Thin film Si solar cell and surface plasmon polaritons (SPPs) effects on solar cell efficiency, series resistance and shunt resistance are studied and analyzed in this work. The different surface plasmon polaritons (SPPs) shapes and their effects on the optical, electrical properties and therefore on the efficiency of thin film solar cell are studied in this work. This study is introduced using 3D numerical simulation results. The semiconductor and electromagnetic models are incorporated for studying the electrical and optical behaviors of the thin film solar cells, respectively. A 14.76% efficiency is obtained for triangle' SPPs of about 1.07% of efficiency improvement compared to solar cell of SPPs free. The solar cell electrical parameters also are extracted in this work based on a single diode equivalent model. The series resistance is enhanced for solar cells of equilateral triangle SPP by 3% compared to the non-applied SPPs.
In this work, the temperature effects on the PV’s electrical and optical parameters of different surface gratings are studied. A 3D simulation is introduced for studying the PV’s electrical parameters such as short circuit current, open circuit voltage and efficiency at different levels of temperature with and without surface’s gratings. We observed that the efficiency is increased for PV of surface grating by about 4.87% compared to the free grating surface’s PV. The efficiency of the PV efficiency is degraded as we increased the temperature above 300K. The solar cell efficiency of gratings free is aggressively degraded compared to the solar cell that includes gratings by about 4.89% at 360K. The electrical parameters such as the open circuit voltage and short circuit current are enhanced compared to the PV of surface grating free. Also, we observed that the triangle grating geometry of dimensions about 10×10 nm produced a higher efficiency compared to the other PV of other grating geometries of same dimensions.
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