Research Article

One-Pot Template-Free Hydrothermal Synthesis of Monoclinic Hollow Microspheres and Their Enhanced Visible-Light Photocatalytic Activity

Figure 1

XRD patterns of BiVO4 samples prepared with different amount of urea ranging from 0 (A), 3 (B), 6 (C) to 9 g (D) at 180°C for 24 h.
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