The underlying synergistic mechanism of co-solvents to fabricate high-quality FAPbI 3 perovskite films

Puntos clave

• The aim is to understand how DMSO and NMP co-solvents affect the formation of high-quality α-FAPbI3 perovskite films.
• Conducted theoretical and experimental investigations on co-solvent effects.
• Analyzed mesophase formation and crystallization processes.
• Examined intermediate phase control during film fabrication.
• Identified synergistic effects of DMSO and NMP on film quality.
• Demonstrated improved crystallization and mesophase stability.
• Found optimal co-solvent ratios for enhancing α-FAPbI3 formation.