Facilitative effect of graphene quantum dots in MoS₂ growth process by chemical vapor deposition

【摘要】 The substrate treatment with seeding promoter can promote the two-dimensional material lateral growth in chemical vapor deposition（CVD） process. Herein, graphene quantum dots（GQDs） as a novel seeding promoter were used to obtain uniform large-area MoS₂ monolayer. The obtained monolayer MoS₂ films were confirmed by optical microscope,scanning electron microscope, Raman and photoluminescence spectra. Raman mapping revealed that the MoS₂ monolayer was largely homogeneous.更多还原

【Abstract】 The substrate treatment with seeding promoter can promote the two-dimensional material lateral growth in chemical vapor deposition（CVD） process. Herein, graphene quantum dots（GQDs） as a novel seeding promoter were used to obtain uniform large-area MoS₂ monolayer. The obtained monolayer MoS₂ films were confirmed by optical microscope,scanning electron microscope, Raman and photoluminescence spectra. Raman mapping revealed that the MoS₂ monolayer was largely homogeneous.更多还原