Creation of Ultrafast Photovoltage after Light Absorption at the Interface of Graphene Areas (image) ICFO-The Institute of Photonic Sciences Share Print E-Mail Caption This is an illustration of ultrafast photovoltage creation after light absorption at the interface of two graphene areas with different Fermi energy. Credit ICFO/Achim Woessner (Image courtesy Achim Woessner). Usage Restrictions None Share Print E-Mail 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.