Fig. 1.

Fabrication of suspended MoS₂FET: (a) Schematic representation of the process flow to achieve nanogap electrodes. Optical image, AFM mapping, and line diagram of nanogaps (b) without MoS₂ (c) with MoS₂. (d) high magnification SEM image of MoS₂ on the top of nanogaps (e) Optical dark field image of MoS₂ triangle on the top nanogaps. (f) Image of biosensor device with Source, Drain, and Gate (Ag/AgCl electrode) connection (g) Schematic of Biosensor with E. coli and antibodies.