The research aims to enhance the stability and efficiency of perovskite-organic tandem solar cells through defect passivation.
In situ formation of Pb-O arrays on the perovskite surface
Assessment of defect passivation effects
Analysis of energetics homogenization and ion migration suppression
Effective passivation of Pb2+ defects
Improved energetic uniformity in the solar cells
Reduced ion migration in the system
Abstract
Periodic Pb–O arrays in situ formed on the perovskite surface, effectively passivating Pb 2+ defects, homogenizing energetics, and suppressing ion migration.