Computational insights into FAPbI3 with TiO2-ZnO as electron transport layer: A theoretical analysis
Keywords:Perovskite, Model-based design, Solar Cells, Computational Modelling, Material Science, Nanostructures
Methylammonium lead triiodide (MAPbI3)-based perovskite photovoltaic cell's stability is lower than that of its formamidinium lead triiodide (FAPbI3)-based counterparts. Despite this, MAPbI3 solar cells offer a unique benefit regarding total power conversion efficiency (PCE). The PCE of FAPbI3 solar cells was improved while maintaining their thermal stability. To determine essential parameters, the inquiry consults a variety of theoretical and experimental sources. Variations in the defect density, thickness of layers, and level of doping of the absorption layer, which is the electron transport layered (ETL), as well as the hole transportation layer (HTL) are taken into consideration, and the ideal parameters are found by a methodical examination. For the configuration FTO/TiO2/ZnO/FAPbI3/Spiro-OMeTAD/Au, the best simulation result, providing a PCE of 28%, is obtained using an open-circuit voltage (VOC), a circuit that is shorted current of 26.62 mA/cm2, and a fill-factor (FF) of 88.5%. The suggested structure has strong thermal durability at 300 K. The effects of various transportation multiple layers affect energy band alignment, electrical field, and Recombination, and the IV properties are also thoroughly investigated.
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Copyright (c) 2023 Ankit Mishra, Manoj Kumar Nigam
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