Here, we propose easy and robust strategies for the versatile integration 2D material flakes on plasmonic nanoholes by means of site selective deposition of MoS2. The methods can be applied both to simple metallic flat nanostructures and to complex 3D metallic structures comprising nanoholes. The deposition methods allow the decoration of large ordered arrays of plasmonic structures with single or few layers of MoS2. We show that the plasmonic field generated by the nanohole can interact significantly with the 2D layer, thus representing an ideal system for hybrid 2DMaterial/ Plasmonic investigation. The controlled/ordered integration of 2D materials on plasmonic nanostructures opens a pathway towards new investigation of the following: enhanced light emission; strong coupling from plasmonic hybrid structures; hot electron generation; and sensors in general based on 2D materials.
Dario Mosconi, Ermanno Miele, Giorgia Giovannini, Andrea Jacassi, Nicolò Maccaferri, and Denis Garoli, "Plasmonic nanopore prepared on MoS2 membrane-hybrid nanostructures based on site selective deposition," Proc. SPIE 10894, Plasmonics in Biology and Medicine XVI, 1089417 (Presented at SPIE BiOS: February 06, 2019; Published: 7 March 2019); https://doi.org/10.1117/12.2515298.
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