This research demonstrates how defect passivation improves power conversion efficiency in tin perovskite solar cells, suggesting stability can be enhanced.
Key Points
The introduction of 4-aminobenzonitrile significantly reduced defect concentration in tin perovskite solar cells, improving their efficiency.
Power conversion efficiency increased from 9.77% to 11.09% after effective defect passivation, indicating a substantial performance gain.
Enhanced carrier separation and extraction were observed as a result of reduced carrier recombination, leading to improved photovoltaic performance.
The study establishes that the interaction between π-conjugated molecules and tin perovskite can delay crystal growth, contributing to better stability.