Fig. 2

Cross-sectional transmission electron microscopy (TEM) images of MoS2 films synthesized from initial MoOx films with (a) x = 2.89 and (b) x = 2.98, and from (c) a Mo film after H2S annealing at 600 °C followed by Ar annealing at 1100 °C. (c) Delamination is observed in (c).