Investigation of lead-free material for perovskite solar cells

Mohamad Firdaus Chong, Nur Fatin Nabilah (2023) Investigation of lead-free material for perovskite solar cells. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

Due to the development of photovoltaic technology, it is now possible to convert sunlight into electrical energy. With high power conversion efficiency and low cost, perovskite solar cells have advanced for the generation of power in the fields of photovoltaic research. The main issues with lead-based perovskite solar cells are their poor stability and high toxicity. Investigation of environmentally safe lead-free perovskite solar cells have been studied from variety of non-toxic materials, some of which have good optoelectronic properties and can improved device performance. Simulation of tin-based perovskite solar cell is where the lead (Pb) material is substitute with tin (Sn) material, where the tin-based perovskite layer was optimized to achieve the highest efficiency. To analyse the parameters of solar cells configurations such as Power Conversion Efficiency (PCE), Fill Factor (FF), short circuit current density (Jsc) and an open circuit voltage (Voc). Finally, it is expected for the lead-free perovskite solar cells to achieve the PCE of more than 20%.

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