Research Highlights: Precise Control of Perovskite Crystallization Kinetics via Sequential A-site Doping
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Two-step fabricated FAPbI3-based perovskites have attracted increasing attention because of their excellent film quality and reproducibility. However, the underlying film formation mechanism remains mysterious. In this work, the crystallization kinetics of a benchmark FAPbI3-based perovskite film with sequential A-site doping of Cs+ and GA+ has been revealed by in situ X-ray scattering and first-principles calculations.… Read More