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Design and simulation of inorganic perovskite solar cell

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Abstract

The design and performance of inorganic tin-based perovskite known as cesium tin iodide (CsSnI3), which serves to be an alternative for conventional toxic lead-based solar cells have been reported. The designed solar cell has been optimized by varying parameters such as active layer thickness, absorber defect density and work function of the bottom electrode. The optimal thickness of the perovskite layer has been found to be 400 nm that leads to a performance improvement of ~ 8%. The final optimized solar cell has reached a Fill factor (FF) of 85.44%, a short-circuit current density (Jsc) of 31.12 mA/cm2, a power conversion efficiency (PCE) of 32.36%, and an open-circuit voltage (Voc) of 1.22 V. The device has been successfully compared with the previous works to showcase its performance enhancement. Also, the optical and electrical properties of the device such as absorption coefficient, indirect and direct bandgap transition, capacitance–voltage and conductance–voltage characteristics have been obtained and analysed with the help of Tauc and Bode plots. This study also suggests a low-cost perovskite solar cell, which is free from carcinogenic agents that can be used for solar energy harvesting in a larger scale.

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Acknowledgements

The authors would like to thank Alex Niemegeers, Marc Burgelman, Koen Decock, Stefaan Degrave, Johan Verschraegen from the Department of Electronics and Information Systems (ELIS), University of Gent, Belgium for providing the solar cell capacitor simulator-one dimensional (SCAPS) software.

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The authors did not receive support from any organization for the submitted work.

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All authors contributed to the study conception and design. Device modelling and analysis were performed by JPAJ, and DJM. The first draft of the manuscript was written by JPAJ and all authors commented on previous versions of the manuscript. All authors read and approved the final manuscript.

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Correspondence to D. Jackuline Moni.

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Jebakumar, J.P.A., Moni, D.J., Gracia, D. et al. Design and simulation of inorganic perovskite solar cell. Appl Nanosci 12, 1507–1518 (2022). https://doi.org/10.1007/s13204-021-02268-7

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  • DOI: https://doi.org/10.1007/s13204-021-02268-7

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