Nanoparticles for Perovskite Solar Cells (IMAGE) ITMO University Caption This is materials used(a), SEM-image (c) and application (b). Credit ITMO University 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.