dc.contributor.authorCalil, Vanessa L.
dc.contributor.authorMaciel, Indhira O.
dc.contributor.authorQuirino, Welber G.
dc.contributor.authorRibeiro, Sidney J. L. [UNESP]
dc.contributor.authorCremona, Marco
dc.contributor.institutionUFJF
dc.contributor.institutionInmetro
dc.contributor.institutionUniversidade de Araraquara (Uniara)
dc.contributor.institutionUniversidade de São Paulo (USP)
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionPUC-Rio
dc.date.accessioned2019-10-06T16:49:11Z
dc.date.available2019-10-06T16:49:11Z
dc.date.issued2019-01-01
dc.description.abstractIn this work, high transparent bacterial cellulose (HTBC) biocompatible membranes were produced to be used as substrates in organic light-emitting diodes (OLEDs). These multifunctional membranes are based on bacterial cellulose (BC) and an organic–inorganic sol, composed of boehmite (Boe) nanoparticles and epoxi modified siloxane (GTPS). In order to be used as substrates, BC/Boe-GPTS membranes were covered with silicon dioxide (SiO 2 ) and indium tin oxide (ITO) thin films deposited at room temperature using radio frequency (RF) magnetron sputtering. Visible light transmission improves to 88%, instead of 40% previously achieved. The electrical properties for HTBC/SiO 2 /ITO substrate shows that the ITO deposited films are n-type doped semiconductors with resistivity of 2.7 × 10 −4  Ω cm, carrier concentration of − 1.48 × 10 21  cm −3 , and mobility of 15.2 cm 2  V −1  s −1 . These values are comparable to those of commercial ITO deposited onto glass substrates. After the characterization of the HTBC film, we used it as a substrate for the fabrication of a small molecule organic light-emitting diode OLED. The maximum efficiencies obtained were 1.95 cd/A and 1.68 cd/A for the reference OLED and the HTBC OLED, respectively. The HTBC OLED efficiency is then around 86% of the standard ITO-based OLED. This is clearly a good improvement, since previous BC-based simple architecture devices without Boe-GPTS have an efficiency 50% smaller than that of the standard OLED.en
dc.description.affiliationLaboratório de Eletrônica Orgânica Departamento de Física Universidade Federal de Juiz de Fora UFJF
dc.description.affiliationDivisão de Metrologia de Materiais (DIMAT) Inmetro
dc.description.affiliationLaboratório de Biopolímeros e Biomateriais – BioPolMat Universidade de Araraquara (Uniara)
dc.description.affiliationDepartamento de Química Faculdade de Filosofia Ciências e Letras de Ribeirão Preto Universidade de São Paulo
dc.description.affiliationInstituto de Química Universidade Estadual Paulista UNESP
dc.description.affiliationLaboratório de Optoeletrônica Molecular Departamento de Física Pontifícia Universidade Católica do Rio de Janeiro PUC-Rio
dc.description.affiliationUnespInstituto de Química Universidade Estadual Paulista UNESP
dc.identifierhttp://dx.doi.org/10.1007/s10854-019-00979-w
dc.identifier.citationJournal of Materials Science: Materials in Electronics.
dc.identifier.doi10.1007/s10854-019-00979-w
dc.identifier.issn1573-482X
dc.identifier.issn0957-4522
dc.identifier.scopus2-s2.0-85062040008
dc.identifier.urihttp://hdl.handle.net/11449/189694
dc.language.isoeng
dc.relation.ispartofJournal of Materials Science: Materials in Electronics
dc.rights.accessRightsAcesso abertopt
dc.sourceScopus
dc.titleTransparent bacterial cellulose nanocomposites used as substrate for organic light-emitting diodesen
dc.typeArtigopt
dspace.entity.typePublication
relation.isDepartmentOfPublication3936e2e2-946a-42ab-8b9d-9521513200fc
relation.isDepartmentOfPublication.latestForDiscovery3936e2e2-946a-42ab-8b9d-9521513200fc
relation.isOrgUnitOfPublicationca4c0298-cd82-48ee-a9c8-c97704bac2b0
relation.isOrgUnitOfPublication.latestForDiscoveryca4c0298-cd82-48ee-a9c8-c97704bac2b0
unesp.author.orcid0000-0002-5234-5487[1]
unesp.campusUniversidade Estadual Paulista (UNESP), Faculdade de Odontologia, Araraquarapt
unesp.departmentMateriais Odontológicos e Prótese - FOARpt

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