perovskite film (IMAGE) DOE/Lawrence Berkeley National Laboratory Caption A new technique at the Advanced Light Source reveals what happens (from left to right) in the second before, during, and after a drop of a solidifying agent transforms a liquid precursor solution into a perovskite solar material. Credit Berkeley Lab Usage Restrictions Credit Berkeley Lab 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.