Scaling Up (IMAGE) Brown University Caption A new fabrication method enabled researchers to make larger perovskite cells with few defects, helping to maintain efficiency at larger cell sizes. Credit Brown University / NREL 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.