Luminescent CsPbBr Quantum Dots Centered on the Octahedral PbBr Cluster within Zeolite LTA: Exploring the Edge of Three-Dimensional Crystal Structure and Its Stability.

The perovskite quantum dots (QDs) of CsPbX (X = Cl, Br, I) exhibit exceptional photoluminescent properties, but their sensitivity to moisture and heat poses a challenge. This study presents a solvent-free synthesis approach for incorporating CsPbBr perovskite QDs into zeolite A. The introduction of [CsPbBr] perovskite QDs into the zeolite framework resulted in a highly stable configuration, maintaining its initial luminescence properties even after being underwater or exposed to heat.