Figure1 (IMAGE) Kanazawa University Caption (a) Schematic diagram of the perovskite/perovskite tandem solar cell, and (b) current-voltage characteristic curves of the best-investigated perovskite/perovskite tandem solar cell. Inset shows quantum efficiency for top perovskite and bottom perovskite. Credit Kanazawa University Usage Restrictions The image may only be used with appropriate caption and 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.