Year: 2026
Type: article
Abstract: Here, we observed chiroptical evolution during the synthesis of perovskite nanocrystals (NCs). Using a steric-delayed nucleation strategy, we slowed the ripening of NCs and observed changes in the circular dichroism (CD) signal of perovskite NCs. Two chiroptical evolution events occurred during NC formation under different conditions, attributed to ligand displacement and NC self-assembly, respectively. Surface characterization and computational studies demonstrate that the ligands initially bind to the NC surface and dissociate during the ripening stage, offering the time window to observe and enhance the intrinsic chirality. Our findings provide a new strategy for studying and designing intrinsically chiral perovskite nanostructures.
Language: English
Subfield: Electrical and Electronic Engineering
Field: Engineering
Domain: Physical Sciences
Open Access status: hybrid
Estimated APC paid: $4,500
Awards: G4119248903, G5876352027, Cesium Copper Halide Perovskite Nanocrystals for AC-Driven White Lights and RGB Transparent Displays, G6979207333, Photo-aligned Perovskite Nanorods for Polarized Down-conversion Emission Films Achieved by Optically Induced In-situ Oriented Growth and Ink-printed Halide Pixilation, G8777560776
OpenAlex ID: W7126239472