Photocatalytic Activity of TiO₂-WO₃ Composites

Figure 2

XRD patterns of (a) TiO₂, (b) TiO₂-WO₃-3%, (c) TiO₂-WO₃-10%, and (d) TiO₂-WO₃-90% photocatalysts: (1) as received, (2) 400^∘C-treated, (3) 600^∘C-treated.

(a)

(b)

(c)

(d)