Fig. 2
From: Sequentially Vapor-Grown Hybrid Perovskite for Planar Heterojunction Solar Cells
XRD data of the perovskite thin films, according to MAI processing time and post-annealing execution. The perovskite plane indices are assigned, and the peaks for the perovskite complex, PbI2, and FTO are also denoted as δ, *, and #, respectively