Investigation of lead-free perovskite MASnI3 based solar cells using SCAPs simulation

Zainul Abiddin, Luqman Hakim (2024) Investigation of lead-free perovskite MASnI3 based solar cells using SCAPs simulation. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

Perovskite solar cells (PSC) have attracted significant attention in recent years due to their rapid advances in power conversion efficiency (PCE), cost-effectiveness, and simplified synthesis process. However, challenges related to perovskite stability and the use of toxic lead as a component are hindering the widespread adoption of perovskite-based solar cells. This study focuses on the optimization of the MASnI3-based absorber layer in the PSC structure, including the electron transport layer (ETL) and hole transport layer (HTL), by using SCAPs software device simulation. This study investigates the influence of various parameters on the performance of solar cells. The simulation results show that each layer plays a crucial role in determining the overall performance of PSCs and that optimizing these layers significantly increases their efficiency. The optimized structure for lead-free PSC using TiO2 as ETL shows remarkable PSC performance with parameters such as Jsc (33.8766 mA/cm2), Voc (1.1419 V), FF (88.95) and PCE (34, 41%). Meanwhile, the optimized structure for lead-free PSC using SnO2 as ETL shows exceptional performance in perovskite solar cells (PSCs), with parameters such as Jsc (33.6529 mA/cm2), Voc (1.1414 V), FF (89.02) and PCE (34.19%) due to comprehensive parameter analysis.

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