Direct Integration of Few‐Layer MoS2 at Plasmonic Au Nanostructure by Substrate‐Diffusion Delivered Mo

The seamless combination of plasmonic structures with metal oxides and in particular with 2D materials has attracted significant recent interests. Here, a novel approach to grow molybdenum disulfide (MoS2) is presented: an optically active 2D material, directly onto plasmonic nanoscale gold disks via a surface diffusion delivery of Mo from within the nanostructure and a sulfidation process. X‐ray photoelectron spectroscopy and Raman spectroscopy measurements demonstrate the existence and the reaction process of few layered MoS2. Delivery of Mo from within the nanostructure and direct growth of MoS2 has the potential to form better defined metal/MoS2 interfaces compared to exfoliation routes. This facile approach has the potential for application in photodetector or other devices. Hybrid materials with molybdenum disulfide (MoS2) directly at gold plasmonic nanostructures are formed via chemical vapor deposition. Mo within the plasmonic structures is delivered to the surface by thermal diffusion under sulfiding conditions enabling a low temperature approach and keeping the plasmonic structures intact. 2–4 layers of MoS2 are integrated at the gold nanodisks, demonstrated by X‐ray photoelectron spectroscopy and Raman spectroscopy.