Research Article

Visible Light Excited Catalysis and Reusability Performances of TiO2@Pr:Y2SiO5 Upconversion Materials

Figure 7

Photodegradation performances of TPY with different content of TiO2. (a) 0%; (b) 1%; (c) 2%; (d) 3%; (e) 4%; and (f) 5%.