Browsing by Subject "Luminescence"
Now showing items 1-10 of 10
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BaMoO4:Tb3+ phosphor properties: Synthesis, characterization and photophysical studies
(Elsevier B.V., 2011-11-02)BaMoO4:Tb3+ powders were synthesized by the complex polymerization (CP) method and characterized by powder X-ray diffraction patterns (XRD), Fourier transform infra-Red (FTIR) and Raman spectroscopy as well as photoluminescence ...
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Elaboração de material ilustrativo sobre propriedade luminescente de íons terras raras para divulgação científica
(Universidade Federal de São Paulo, 2022-01-27)O estudo e desenvolvimento de materiais luminescentes tem sido alvo na aplicação em sistemas ópticos nessa última década. Os íons de terras raras trivalentes (TR3+) utilizados em diferentes materiais são conhecidos por ...
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Estudo das propriedade luminescentes de elastômeros PEBA 2533 contendo complexo de Eu(tta)3(H2O)2
(Universidade Federal de São Paulo, 2020-09-28)Materiais luminescentes, baseados em complexos de -Dicetona de íons terras raras vêm sendo estudados com potenciais aplicações em diversos campos tecnológicos, tais como em camadas emissoras de diodos orgânicos emissores ...
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Estudo das propriedades estruturais, mecânicas e luminescentes de membranas de polímeros provenientes de fontes renováveis contendo íons lantanídeos
(Universidade Federal de São Paulo, 2021-11-12)The use of polymers from renewable sources to originate films and membranes for immobilization of lanthanide ion complexes has gained emphasis in recent years for potential application as luminescent materials. In this ...
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Evolução paleoambiental holocênica do recife de corais mais austral do atlântico: perspectiva sedimentar e ecológica
(Universidade Federal de São Paulo, 2021-07-28)Recentemente um recife de corais marginal subtropical foi descoberto: o Recife da Queimada Grande (RQG). Datações de radiocarbono mostram que o crescimento coralino ocorreu em duas fases: a inicial ocorreu há pelo menos ...
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Fluorescence in complexes based on quinolines-derivatives: a search for better fluorescent probes
(Pergamon-Elsevier Science Ltd, 2016)Quinoline-derived fluorescent complexes were designed
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Glyphosate analysis in water samples by luminescence spectroscopy using lanthanides as chromophores
(Universidade Federal de São Paulo, 2022-03-25)The development of techniques seeking glyphosate’s analysis by analytical methods has been broadly studied for the past years. However, many methods still require expensive resources, making them not so practical. Thus, ...
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Growth, structural and optical characterizations of LiLa(1-x)Eux(WO4)(2) single-crystalline fibers by the micro-pulling-down method
(Elsevier B.V., 2012-03-01)Transparent and uniform LiLa(1-x)Eux(WO4)(2) single-crystalline fibers where x = 0.005, 0.01, 0.03, 0.05, 0.07, 0.1, 0.15, 0.2, 0.25 and 1.0, with an average of 20-40 mm length were obtained by the micro-pulling-down method ...
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Photoluminescence and thermoanalytical studies of complexes based on 5-Cl-8-hydroxyquinoline and calix[4]arene ligands
(Elsevier B.V., 2013-05-01)A innovative 5-Cl-8-oxyquinolinepropoxycalix[4]arene ligand (2) have been prepared, exhibiting, at room temperature, blue fluorescent light emission and resulting in shift band to green fluorescent light (fluorescence mode) ...
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Tm3+ doped barium molybdate: A potential long-lasting blue phosphor
(Elsevier Science Sa, 2018)Molybdates have applications in various fields such as phosphors, optical fibers, scintillators, magnets, sensors and catalysts. Thulium ion is an excellent blue activator and plays an important role in the design of ...
