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We present a new protocol to grow large-area, high-quality single-layer graphene on Cu foils at relatively low temperatures. We use C60 molecules evaporated in ultra high vacuum conditions as carbon source. This clean environment results in a strong reduction of oxygen-containing groups as depicted by X-ray photoelectron spectroscopy (XPS). Unzipping of C60 is thermally promoted by annealing the substrate...
In this work we present a method to produce nanopatterning on graphite surfaces via carbon gasification reaction, with oxygen as reactant gas, catalyzed by cobalt oxides (CoO) instead of metallic cobalt nanoparticles as most usual methods. This reaction is produced at 400°C, temperature which is much lower than that used in conventional methods. The chemical analysis of the cobalt species have been...
BNC nanostructures were produced by the resistive heating of graphite and boric acid powder in a high isostatic pressure apparatus at a temperature of ∼1650°C, with a nitrogen pressure of 12MPa. The resultant nanostructures were examined using transmission electron microscopy, electron energy-loss spectroscopy and X-ray photoelectron spectroscopy. The growth mechanisms of the nanostructures are discussed.
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