PbI 2 interface reconstruction suppresses ion migration for stable planar perovskite solar cells

Key Points

• Achieving an efficiency of 25.14% represents a significant advancement in solar cell performance.
• Key evidence shows that the redistribution of PbI2 from the interface improves stability.
• The approach utilized for this enhancement involved multi-interface PbI2 reconstruction with the BBCA molecule.
• This finding highlights the potential for stable solar cells, suggesting further applications in renewable energy.