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Keywords:

  • Nanostructures;
  • Nanotubes, inorganic;
  • Template-free synthesis
Thumbnail image of graphical abstract

A nonaqueous, solvent- and template-free, and straightforward route is described for the synthesis of inorganic WC nanotubes (see figure). The thermal decomposition of W(CO)6 in the presence of Mg powder is carried out at 900 °C under the autogenic pressure of the precursors in a closed Swagelok reactor to yield WC nanotubes for the first time. The reaction mechanism is supported by experimental data.