INFLUENCE OF THE GROWTH AND POST DEPOSITION PROCESS ON THE PROPERTIES OF CdS THIN FILMS PREPARED BY CHEMICAL BATH DEPOSITION

Abstract

Studies of the properties of CBD-CdS thin films grown under variable conditions have been carried out. In particular,the influence of temperature, concentration of the reactants, application of a magnetic DC field and thermal annealing on the optical properties of the CDB-CdS has been studied. In this work, we are focusing our interest in the influence of the combination of the last two conditions, i.e., magnetic field application and annealing at 65, 75 and 85°C and a fixed c(thio)/c( Cd 2+) (ratio=1) on the band gap energy of CBD-CdS thin films for its use in solar cell as window material. The results about the influence of the substrate temperature and c(thio)/c( Cd 2+) ratios in the final thickness of the layers is also presented.