Figure 2b shows the resistivity-temperature plots of pellet samples measured perpendicular to the basal plane with different graphite contents. Pure MoS2 pellet (M) had the highest resistivity with 400 Ωm while MG containing 20 wt% graphite showed a resistivity of 5 Ωm. The negative exponential plot with increasing temperature for all pellets all indicated the semiconducting behavior of composites.