Schematic of system (IMAGE) ICFO-The Institute of Photonic Sciences Caption Schematic of the post-deposition in situ passivation strategy on the AgBiS2 nanocrystal. Source: EES. Credit EES Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. License CC BY-NC 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.