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Study of Organo Halide Perovskite Absorber Layer in performance of solar cells
Haseeb Ahmed, Mohsin Ali Khan, Shamshad Ahmed
ABSTRACT: Due to their high efficiency and low cost of manufacture, single junction solar cells with perovskite absorbers and front and back electrodes offer excellent photoelectric properties. The use of a lead-free perovskite absorber layer in solar cell PSC composition promotes industrial application, thus the quest for environmentally safe and non-toxic perovskite solar cell PSC composition with the highest possible efficiency is being studied in various materials around the world. In this work, the solar cell capacitance simulator (SCAPS) is used to provide a comprehensive research for achieving greater energy conversion capacity of lead-free tin (Ge) based perovskite as an absorber layer. The understanding and appropriateness of TiO2 as an electron transport layer (ETL), CH3NH3GeI3 as a perovskite absorber layer, and Mo as a hole transport layer (HTL) have been conferred. The PCE achieved in this work for an optimized parameter is found to be the best possible value of 12.54% with an FF of 83.5% has been achieved for this configuration of PSC at 300K other electrical parameter like Voc And Jsc are found to be 0.925V and 17.518 mA/cm2 . The ETL, HTL, and absorber thicknesses are optimized to be 0.033µm, 0.2143µm, and 4.4 µm, respectively, which is the optimized value for maximum FF % and efficiency due to the generation of additional charge carriers under standard operating conditions.
Keywords PSC, ETL, HTL, SCAPS
Received: 02-05-2024;
Revised: 18-05-2024;
Accepted: 19-05-2024;
Published: 19-05-2024