Impact of Preparative pH on the Morphology and Photocatalytic Activity of BiVO₄

Figure 2

XRD patterns of samples under different pH. (▵—tetragonal zircon type, •—monoclinic scheelite type). (a) pH = 1.0, (b) pH = 3.0, (c) pH = 5.0, (d) pH = 7.0, (e) pH = 10.0.