Adding small amount of pyrrodiazole to formamidinium iodide perovskite thin-films for 20.3% efficient solar cells

https://techxplore.com/news/2025-03-perovskite-solar-cells-efficiency-heights.html

"overcomes degradation/ efficiency issues... improves its stability during crystallization, leading to stronger bonds between PbI2 and hydrogen... also reduced colloidal aggregation, reducing overall defects, improving uniformity/ reducing degradation... slot-die coating in open air conditions enabling large-scale production, lower costs... long-term stability, with a 94% efficiency rating after exposure to direct light for 1,000 hours, at 65% humidity"

Related: Scientists introduce c-MOFs in emerging SrZrS₃ chalcogenide perovskites for efficient solar cells
https://techxplore.com/news/2025-03-scientists-mofs-emerging-srzrs-chalcogenide.html