Please use this identifier to cite or link to this item: http://hdl.handle.net/10261/183788
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dc.contributor.authorGeng, Dongling-
dc.contributor.authorLozano, Gabriel-
dc.contributor.authorMíguez, Hernán-
dc.date.accessioned2019-06-11T09:48:21Z-
dc.date.available2019-06-11T09:48:21Z-
dc.date.issued2019-
dc.identifierdoi: 10.1021/acsami.8b17368-
dc.identifierissn: 1944-8252-
dc.identifier.citationACS Applied Materials and Interfaces 11: 4219- 4225 (2019)-
dc.identifier.urihttp://hdl.handle.net/10261/183788-
dc.description.abstractBright luminescence in rare-earth (RE) nanocrystals, the so-called nanophosphors, is generally achieved by choosing a host that enables an effective excitation of the RE activator through charge or energy transfer. Although tungstate, molybdate, or vanadate compounds provide the aforementioned transfer, a comparative analysis of the efficiency of such emitters remains elusive. Herein, we perform a combined structural and optical analysis, which reveals that the tetragonal GdVO matrix gives rise to the highest efficiency among the different transparent nanophosphor films compared. Then, we demonstrate that by a sequential stacking of optical quality layers made of Eu- and Dy-doped nanocrystals, it is possible to attain highly transparent white-light-emitting coatings of tunable shade with photoluminescence quantum yields above 35%. Layering provides a precise dynamic tuning of the chromaticity based on the photoexcitation wavelength dependence of the emission of the nanophosphor ensemble without altering the chemical composition of the emitters or degrading their efficiency. The total extinction of the incoming radiation along with the high quantum yields achieved makes these thin-layered phosphors one of the most efficient transparent white converter coatings ever developed.-
dc.publisherAmerican Chemical Society-
dc.relation.isversionofPublisher's version-
dc.rightsopenAccess-
dc.subjectRare-earth nanocrystals-
dc.subjectNanophosphors-
dc.subjectWhite-light emission-
dc.subjectPhosphor materials-
dc.subjectTransparent coatings-
dc.titleHighly Efficient Transparent Nanophosphor Films for Tunable White-Light-Emitting Layered Coatings-
dc.typeartículo-
dc.identifier.doi10.1021/acsami.8b17368-
dc.date.updated2019-06-11T09:48:21Z-
dc.description.versionPeer Reviewed-
dc.language.rfc3066eng-
dc.relation.csic-
dc.identifier.pmid30576105-
dc.type.coarhttp://purl.org/coar/resource_type/c_6501es_ES
item.grantfulltextopen-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.fulltextWith Fulltext-
item.cerifentitytypePublications-
item.openairetypeartículo-
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