Perovskite Solar Cells (IMAGE) ARC Centre of Excellence in Exciton Science Caption Perovskite solar cells in alternating blue and infrared. Credit Exciton Science/Science in Public Usage Restrictions Image may only be used with appropriate credit. 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.