Study of Effect of Temperature on Lead Free Cesium-Based Double Perovskite Solar Cell by Using SCAPS-1D.

The pernicious and stability concerns of lead based perovskite solar cells have limited the commercialization. The lead-free Cesium based double perovskite could be a viable answer to these issues. It exhibits encouraging optoelectronic properties, high environmental stability and low toxicity. In this present work a theoretical analysis of Cesium based double perovskite solar cell using Spiro-OMETAD as hole transport layer and SnO2 as ETL has been studied. The double perovskite Cs₂AgBiBr₆ has good optical and electronic features. For this study, a device structure of FTO/SnO₂/Cs₂AgBiBr₆/Spiro-OMeTAD/Cu was simulated. The Solar Cell Capacitance Simulator (SCAPS-1D) was used for one dimensional simulation and analysis. The optimized active layer of 0.3 µm was used for the study. PCE, V_oc, J_sc and FF were obtained using Spiro OMETAD as HTL and SnO₂ as ETL. The maximum PCE of 10.6675% and the maximum quantum efficiency of 86.17025% were found at 275 K working temperature. The simulation results obtained in this study are encouraging. It will provide insightful guidance in replacing commonly used toxic Pb-based perovskite with eco- friendly, highly efficient inorganic double perovskite solar cell [ABSTRACT FROM AUTHOR]