Synthesis of Spherical Bi₂WO₆ Nanoparticles by a Hydrothermal Route and Their Photocatalytic Properties

Figure 2

SEM images of Bi₂WO₆ particles. (a) 200°C-24 h, (b) 140°C-24 h, and (c) 200°C-8 h.

(a)

(b)

(c)