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http://hdl.handle.net/10261/246572
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Campo DC | Valor | Lengua/Idioma |
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dc.contributor.author | Ngo, T. Tuyen | es_ES |
dc.contributor.author | Cabello-Olmo, Elena | es_ES |
dc.contributor.author | Arroyo, Encarnación | es_ES |
dc.contributor.author | Becerro, Ana Isabel | es_ES |
dc.contributor.author | Ocaña, Manuel | es_ES |
dc.contributor.author | Lozano, Gabriel | es_ES |
dc.contributor.author | Míguez, Hernán | es_ES |
dc.date.accessioned | 2021-07-26T09:50:26Z | - |
dc.date.available | 2021-07-26T09:50:26Z | - |
dc.date.issued | 2021 | - |
dc.identifier.citation | ACS Applied Materials and Interfaces, 13 (25): 30051–30060 (2021) | es_ES |
dc.identifier.uri | http://hdl.handle.net/10261/246572 | - |
dc.description.abstract | Fluoride-based compounds doped with rare-earth cations are the preferred choice of materials to achieve efficient upconversion, of interest for a plethora of applications ranging from bioimaging to energy harvesting. Herein, we demonstrate a simple route to fabricate bright upconverting films that are transparent, self-standing, flexible, and emit different colors. Starting from the solvothermal synthesis of uniform and colloidally stable yttrium fluoride nanoparticles doped with Yb3+ and Er3+, Ho3+, or Tm3+, we find the experimental conditions to process the nanophosphors as optical quality films of controlled thickness between few hundreds of nanometers and several micrometers. A thorough analysis of both structural and photophysical properties of films annealed at different temperatures reveals a tradeoff between the oxidation of the matrix, which transitions through an oxyfluoride crystal phase, and the efficiency of the upconversion photoluminescence process. It represents a significant step forward in the understanding of the fundamental properties of upconverting materials and can be leveraged for the optimization of upconversion systems in general. We prove bright multicolor upconversion photoluminescence in oxyfluoride-based phosphor transparent films upon excitation with a 980 nm laser for both rigid and flexible versions of the layers, being possible to use the latter to coat surfaces of arbitrary shape. Our results pave the way toward the development of upconverting coatings that can be conveniently integrated in applications that demand a large degree of versatility. | es_ES |
dc.language.iso | eng | es_ES |
dc.publisher | American Chemical Society | es_ES |
dc.relation | info:eu-repo/grantAgreement/MINECO/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/MAT2017- 88584-R and RTI2018-094426−B-I00 | es_ES |
dc.relation | info:eu-repo/grantAgreement/EC/H2020/NANOPHOM, 715832) | es_ES |
dc.relation.isversionof | Publisher's version | es_ES |
dc.rights | openAccess | es_ES |
dc.subject | Light-emission | es_ES |
dc.subject | Up-conversion | es_ES |
dc.subject | Nanoparticles | es_ES |
dc.subject | Rare-earth nanomaterials | es_ES |
dc.subject | Multifunctional coatings | es_ES |
dc.subject | Flexible materials | es_ES |
dc.title | Highly versatile up-converting oxyfluoride-based nanophosphor films | es_ES |
dc.type | artículo | es_ES |
dc.identifier.doi | 10.1021/acsami.1c07012 | - |
dc.description.peerreviewed | Peer reviewed | es_ES |
dc.relation.publisherversion | https://doi.org/10.1021/acsami.1c07012 | es_ES |
dc.contributor.funder | Ministerio de Economía y Competitividad (España) | es_ES |
dc.contributor.funder | European Research Council | es_ES |
dc.relation.csic | Sí | es_ES |
oprm.item.hasRevision | no ko 0 false | * |
dc.identifier.funder | http://dx.doi.org/10.13039/501100000781 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/501100003329 | es_ES |
dc.identifier.pmid | 34142553 | - |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.cerifentitytype | Publications | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.grantfulltext | open | - |
item.openairetype | artículo | - |
item.fulltext | With Fulltext | - |
item.languageiso639-1 | en | - |
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