Research Article

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

Table 1

Roughness and grain size of TiO2 and TiO2/sensitizer thin films.

Thin filmsGrain size (nm)Roughness (nm)

ZnO19018.4
ZnO:Ag (1%)13025.7
ZnO:Ag (5%)12036.6