Numerical Simulation and Optimization of Inorganic Lead-Free Cs 3 Bi 2 I 9 -Based Perovskite Photovoltaic Cell: Impact of Various Design Parameters

Arnob Das (), Susmita Datta Peu, Md Abdul Mannan Akanda, Mostafa M. Salah (), Md. Sejan Hossain and Barun Kumar Das
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Arnob Das: Department of Mechanical Engineering, Rajshahi University of Engineering & Technology, Rajshahi 6204, Bangladesh
Susmita Datta Peu: Department of Agriculture, Hajee Mohammad Danesh Science and Technology University, Dinajpur 5200, Bangladesh
Md Abdul Mannan Akanda: School of Engineering and Technology, Central Michigan University, Mount Pleasant, MI 48859, USA
Mostafa M. Salah: Electrical Engineering Department, Future University in Egypt, Cairo 11835, Egypt
Md. Sejan Hossain: Department of Mechanical Engineering, Rajshahi University of Engineering & Technology, Rajshahi 6204, Bangladesh
Barun Kumar Das: Department of Mechanical Engineering, Rajshahi University of Engineering & Technology, Rajshahi 6204, Bangladesh

Energies, 2023, vol. 16, issue 5, 1-20

Abstract: The lead halide-based perovskite solar cells have attracted much attention in the photovoltaic industry due to their high efficiency, easy manufacturing, lightweight, and low cost. However, these lead halide-based perovskite solar cells are not manufactured commercially due to lead-based toxicity. To investigate lead-free inorganic perovskite solar cells (PSCs), we investigated a novel Cs3Bi2I9-based perovskite configuration in SCAPS-1D software using different hole transport layers (HTLs). At the same time, WS 2 is applied as an electron transport layer (ETL). Comparative analysis of the various design configurations reveals that ITO/WS 2 /Cs 3 Bi 2 I 9 /PEDOT:PSS/Au offers the best performance with 20.12% of power conversion efficiency (PCE). After optimizing the thickness, bandgap, defect density, and carrier density, the efficiency of the configuration is increased from 20.12 to 24.91%. Improvement in other performance parameters such as short circuit current (17.325 mA/cm 2 ), open circuit voltage (1.5683 V), and fill factor (91.66%) are also observed after tuning different attributes. This investigation indicates the potential application of Cs 3 Bi 2 I 9 as a lead-free and stable perovskite material that can contribute to improving the renewable energy sector.

Keywords: Cs 3 Bi 2 I 9; defect density; ETL; fill factor (FF); HTL; PCE; perovskite solar cell (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2023
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