Direct evidence for efficient ultrafast charge separation in epitaxial WS <sub>2</sub> /graphene heterostructures
S. Aeschlimann, Antonio Rossi, M. Chávez-Cervantes, R. Krause, Benito Arnoldi, Benjamin Stadtmüller, Martin Aeschlimann, Stiven Forti, Filippo Fabbri, Camilla Coletti, Isabella Gierz
Abstract
We reveal ultrafast charge separation in a WS 2 /graphene heterostructure possibly enabling optical spin injection into graphene.
Topics & Concepts
GrapheneHeterojunctionUltrashort pulseCharge (physics)EpitaxyMaterials scienceNanotechnologyOptoelectronicsPhysicsOpticsLaserQuantum mechanicsLayer (electronics)2D Materials and ApplicationsPerovskite Materials and ApplicationsGraphene research and applications