Preparation and Characterization of Highly Efficient and Stable Visible-Light-Responsive Photocatalyst AgBr/Ag₃PO₄

Figure 5

(a) DRS of AgBr, Ag₃PO₄, and BP-0.3 samples. (b) DRS of the fresh BP-0.3, the used one time BP-0.3, and the used five times BP-0.3.

(a)

(b)