Browsing by Author "Nnamdi V. Ogueke"

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    SCAPS-1D simulated organometallic halide perovskites: A comparison of performance under Sub-Saharan temperature condition
    (Heliyon 10 (2024) e29599, 2024-04-13) YUSUF Abubakar Sadiq; Anthony C. Ozurumba; Nnamdi V. Ogueke; Chinyere A. Madu; Philibus M. Gyuk; Ismail Hossain
    Heliyon 10 (2024) e29599 Available online 15 April 2024 2405-8440/© 2024 The Author(s). Published by Elsevier Ltd. This is an open access article under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).Research article SCAPS-1D simulated organometallic halide perovskites: A comparison of performance under Sub-Saharan temperature condition Anthony C. Ozurumba a,*, Nnamdi V. Ogueke b, Chinyere A. Madu c, Eli Danladi d, Chisom P. Mbachu e, Abubakar S. Yusuf f, Philibus M. Gyuk g, Ismail Hossain h a Africa Center of Excellence in Future Energies and Electrochemical Systems, Federal University of Technology, Owerri, Imo State, Nigeria b Department of Mechanical Engineering, Federal University of Technology, Owerri, Imo State, Nigeria c Department of Physics, Federal University of Technology, Owerri, Imo State, Nigeria d Department of Physics, Federal University of Health Sciences, Otukpo, Benue State, Nigeria e Department of Electrical/Electronic Engineering, Federal University of Technology, Owerri, Imo State, Nigeria f Department of Physics, Federal University of Technology, Minna, Niger State, Nigeria g Department of Physics, Kaduna State University, Kaduna, Kaduna State, Nigeria h School of Natural Sciences and Mathematics, Ural Federal University, Yekaterinburg, 620000, Russia A R T I C L E I N F O Keywords: OHP SCAPS-1D Perovskites Temperature Graphene Sub-sahara A B S T R A C T Photovoltaic technology has been widely recognized as a means to advance green energy solu- tions in the sub-Saharan region. In the real-time operation of solar modules, temperature plays a crucial role, making it necessary to evaluate the thermal impact on the performance of the solar devices, especially in high-insolation environments. Hence, this paper investigates the effect of operating temperature on the performance of two types of organometallic halide perovskites (OHP) - formamidinium tin iodide (FASnI3) and methylammonium lead iodide (MAPbI3). The solar cells were evaluated under a typical Nigerian climate in two different cities before and after graphene passivation. Using a one-dimensional solar capacitance simulation software (SCAPS-1D) program, the simulation results show that graphene passivation improved the conversion effi- ciency of the solar cells by 0.51 % (FASnI3 device) and 3.11 % (MAPbI3 device). The presence of graphene played a vital role in resisting charge recombination and metal diffusion, which are responsible for the losses in OHP. Thermal analysis revealed that the MAPbI3 device exhibited an increased fill factor (FF) in the temperature range of 20–64 ◦C, increasing the power conversion efficiency (PCE). This ensured that the MAPbI3 solar cell performed better in the city and the season with harsher thermal conditions (Kaduna, dry season). Thus, MAPbI3 solar cells can thrive excellently in environments where the operating temperature is below 65 ◦C. Overall, this study shows that the application of OHP devices in sub-Saharan climatic conditions is empirically possible with the right material modification