Hybrid perovskite photovoltaics could play a vital role in future's renewable energy
production. However there are still severe challenges when scaling the technology. In this
work perovskite solution films drying in laminar and slot-jet air flows are investigated
extensively by optical in situ characterization. The main results are a quantitative model of
perovskite drying dynamics and a novel in situ imaging technique - yielding valuable
predictions for large-scale perovskite fabrication.
