Synthesis and photoluminescence properties of microcrystalline Sr2ZnWO6:RE3+ (REÂ =Â Eu, Dy, Sm and Pr) phosphors

CIE chromaticity coordinate diagram (1931) indicating different colors of Sr2ZnWO6:RE3+ (RE = Eu (a), Dy (b and c), Sm (d-f) and Pr (g and h)) phosphor under different excitation 466 nm (a), 312 nm (b), 454 nm (c), 313 nm (d), 408 nm (e), 482 nm (f), 315 nm (g) and 450 nm (h).104