Research Article

Fabrication of ZnO and ZnO:Sb Nanoparticles for Gas Sensor Applications

Figure 9

( 𝛼 𝜐 )2 versus energy (eV) for ZnO films: (a) pure, (b) doped with 3 wt% Sb, (c) doped with 5 wt% Sb, and (d) doped with 10 wt% Sb.
341841.fig.009