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Keywords:

  • layered compounds;
  • molybdenum;
  • nanostructures;
  • sulfides;
  • tungsten
Thumbnail image of graphical abstract

Inorganic sheets: Graphene-like MoS2 and WS2 were prepared by three different chemical methods. Examination by microscopic techniques revealed that they consist of one or a few layers (see depicted TEM image of WS2 layers), and an atomic-resolution TEM image showed that layered MoS2 has a hexagonal arrangement of Mo and S atoms (see inset).