Effect of solvent on luminescence properties of re-dispersible LaF3:Ln3+(Ln3+=Eu3+, Dy3+, Sm3+ and Tb3+) nanoparticles

Emission spectra of LaF3:Ln3+ (Eu3+, Dy3+, Sm3+) re-dispersed in water (Inset is the photographic picture of the as-prepared nanoparticles taken when the sample is loaded on the solid sample holder under UV-light)