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Updated: Jul 6, 2026

Synthesis and Functionalization of Nitrogen-doped Carbon Nanotube Cups with Gold Nanoparticles as Cork Stoppers
Published on: May 13, 2013
Spectroscopic study of nitrogen doping of multi-walled carbon nanotubes
S Enouz1, J L Bantignies, M R Babaa
1Laboratoire des Colloïdes Verres et Nanomatériaux, Université Montpellier II, cc026, Place Eugène Bataillon, 34095 Montpellier, France.
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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