Fig. 4
From: Manipulation of facet orientation in hybrid perovskite polycrystalline films by cation cascade
Statistics of photovoltaic parameters. Statistics of I–V performance parameters: Voc (a), Jsc (b), PCE (c), FF (d) for devices based on mixed FAMA perovskites with different cesium-doping concentration. Twelve devices for each Cs+-doping concentration were involved in the statistics
