Thermodynamic, electronic and optical properties of lead-free Hybrid double perovskite alloys of MA2B+B3+Br6 (B+=Ag, K, Tl, B3+=Bi, Sb, In)

Key Points

• The research aims to investigate the thermodynamic, electronic, and optical properties of lead-free hybrid double perovskite alloys.
• Analyzed different MA2B+B3+Br6 compositions for thermodynamic stability.
• Conducted electronic structure calculations to assess electronic properties.
• Measured optical properties to evaluate absorption capabilities.
• Identified promising compositions for solar cell applications.
• Demonstrated favorable thermodynamic stability in selected alloys.
• Found strong optical absorption in the visible range for hybrid perovskites.