array of one or two layer high Mo islands is formed. The MoO3 powder (0.4 g) was placed in a ceramic ... boat with sulfur powder (0.8 g) was placed next to the MoO 3 powder. Prior to the growth, a droplet of ... aiment 5. Reference Liquid exfoliation MoS2 powder (30 mg, 1–6 mm) was added to 25mL flasks. 10mL of