Synthesis of Hybrid Lead Iodide Perovskite Thin Film by Two-Step Method Modified with a Double Dipping Circle to Control Its Crystallization and Morphology to Improve Solar Cells’ Performance

Figure 3

(a) – curve of the best performance cell at  s condition measured under AM 1.5G illumination at 100 mW cm^-2 with forward and reverse scanning. (b) – curves of the best devices fabricated at various dipping times.

(a)

(b)