Fig. 7From: Perovskite Solar Cells Based on Compact, Smooth FA0.1MA0.9PbI3 Film with Efficiency Exceeding 22%J-V curves (a), dV/dJ vs. (JSC + J)−1 plots with linear fitting curve (b), and ln (JSC + J) vs. (V − RSJ) plots with linear fitting curves for the PSCs based on MAPbI3 and FA0.1MA0.9PbI3 (c). Corresponding EQE spectra for modified perovskite in comparison with standard PSCs (d)Back to article page