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- Title
Electronic state of nitrogen incorporated into CN<sub>x</sub> nanotubes.
- Authors
Bulusheva, L. G.; Okotrub, A. V.; Kudashov, A. G.; Asanov, I. P.; Abrosimov, O. G.
- Abstract
CNx nanotubes have been prepared by acetonitrile decomposition over Ni, Co and Ni/Co catalysts. X-ray photoelectron spectroscopy study on the samples revealed a change of nitrogen concentration and shape of N 1s line with variation of the catalyst used. Quantum-chemical calculations on tube fragments showed the energy of N 1s level depends on the atomic structure of carbon tube and kind of incorporated nitrogen. The largest binding energies were found to be characteristic of three-coordinated nitrogen atoms doping the zigzag and chiral carbon nanotubes.
- Subjects
NANOTUBES; NITROGEN; FULLERENES; CHEMICAL decomposition; CATALYSTS; PHOTOELECTRONS
- Publication
European Physical Journal D (EPJ D), 2005, Vol 34, Issue 1-3, p271
- ISSN
1434-6060
- Publication type
Article
- DOI
10.1140/epjd/e2005-00156-y