Methylene Blue Photodegradation under Visible Irradiation on Ag-Doped ZnO Thin Films

Figure 7

(a) Reflectance diffuse spectra for both ZnO and ZnO:Ag thin films. (b) Kubelka-Munk plots and band gap energy estimation for both ZnO and ZnO:Ag thin films.

(a)

(b)