A Large Perovskite Solar Cell (image) Ecole Polytechnique Fédérale de Lausanne Share Print E-Mail Caption Publishing in Science, researchers at EPFL have successfully overcome a limiting problem with stabilizing the best-performing formulation of metal-halide perovskite films, a key player in a range of applications, including solar cells. Credit Nripan Mathews NTU, Singapore Usage Restrictions Media purposes only. Commercial usage restricted; by permission only. Share Print E-Mail 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.