Fig. 3From: Effect of Ultraviolet-Ozone Treatment on MoS2 Monolayers: Comparison of Chemical-Vapor-Deposited Polycrystalline Thin Films and Mechanically Exfoliated Single Crystal FlakesPL spectra of MoS2 monolayers a mechanically exfoliated flakes on SiO2/Si substrates and b CVD thin films on sapphire substrates after UV-O3 treatment for 0, 1, 3, and 5 minBack to article page