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Title: Synthesis, photoluminescence and thermal quenching of YAG:Ce phosphor for white light emitting diodes
Authors: Lakshmanan, Arunachalam
Kumar, R Satheesh
Sivakumar, V
Thomas, Preema C
Jose, M T
Keywords: YAG:Ce;Blue and white LED;Phosphor;Photoluminescence;Thermal quenching
Issue Date: May-2011
Publisher: NISCAIR-CSIR, India
Abstract: The synthesis route at low temperature for Ce-doped yttrium aluminium garnet (YAG:Ce) phosphor is described. Its photoluminescence efficiency and quenching temperature dependence characteristics are found to be comparable to the imported one. YAG:Ce shows least thermal quenching among the several blue LED phosphors [CaS:Eu2+, (Y,Gd)3Al5O12:Ce3+, SrS:Eu2+ and SrGa2S4:Eu2+].
Page(s): 303-307
ISSN: 0975-1041 (Online); 0019-5596 (Print)
Appears in Collections:IJPAP Vol.49(05) [May 2011]

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