Fig. 7

Degradation rate of MB after UV irradiation as a function of time for pure ZnO, pure SnO2 and for ZnO−SnO2 thin films having different percentages of tin.
Degradation rate of MB after UV irradiation as a function of time for pure ZnO, pure SnO2 and for ZnO−SnO2 thin films having different percentages of tin.