SEM and TEM image (IMAGE) Rice University Caption Scanning electron microscopy (SEM) and transmission electron microscopy (TEM) image of water-stable silica-coated perovskite quantum dots. Credit Image courtesy of the Nanomaterials, Nanomechanics and Nanodevices Lab/Rice University. Usage Restrictions Must credit the Nanomaterials, Nanomechanics and Nanodevices Lab/Rice University. License Original 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.