X-ray diffraction patterns of solid state YBO3:Eu3+ phosphors with different amounts of flux compounds (a) LiCl, (b) BaCl2 and (c) CaCl2.
SEM images of synthesized solid state YBO3:Eu3+ phosphors with (a) no flux, (b) 2 wt.% LiCl, (c) 5 wt.% LiCl, (d) 10 wt.% LiCl, (e) 2 wt.% BaCl2, (f) 5 wt.% BaCl2, (g) 10 wt.% BaCl2, (h) 2 wt.% CaCl2, (i) 5 wt.% CaCl2 and (j) 10 wt.% CaCl2.
Variation of phosphor particle size versus flux quantities.
Photoluminescence spectra (a) excitation (λem = 592 nm) and (b) emission (λexc = 240 nm) of solid state synthesized YBO3:Eu3+ phosphors, and the influence of different weight percentages of (c) LiCl, (d) BaCl2 and (e) CaCl2 fluxes (λexc = 240 nm) in YBO3:Eu3+ phosphors.