Solar Cell Based on AgBiS2 Nanocrystals (IMAGE) ICFO-The Institute of Photonic Sciences Caption This image shows a semi-transparent solar cell based on AgBiS2 nanocrystals. Credit ICFO 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.