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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)...
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...
Polycrystalline thin film CdTe shows great promise for efficient, low-cost photovoltaics (PV) cell. A numerical analysis was conducted utilizing AMPS simulator to explore the possibility of higher efficiency and stable CdS/CdTe cell among seven different cell structures with tin oxide (SnO2) and cadmium stannate (Cd2SnO4) as front contact layer, zinc oxide (ZnO) and zinc stannate (Zn2SnO4) as buffer...
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