Illustration (IMAGE) Tokyo Institute of Technology Caption This is an illustration of visible-light-driven H2 evolution on ruthenium-dye/HCa2Nb3O10 nanosheet. Credit American Chemical Society, Tokyo Tech, adopted with permission 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.