Photovoltaic effect (IMAGE) University of Tokyo Caption Under laser illumination, the layered material generates a current. Credit ©2021 Ideue et al. Usage Restrictions Credit ©2021 Ideue et al. 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.