Tin dioxide
Tin dioxide (SnO2), an important type of semiconductor with a wide band gap (Eg = 3.6 eV), exhibits excellent optical, electrical, and chemical properties and high thermal stability. In recent years, doped SnO2 and SnO2- based materials, such as Sb-doped SnO2, Mn-doped SnO2, Zn2SnO4, Cd2SnO4, and so on, have been extensively studied due to their special optical and electrical properties. During the past few years, these materials have been prepared by many techniques such as sol-gel, simple ther