Fig. 5

(a) UV-Vis absorption spectra (b) (αhυ)2 versus Energy (hυ) curves for the nanocomposite films with different SnO2 concentrations.
(a) UV-Vis absorption spectra (b) (αhυ)2 versus Energy (hυ) curves for the nanocomposite films with different SnO2 concentrations.