Research / 2020 / Article / Fig 4

Research Article

Constructing Stable and Potentially High-Performance Hybrid Organic-Inorganic Perovskites with “Unstable” Cations

Figure 4

(a) Structure of C2H5OH2+ cation and related HOIPs and the band structures of HOIPs. (b) Computed optical absorption spectra of (CH5S)PbI3, (C2H5OH2)PbI3, and (C2H5OH2)SnI3. (c) Structures of CH3SH2+ cation and (CH3SH2)PbI3 and the band structures of (CH3SH2)PbI3.