Bandgap bowing in a zero-dimensional hybrid halide perovskite derivative: spin–orbit coupling <i>versus</i> lattice strain
Soumyo Chatterjee, Julia L. Payne, John T. S. Irvine, Amlan J. Pal
Abstract
The bandgap bowing phenomenon has been observed in lead-free MA<sub>3</sub>Sb<sub>2</sub>I<sub>9</sub> perovskite upon isovalent substitution by bismuth (Bi<sup>3+</sup>).
Topics & Concepts
BowingHalideBismuthBand gapMaterials scienceCondensed matter physicsPerovskite (structure)Lattice (music)Spin–orbit interactionCoupling (piping)PhysicsCrystallographyChemistryInorganic chemistryComposite materialAcousticsPhilosophyMetallurgyTheologyPerovskite Materials and ApplicationsSolid-state spectroscopy and crystallography2D Materials and Applications