Research / 2020 / Article / Fig 5

Research Article

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

Figure 5

Geometric structure (top and side view) of the 2D (a) (C2H5OH2)2SnI4 with its band structure and (b) (H5O2)(C2H5OH2)2Pb2I7. (c) A sketch of design by dripping ethanol on the surface of (H5O2)SnI3 to form perovskite (side and top view). The red arrow denotes the dripping direction.