Preparation of the nanocrystalline CdSe thin films by Chemical Bath Deposition method in low-temperature

In recent years, thin films of cadmium- selenide (CdSe) because of their application in optoelectronic devices Photoelectrochemical cells, lasers,thin film transistors, sensors and ect have been attracted[1].Among various method used for preparing thin films of CdSe chemical bath deposition is an easy ,convenience, fast and economically viable method. Also this method in comparison with other methods accomplish in relatively low temperature and therefore deposition process needs less energy .This technique does not need sophisticated and expensive instrument's such as physical and chemical evaporation devices[2].Effective parameters in this method such as temperature, pH, solution concentration , stirring rate , ect are easily controllable and can to orientations and good films with high quality can be obtained with conducting this parameter in chemical deposition[3,4].