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Thin films of ZnO were deposited on cleaned soda lime glass substrates by using RF magnetron sputtering technique for deposition time of 20mins, 40mins, 60mins, 80mins and 100mins at room temperature. The structural and electrical properties of ZnO thin films were obtained from X-ray diffraction (XRD), Atomic force microscopy (AFM) and Hall Effect measurement. XRD results confirm the presence of (002)...
Firstly, Cadmium Telluride (CdTe) thin films have been deposited on cleaned soda lime glass substrates at 300°C by using the RF magnetron sputtering technique. After that, Cu thin film was deposited for 5 minutes at 200°C on top of CdCl2 treated CdTe thin films by sputtering. Subsequently, CdTe and Cu stacks were annealed at 400°C for 15 minutes, 20 minutes and 25 minutes in a vacuum furnace. The...
The efficiency of CdTe based solar cell can be increased using ternary CdZnTe material as absorber layer. Cd1−xZnxTe has tunable bandgap depending on the composition. In this work the bandgap of CdZnTe layer (1.57 eV) which is in the optimum range, can be achieved with Zn composition of x=0.1. First the carrier concentration of absorber layer in the baseline case is increased then the thicknesses...
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