Improved carrier transport in Mn:ZnSe quantum dots sensitized La-doped nano-TiO2 thin film
Li Shao, Li Gang, Yang Li-Shuang, Li Kui-Ying
       

SEM images of the mesoporous La-doped nano-TiO2 thin film before sensitized (a) and after sensitized (b) by the Mn-doped ZnSe QDs. The inset in (a) gives the thickness of the nano-TiO2 thin film with 3 layers. Film thicknesses were recorded by XP-2 Stylus Profilometer (USA).