Article Illustration (IMAGE) ITMO University Caption ChemNanoMat, Stable luminescent composite microspheres based on porous silica with embedded CsPbBr3 perovskite nanocrystals Credit ChemNanoMat Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.