Research / 2020 / Article / Fig 1

Research Article

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

Figure 1

Geometric structure of the (a) cubic and (b) orthorhombic phases of HPbI3. Grey, brown, and white spheres denote Pb, I, and H atoms, respectively. Both phases are energetically unfavorable.