fig5
Figure 5. Structural properties of 2D RP phase perovskite single crystals. (A) XRD patterns of (BA)2(MA)n-1PbnI3n+1 (with n = 1-4). Reprinted with permission from ref.[45]: Copyright 2018, American Chemical Society. (B) XRD patterns from (001) and (010) planes, and SEM images for (C) (001) and (D) (010) planes of PEA2PbI4 single crystals. Reprinted with permission from ref.[47]: Copyright 2019, Elsevier.
