INVESTIGATION OF LEAD-FREE BISMUTH PEROVSKITE BY NUMERICAL SIMULATION USING SCAPS
Abstract:
Lead-based perovskite materials have gained significant attention for their exceptional optoelectronic properties. However, the presence of toxic lead (Pb) in these materials raises environmental concerns and hinders their large-scale implementation. As a promising alternative, lead-free perovskites, such as bismuth-based compositions, have emerged as potential candidates for sustainable and environmentally friendly photovoltaic applications. In this study, we investigate the optoelectronic properties of lead-free bismuth perovskite using numerical simulations conducted with the SCAPS (Solar Cell Capacitance Simulator) software.
The numerical simulation approach allows us to analyze the performance of lead-free bismuth perovskite solar cells under various operating conditions. We employ the SCAPS software, which is widely recognized for its accuracy in simulating the behavior of solar cells. By inputting the material parameters and device architecture, we simulate the energy band alignment, carrier transport, and photovoltaic characteristics of the lead-free bismuth perovskite solar cells.
Through SCAPS simulations, we evaluate the impact of different factors, such as composition, doping, and device architecture on the performance of lead-free bismuth perovskite solar cells. We systematically investigate the influence of various parameters on the efficiency, open-circuit voltage, short-circuit current, and fill factor of the devices. Additionally, we explore the stability and reliability of lead-free bismuth perovskite solar cells under different environmental conditions.
The numerical simulation results provide valuable insights into the underlying physics and performance limitations of lead-free bismuth perovskite solar cells. Furthermore, the simulations guide the optimization of material composition and device architectures to enhance the power conversion efficiency and stability of these environmentally friendly photovoltaic devices.
Overall, this study demonstrates the potential of numerical simulations using SCAPS as a powerful tool for the design, optimization, and understanding of lead-free bismuth perovskite solar cells. The findings contribute to the development of sustainable and efficient photovoltaic technologies, reducing the reliance on toxic lead-based materials and promoting the adoption of environmentally friendly alternatives
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