Fig. 2From: Effect of Ultraviolet-Ozone Treatment on MoS2 Monolayers: Comparison of Chemical-Vapor-Deposited Polycrystalline Thin Films and Mechanically Exfoliated Single Crystal FlakesMechanically exfoliated flakes and CVD thin films of MoS2 monolayers a before and b after 5-min UV-O3 treatment (dotted region indicates monolayer), c optical absorbance of CVD thin films before and after 5-min UV-O3 treatmentBack to article page