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Enhanced red luminescence in LnVO 4 : Bi 3+ , Eu 3+ @ SiO 2 phosphors has been improved mainly in three stages by investigating the effects of: (i) host composition (Gd, Y and Gd/Y), (ii) co-doping Bi 3+ as a sensitizer and finally (iii) SiO 2 shell coating. XRD data revealed that the produced phosphors possess crystalline, pure phase with tetragonal...
Vanadate based down conversion phosphors have been synthesized by a novel co-precipitation technique. The effect of pH on crystal structure, particle size, morphology and luminescence properties were investigated by XRD, SEM-EDAX, FT-IR and PL measurements. As different from other reports (blue, green emission) the produced phosphors have shown greenish–yellow emission, owing to their fine particle...
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