Yuan et al. report pyrrodiazole additives for simultaneous immobilizing of lead iodide and formamidinium iodide during slot-die coating perovskite films in air, ensuring consistent growth rate for upper and lower layers of the film, leading to certified efficiency of 20.3% for 10 cm × 10 cm solar modules.
- Shihao Yuan
- Daming Zheng
- Shibin Li
