Rare Earth Free Zn₃V₂O₈ Phosphor with Controlled Microstructure and Its Photocatalytic Activity

Figure 8

SEM micrographs of Zn₃V₂O₈ phosphor synthesized by hydrothermal methods: (a) hydrothermally treated at 150°C for 24 h, (b) image “a” at higher magnification, (c) hydrothermally treated at 150°C for 24 h and then treated at 700°C for 12 h, and (d) hydrothermally treated at 150°C for 24 h and then treated at 800°C for 12 h.

(a)

(b)

(c)

(d)