CLAUDIA AKEMI KODAIRA GOES

CLAUDIA AKEMI KODAIRA GOES

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Sintese, caracterizacao e estudo espectroscopico do composto de GdVOsub(4) dopado com Smsup(3+)
2009 - KODAIRA, CLAUDIA A.; LOURENCO, ANA V.S.; NUNES, KATIA C.; RODRIGUES, LUCAS C.V.; BRITO, HERMI F.; FELINTO, MARIA C.F.C.
Persistent luminescence BaAlsub(2)Osub(4):Eusup(2+), Dysup(3+) phosphor incorporated in silica: water resistance
2009 - LOURENCO, A.V.S.; RODRIGUES, L.C.V.; KODAIRA, C.A.; STEFANI, R.; BRITO, H.F.; FELINTO, M.C.F.C.; HOLSA, J.
Barium aluminates doped with divalent europium and trivalent dysprosium were prepared with the combustion method and then incorporated with silica using the microemulsion method. The incorporated phosphor particles showed improved water resistance, preserving much of the prior persistent luminescence properties even after interaction with water whereas the nonincorporated particles loosed the original persistent luminescence. The infrared absorption spectroscopy, X-ray powder diffraction (XRD), scanning electron microscopy (SEM) and photoluminescence studies were used to characterize the phosphors. The pH of the phosphor-water mixture after the reaction with water was measured to compare the water resistance of the materials. The photoluminescence of the incorporated BaAl2O4:Eu2+,Dy3+ with water modified slightly the 4f6 5d1 →4f7 transition of Eu2+, however.
Persistent luminescence of barium aluminate doped with Eusup(2+) prepared by the combustion method
2008 - RODRIGUES, L.C.V.; STEFANI, R.; CARVALHO, C.A.A.; BRITO, H.F.; KODAIRA, C.A.; FELINTO, M.C.F.C.; HOLSA, J.
Encapsulation study of persistent luminescent material in silica
2008 - LOURENCO, A.V.S.; RODRIGUES, L.C.V.; KODAIRA, C.A.; STEFANI, R.; CARVALHO, C.A.A.; BRITO, H.F.; FELINTO, M.C.F.C.; HOLSA, J.
Preparacao do aluminato de bario dopado com Eusup(2+), Dysup(3+) com luminescencia persistente utilizando mineralizadores
2007 - STEFANI, ROBERVAL; RODRIGUES, LUCAS C.V.; KODAIRA, CLAUDIA A.; FELINTO, MARIA C.F.C.; FALLA, MARIA P.H.; BRITO, HERMI F.
Orange persistent luminescence of Prsup(3+) doped in cadmium silicates
2007 - RODRIGUES, L.C.V.; STEFANI, R.; KODAIRA, C.A.; FELINTO, M.C.F.C.; BRITO, H.F.
Effect of mineralizers in the persistent luminescence of barium aluminate doped with rare earths
2007 - RODRIGUES, L.C.V.; STEFANI, R.; KODAIRA, C.A.; FELINTO, M.C.F.C.; BRITO, H.F.
Blue luminescent materials containning Eusup(2+) and Dysup(3+) ions doped in barium aluminate? preparation and optical properties
2007 - STEFANI, R.; RODRIGUES, L.C.V.; KODAIRA, C.A.; FELINTO, M.C.F.C.; BRITO, H.F.
Green luminescence of Tbsup(3+) doped in cadmium silicate
2007 - STEFANI, R.; RODRIGUES, L.C.V.; KODAIRA, C.A.; FELINTO, M.C.F.C.; BRITO, H.F.
White persistent luminescence of silicates doped with Dysup(3+)
2007 - PAOLINI, T.B.; STEFANI, R.; RODRIGUES, L.C.V.; KODAIRA, C.A.; LORENCO, A.V.S.; FELINTO, M.C.F.C.; BRITO, H.F.