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http://acervodigital.unesp.br/handle/11449/116868
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DC Field | Value | Language |
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dc.contributor.author | Pradal, Nathalie | - |
dc.contributor.author | Boyer, Damien | - |
dc.contributor.author | Chadeyron, Genevieve | - |
dc.contributor.author | Therias, Sandrine | - |
dc.contributor.author | Chapel, Anthony | - |
dc.contributor.author | Santilli, Celso Valentim | - |
dc.contributor.author | Mahiou, Rachid | - |
dc.date.accessioned | 2015-03-18T15:54:18Z | - |
dc.date.accessioned | 2016-10-25T20:28:14Z | - |
dc.date.available | 2015-03-18T15:54:18Z | - |
dc.date.available | 2016-10-25T20:28:14Z | - |
dc.date.issued | 2014-08-21 | - |
dc.identifier | http://dx.doi.org/10.1039/c4tc00560k | - |
dc.identifier.citation | Journal Of Materials Chemistry C. Cambridge: Royal Soc Chemistry, v. 2, n. 31, p. 6301-6311, 2014. | - |
dc.identifier.issn | 2050-7526 | - |
dc.identifier.uri | http://hdl.handle.net/11449/116868 | - |
dc.identifier.uri | http://acervodigital.unesp.br/handle/11449/116868 | - |
dc.description.abstract | This work deals with a red phosphor. Y3BO6:Eu3+, and its corresponding poly(N-vinylpyrrolidone) (PVP)/Y3BO6:Eu3+ luminescent composite film suitable for applications in the next generation of Hg-free lamps based on near ultraviolet (UV) light emitting diodes (LEDs). Well crystallized samples of Y3BO6 powders with the Eu3+ content up to 20 mol% were prepared by the Pechini method. After structural, morphological and optical characterization, the best doping rate of Eu3+ in the matrix was determined to be 15 mol%. This optimal powder, which is highly friable, was easily ground into fine particles and homogeneously dispersed into a PVP polymer solution to give rise to a polymer phosphor composite. Structural and optical features of the composite film have been studied and compared to those of a pristine PVP film and Y3BO6:Eu3+ powder. All the characterization (XRD, SAXS, luminescence...) proved that the red phosphor particles are well incorporated into the polymer composite film which exhibited the characteristic red emission of Eu3+ under UV light excitation. Furthermore, photostability of the polymer/phosphor composite film under UV-LED irradiation was evaluated from exposure to accelerated artificial photoageing at wavelengths above 300 nm. | en |
dc.format.extent | 6301-6311 | - |
dc.language.iso | eng | - |
dc.publisher | Royal Soc Chemistry | - |
dc.source | Web of Science | - |
dc.title | Investigations on PVP/Y3BO6:Eu3+, a red Luminescent composite for lighting devices based on near UV-LEDs | en |
dc.type | outro | - |
dc.contributor.institution | Univ Clermont Ferrand | - |
dc.contributor.institution | CNRS | - |
dc.contributor.institution | Universidade Estadual Paulista (UNESP) | - |
dc.description.affiliation | Univ Clermont Ferrand, ENSCCF, Inst Chim Clermont Ferrand, F-63000 Clermont Ferrand, France | - |
dc.description.affiliation | Univ Clermont Ferrand, Univ Clermont Ferrand 2, Inst Chim Clermont Ferrand, F-63000 Clermont Ferrand, France | - |
dc.description.affiliation | CNRS, UMR 6296, ICCF, F-63171 Aubiere, France | - |
dc.description.affiliation | UNESP, Inst Quim, BR-14800900 Araraquara, SP, Brazil | - |
dc.description.affiliationUnesp | UNESP, Inst Quim, BR-14800900 Araraquara, SP, Brazil | - |
dc.identifier.doi | 10.1039/c4tc00560k | - |
dc.identifier.wos | WOS:000340353700008 | - |
dc.rights.accessRights | Acesso restrito | - |
dc.relation.ispartof | Journal Of Materials Chemistry C | - |
Appears in Collections: | Artigos, TCCs, Teses e Dissertações da Unesp |
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