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Nitrogen‐containing carbon (CNx) nanotubes have been grown vertically on silicon substrates by decomposition of a ferrocene/acetonitrile aerosol at temperatures 750, 800, 850, and 900 °С. A CNx nanotube array, produced at 850 °С, had the greatest height ∼220 μm and the smallest nitrogen content ∼3.8 at%. The content of graphitic nitrogen form, referred to a nitrogen atom with three carbon neighbors...
A heating of graphite oxide in concentrated sulfuric acid results in partial removal of oxygen and formation of polyatomic vacancy defects in graphene layers. The boundaries of the defects are decorated by oxygen‐containing groups, the number of which can be significantly reduced with the sample annealing in an inert atmosphere. It is shown that initial and annealed perforated graphite (PG) samples...
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