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Updated: Jan 14, 2026
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Influence of Hybrid Perovskite Fabrication Methods on Film Formation, Electronic Structure, and Solar Cell Performance
Published on: February 27, 2017
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Design and simulation of high efficiency KSnI3 based perovskite solar cells using DFT and SCAPS-1D
A Yousfi1, O Saidani2, A Benmakhlouf3
1ETA Laboratory, Department of Electronics, Faculty of Sciences and Technology, University Mohamed El Bachir El Ibrahimi of Bordj Bou Arréridj, 34030, Bordj Bou Arreridj, Algeria.
Scientific Reports
|October 23, 2025
Summary
This study introduces a new KSnI₃ solar cell design using CeO₂ and CBTS layers. Simulations show a power conversion efficiency of 13.46%, offering insights for future KSnI₃ solar cell research.
Area of Science:
- Materials Science
- Renewable Energy
- Solid-State Physics
Background:
- Perovskite solar cells offer high efficiency but stability challenges remain.
- Developing novel heterostructures is crucial for advancing solar cell technology.
- KSnI₃ presents a promising material for efficient and stable solar energy conversion.
Purpose of the Study:
- To design and simulate a novel KSnI₃-based heterostructure solar cell.
- To investigate the impact of electron and hole transport layers on device performance.
- To optimize key parameters for enhanced power conversion efficiency (PCE).
Main Methods:
- Density Functional Theory (DFT) for material property characterization.
- SCAPS-1D software for solar cell device simulation.
- Systematic variation of KSnI₃ layer thickness, defect density, and electron affinity.
Main Results:
- The proposed ITO/CeO₂/KSnI₃/CBTS/Ag structure achieved a PCE of 13.46%.
- Optimized parameters include KSnI₃ thickness (1.4 μm), defect density (10¹⁴ cm⁻³), and electron affinity (3.44 eV).
- Simulated results show good agreement with experimental data, validating the model.
Conclusions:
- The novel KSnI₃ heterostructure design demonstrates significant potential for high-performance solar cells.
- The study provides valuable insights for optimizing KSnI₃-based solar cell fabrication and performance.
- Further research is encouraged to experimentally validate these simulation findings.
