Review Article

Photocatalysis and Bandgap Engineering Using ZnO Nanocomposites

Figure 1

Stick and ball representation of different ZnO crystal structures: (a) cubic rocksalt, (b) cubic zinc blende, and (c) hexagonal wurtzite. The shaded gray and black spheres denote Zn and O atoms, respectively [96].
(a)
(b)
(c)