Strain regulation for Phase-Pure and Stable Wide-Bandgap FAPbBr₃ Perovskites Solar Cells

Key Points

• The aim focuses on achieving phase-pure and stable wide-bandgap perovskite solar cells.
• Utilizing strain regulation techniques for perovskite crystal structures
• Evaluating the open-circuit voltage in solar cell architectures
• Characterizing stability and photoinactive phases
• Achieved phase-pure FAPbBr₃ perovskites with enhanced open-circuit voltages
• Demonstrated improved stability under operational conditions
• Found optimal strain configurations reducing photoinactive phase formation