Fig. 2: The structure and piezoelectric properties of 2D MoS2.
From: Two dimensional MoS2 accelerates mechanically controlled polymerization and remodeling of hydrogel

a SEM image showing the morphology of 2D MoS2. Scale bar: 500 nm. b HRTEM image showing the measured lattice spacing of few-layered structure of 2D MoS2. Scale bar: 5 nm. c HRTEM image showing the presence of single layer and few-layered structure. Scale bar: 5 nm. d XRD pattern of 2D MoS2. e 3D topographic image of 2D MoS2. f The output piezoelectric potential image of 2D MoS2.