Synthesis of PbI2 (IMAGE) Optica Caption The recycled PbI2 microcrystals exhibit the quality and purity levels necessary for making photodetectors. The production of PbI2 microcrystals at a kilogram scale is shown. Credit Longxing Su, Southern University of Science and Technology Usage Restrictions None 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.