Tunable Band Gap Energy of Mn-Doped ZnO Nanoparticles Using the Coprecipitation Technique

Figure 3

FTIR spectrum of Mn-doped ZnO nanoparticles with (a) 3 mol%, (b) 5 mol%, (c) 10 mol%, (d) 15 mol%, and (e) 20 mol% of Mn dopant concentrations.