Abstract
Inorganic-organic perovskite solar cell (PSC) is highly promising for researchers among all third generation solar cells because of its low cost fabrication and rapid efficiency progression. Even though Pb-based perovskite solar cell obtained better efficiency but toxicity and minimal stability of Pb is a critical issue and therefore Sn-based perovskite solar cell is very popular for current research. Hence, this paper focuses on the determination of the efficiency of both Pb-based and Sn-based perovskite solar cell. Total eight different types of pervoskite solar cell structures have been simulated using SCAPS-ID for both Pb-based and Sn –based PSCs by varying ETL and HTL using bandgap of 1.50 eV and 1.24 eV respectively. Based on the simulation results for structure TCO/ZnO/CH3NH3PbI3/CuI/Pt maximum efficiency has been obtained 23.20% with FF 83.51%, VOC 1.0735 V and JSC 25.88 mA/cm2 at 300K and for TCO/TiO2/CH3NH3SnI3/CuI/Au maximum efficiency has been found 33.41% with FF 89.03%, VOC 1.1169 V and JSC 33.60 mA/cm2 at 300K. The influence of temperature on efficiency of PSCs has also been observed from 300K to 400K. The results suggest that higher efficiency lead-free Sn-based organic perovskite solar cell could be more efficient and environment friendly.
Published Version
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