Structure-related bandgap of hybrid lead halide perovskites and close-packed APbX<sub>3</sub> family of phases
Ekaterina I. Marchenko, Sergey A. Fateev, Vadim Korolev, Vladimir Buchinskiy, N. N. Eremin, Eugene A. Goodilin, Alexey B. Tarasov
Abstract
The band gaps and proportions of vertex-connected PbI 6 octahedra in hexagonal APbI 3 polytypes are shown. The size of the balls shows the size of the “cubic” block of vertex-connected octahedra in the crystal structure of polytypes.
Topics & Concepts
HalideMaterials scienceBand gapLead (geology)OptoelectronicsInorganic chemistryChemistryGeomorphologyGeologyPerovskite Materials and ApplicationsSolid-state spectroscopy and crystallographyThermal Expansion and Ionic Conductivity