Insight into the structure–property relationship of two-dimensional lead-free halide perovskite Cs<sub>3</sub>Bi<sub>2</sub>Br<sub>9</sub> nanocrystals under pressure
Ting Geng, Shuai Wei, Wenya Zhao, Zhiwei Ma, Ruijing Fu, Guanjun Xiao, Bo Zou
Abstract
Pressure-induced phase transformation and narrowed band gap of two-dimensional lead-free halide perovskite Cs<sub>3</sub>Bi<sub>2</sub>Br<sub>9</sub> nanocrystals.
Topics & Concepts
HalidePerovskite (structure)NanocrystalMaterials scienceLead (geology)Band gapPhase (matter)CrystallographyInorganic chemistryNanotechnologyChemistryOptoelectronicsOrganic chemistryGeologyGeomorphologyPerovskite Materials and Applications2D Materials and ApplicationsSolid-state spectroscopy and crystallography