In this study, the performance of the AZO/ZnO/CdS/CIGS solar cell configuration was measured by using the AFORS-HET numerical simulation program, which aimed to formulate an optimal design. The numerical simulation of the aforementioned solar cell arrangement demonstrates that it is possible to achieve an efficiency of 9.28% with a thickness of 1μm, this result is consistent with the experimental conclusion (where the efficiency was 9.65% for a thickness of 1μm). Through the use of simulation results, we improved the above-mentioned cell by changing the thickness, concentration, and band gap. It shows that the maximum efficiency (Eff) of this solar cell can reach 17.46% during the optimization for this configuration, which can be obtained at a thickness of 3μm for CIGS layer and at 1.5 AM standard illumination.
In this paper, measurements were carried out of the calculated attenuation of the ranges gamma rays energy (279,356,479,662) KeV and using radioactive sources (Hg 203 , Ba 133 , W 189 , Cs 137 ). In the current results has determined (μ L , μ m ) by using Monte Carlo simulation (i.e. through the account of each of the intensity falling and intensity transmit in samples proposed in search ) .permission has been drawing relationship graphs between the logarithm of the absorbance and thickness proposed for each of the ionic crystals (CsI, CdTe), hence slope graphs relationship represents attenuation coefficient linear and thereafter are calculated attenuation coefficient mass through during the relationship the following (μ m = μ L / ρ), and the results showed the current search using the Monte Carlo that the values of coefficients mass attenuation of gamma rays in crystals (CsI, CdTe) converge and overlap with each other at high energies the fact that the attenuation depends vitally on Compton scattering , either the values of attenuation coefficients linear showed a variation the obvious fact that the attenuation coefficient depends on the density of the absorbed . Addition, the study was examine to calculate the total atomic cross section and electron density, and the results of thisstudy showed good agreement with the XCOM package.
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