Role of Hydrogen Peroxide in Tin Dioxide Preparation

摘要

Tin dioxide, SnO_2, is a semiconductor exhibiting good electric conductivity, optical transparency and reflectivity in infrared irradiation. This material can be used in many applications, such as transparent electrodes for displays (1), solar cells (2, 3), semiconductor technology (4), gas sensors (5), heating elements or electromagnetic shielding and antistatic surfaces (6). Various technologies for thin layer deposition are under investigation nowadays. Magnetron sputtering (7), electro-deposition (8), spray pyrolysis deposition (2), methods based on CVD (9) or dip-coating (1) are among them. The spray deposition is rather cheap and does not require any sophisticated device.rnHigh optical transmittance of the tin dioxide thin films at the current low value of sheet resistance is particularly important for use in displays and solar cells. The method described here helps to improve the properties of these layers, it is also possible to use it while another dopants are added.