What question did this study set out to answer?

The aim is to understand how DMSO and NMP co-solvents affect the formation of high-quality α-FAPbI3 perovskite films.

April 23, 2026Chemical Science0 citationsOpen Access

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

ZJZezhuan Jiang XHXiaofeng HeSouthwest University CXCunyun XuSouthwest University

Key Points

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.

Abstract

We systematically investigate the synergistic effects of DMSO and NMP co-solvents on perovskite mesophase formation, combining theoretical and experimental insights into intermediate phase control and α-FAPbI 3 crystallization.

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