Upconversion Luminescence and Photodegradation Performances of Pr Doped Y₂SiO₅ Nanomaterials

Figure 4

Emission spectra of Y₂SiO₅ doped different concentrations: of Pr(III), (a) 0.0%, (b) 0.47%, (c) 0.77%, (d) 0.96%, (e) 2.95% and (f) 4.93%.