fig10
Figure 10. Comparison of structure and optoelectrical properties between RP and DJ phases. (A) Band energy diagram of 3D MAPbI3, 2D RP (BA)2(MA)2Pb3I10 and ACI (BEA)0.5(MA)nPbnI3n+1 (n = 1-3) perovskites. (B) Optical absorption spectra of RP (BA)2PbI4, (110)-cleaved (GA)2PbI4 and ACI (GA)(MA)PbI4 perovskites. Reprinted with permission from ref.[23]: Copyright 2017, American Chemical Society. (C) Graphical representation of the (BEA)0.5(MA)nPbnI3n+1 and (BA)2(MA)n-1PbnI3n+1 series (n = 1-3). Reprinted with permission from ref.[61]: Copyright 2019, Wiley-VCH GmbH.