Effect of the synthesis method on the properties of lithium doped graphene oxide composites with tin oxide nanoparticles: Towards white luminescence

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dc.contributor.authorPrado Hurtado, Félix del
dc.contributor.authorTaeño González, María
dc.contributor.authorMaestre Varea, David
dc.contributor.authorRamírez Castellanos, Julio
dc.contributor.authorGonzález Calbet, José María
dc.contributor.authorCremades Rodríguez, Ana Isabel
dc.date.accessioned2023-06-17T13:23:47Z
dc.date.available2023-06-17T13:23:47Z
dc.date.issued2019-06
dc.description©2019 Pergamon Elsevier Science This work was supported by MINECO/FEDER/M-ERA.NET COFUND (Project MAT2015-65274-R, Project MAT2016-81720-REDC, and Project PCIN-2017-106). The authors are grateful to Matteo Amati (Elettra Sincrotrone, Trieste (Italy)) for his useful advices on the XPS measurements at the ESCA microscopy lines and Dr. J. Bartolome by his help with the chromaticity diagrams. The FPI grant holder, M.T., thanks the financial support from MINECO.
dc.description.abstractGraphene oxide (GO) based composites functionalized with nanoparticles are emerging as potential candidates for multifunctional devices. As the synthesis route can strongly influence the way in which the nanoparticles are anchored to GO and the resulting properties, different routes have been employed and evaluated in this work for the preparation of composites formed by GO and undoped or Li doped SnO_2 nanoparticles. Promotion of synergetic effects, as well as changes in the structural and luminescent properties of the composites have been also analyzed. In comparison with GO, composite samples synthesized in this work involve enhanced luminescence while retaining nearly white emission, which could lead to wider applicability of GO based composites in free standing and emitting and sensing devices. Aspects, such as GO reduction, stabilization of different Sn-based oxides, variation in the concentration of oxygen related functional groups, changes in the sp^2 domain sizes, incorporation of lithium and enhancement of the luminescence, have been analyzed in this work by means of xray diffraction (XRD), high resolution transmission electron microscopy (HRTEM), energy dispersive x-ray spectroscopy (EDS), Raman spectroscopy, x-ray photoelectron spectroscopy (XPS) and photoluminescence (PL) characterizations.
dc.description.departmentDepto. de Física de Materiales
dc.description.departmentDepto. de Química Inorgánica
dc.description.facultyFac. de Ciencias Físicas
dc.description.facultyFac. de Ciencias Químicas
dc.description.refereedTRUE
dc.description.sponsorshipMinisterio de Economía y Competitividad (MINECO) / FEDER / ERA.NET
dc.description.statuspub
dc.eprint.idhttps://eprints.ucm.es/id/eprint/55621
dc.identifier.doi10.1016/j.jpcs.2019.01.006
dc.identifier.issn0022-3697
dc.identifier.officialurlhttp://dx.doi.org/10.1016/j.jpcs.2019.01.006
dc.identifier.relatedurlhttps://www.sciencedirect.com
dc.identifier.urihttps://hdl.handle.net/20.500.14352/13357
dc.journal.titleJournal of physics and chemistry of solids
dc.language.isoeng
dc.page.final139
dc.page.initial133
dc.publisherPergamon Elsevier Science
dc.relation.projectID(MAT2015-65274-R; MAT2016-81720-REDC; PCIN-2017-106)
dc.rightsAtribución-NoComercial-SinDerivadas 3.0 España
dc.rights.accessRightsrestricted access
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.subject.cdu538.9
dc.subject.keywordQuantum dots
dc.subject.keywordPhotoluminescence
dc.subject.keywordEmission
dc.subject.keywordzno
dc.subject.keywordAdsorption
dc.subject.keywordMulticolor
dc.subject.keywordReduction
dc.subject.keywordGraphite
dc.subject.keywordRed
dc.subject.keywordComposite
dc.subject.keywordLuminescence
dc.subject.keywordLithium
dc.subject.keywordTin oxide
dc.subject.keywordNanoparticles
dc.subject.keywordNanomaterials
dc.subject.ucmFísica de materiales
dc.subject.ucmFísica del estado sólido
dc.subject.unesco2211 Física del Estado Sólido
dc.titleEffect of the synthesis method on the properties of lithium doped graphene oxide composites with tin oxide nanoparticles: Towards white luminescence
dc.typejournal article
dc.volume.number129
dspace.entity.typePublication
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