Perovskite solar cell prototypes (IMAGE) ARC Centre of Excellence in Exciton Science Caption Anita Ho-Baillie and Shi Tang wear protective gloves while examining perovskite solar cell prototypes Credit University of Sydney Usage Restrictions For use with this story only 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.