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  • Title: Spectroscopic study of nitrogen doping of multi-walled carbon nanotubes.
    Author: Enouz S, Bantignies JL, Babaa MR, Alvarez L, Parent P, Le Normand F, Stéphan O, Poncharal P, Loiseau A, Doyle BP.
    Journal: J Nanosci Nanotechnol; 2007 Oct; 7(10):3524-7. PubMed ID: 18330168.
    Abstract:
    Combined spatially resolved electron-energy loss spectroscopy (EELS) and high resolution near-edge X-ray absorption fine structure (NEXAFS) spectroscopy have been used to investigate the nitrogen doping of multi-walled carbon nanotubes (N-MWNT). EELS indicates that most of the tubes are nitrogen-doped. NEXAFS spectroscopy reveals pyridine-like and nitrile N structures. High resolution NEXAFS experiments show that the main nitrogen concentration originates from a high amount of molecular N2 encapsulated into only a small quantity of tubes.
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