Figure 4

Optical images of the MoS2 (a) thin film and (b) flake. (c) Raman spectra of the MoS2 film, flake and boundary pointed in (a,b). (d) AFM images of MoS2 domain boundary. (e) Height profiles taken across the dash line in (d).
Optical images of the MoS2 (a) thin film and (b) flake. (c) Raman spectra of the MoS2 film, flake and boundary pointed in (a,b). (d) AFM images of MoS2 domain boundary. (e) Height profiles taken across the dash line in (d).