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Keywords:

  • molybdenum disulfide;
  • layered materials;
  • field-effect transistors;
  • chemical vapor deposition
Thumbnail image of graphical abstract

Large-area MoS2 atomic layers are synthesized on SiO2 substrates by chemical vapor deposition using MoO3 and S powders as the reactants. Optical, microscopic and electrical measurements suggest that the synthetic process leads to the growth of MoS2 monolayer. The TEM images verify that the synthesized MoS2 sheets are highly crystalline.