Graphene/WSe2 (2-D Material)/Graphene Heterostructure (IMAGE) ICFO-The Institute of Photonic Sciences Caption Graphene/WSe2 (2-D material)/graphene heterostructure. Credit ICFO-Fabien Vialla 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.