Enhanced responsivity of a graphene/Si-based heterostructure broadband photodetector by introducing a WS<sub>2</sub> interfacial layer
Tianying He, Changyong Lan, Sihan Zhou, Yongjun Li, Yi Yin, Chun Li, Yong Liu
Abstract
The photodetection performance of the graphene (Gr)/Si 2D/3D heterostructure can be very broadly enhanced by introducing an optimized ultrathin WS<sub>2</sub> film prepared by sulfidation as an interfacial layer.
Topics & Concepts
Materials sciencePhotodetectionGrapheneHeterojunctionSulfidationResponsivityPhotodetectorLayer (electronics)OptoelectronicsBroadbandNanotechnologyOpticsMetallurgyPhysicsSulfur2D Materials and ApplicationsNanowire Synthesis and ApplicationsPhotonic and Optical Devices