Abstract
Organic-inorganic Perovskites solar cells have recently been recognized as one of the most promising third-generation competitors among solar cells due to their simple and cost-effective solution processing manufacturing capabilities, as well as their strong electrical and optical properties. The main objectives of this study were to identify the most suitable transport layers to use and to figure out the optimal perovskite thickness for higher absorption and efficient transport properties. In this study, the performance of perovskite-based solar cells for three different electron transport materials (ETM) layers—ZnO, TiO <inf xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</inf> , and SnO <inf xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</inf> was evaluated using the Solar Cell Capacitance Simulator (SCAPS)-1D. In the suggested configuration, nickel oxide (NiO <inf xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">x</inf> ) was chosen as the hole transport material (HTM), mixed halide perovskite (CH3NH3PbI3) as the absorber material, and zinc oxide (ZnO), TiO <inf xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</inf> , and SnO <inf xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</inf> as the ETM. Our analysis revealed that Jsc, FF, Voc, and efficiency are all significantly influenced by the type and thickness of the absorber layer in a perovskite solar cell. Perovskite layers containing defects were considered for conducting the analysis. The results demonstrate that by varying the layer thickness, the efficiency of the power conversion may be enhanced. When the thickness is increased PCE increases immediately but it decreases after a period of time. When ETM layer is ZnO, the findings demonstrate a considerable improvement in efficiency (18%).
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