Perovskite-CIGS Tandem Solar Cell (IMAGE) UCLA Samueli School of Engineering Caption Dual-layer solar cell developed at UCLA sets record. Credit UCLA Samueli Engineering Usage Restrictions None 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.