Fig. 3From: Perovskite Solar Cells Based on Compact, Smooth FA0.1MA0.9PbI3 Film with Efficiency Exceeding 22%XRD patterns (a) for MAPbI3 and FA0.1MA0.9PbI3 perovskite films and enlarged XRD pattern of the peaks at 13–15° (b) and 27–29° (c)Back to article page