Fig. 8From: Fundamental Study on the Fabrication of Inverted Planar Perovskite Solar Cells Using Two-Step Sequential Substrate Vibration-Assisted Spray Coating (2S-SVASC) (1) Light absorbance of perovskite thin films prepared at: (a) run 6, (b) run 5, (c) run 10m, (d) run 3, and (e) PbCl2 thin film sprayed on a vibrating substrate, at substrate temperature = 120 °C. (2) Current density-voltage curves of planar perovskite solar cells, where the perovskite layer is fabricated at conditions of (a) run 6, (b) run 5, and (c) run 10m Back to article page