Nitrogen-doped SWCNT synthesis using ammonia and carbon monoxide

Toma Susi, Zhen Zhu, Georgina Ruiz-Soria, Raul Arenal, Paola Ayala, Albert G. Nasibulin, Hong Lin, Hua Jiang, Odile Stephan, Thomas Pichler, Annick Loiseau, Esko I. Kauppinen

Research output: Contribution to journalArticlepeer-review

15 Citations (Scopus)


Great effort has been directed into modifying the electrical properties of produced carbon nanotubes by chemical doping and - in parallel - into controlling their chirality. We present a new approach to synthesizing nitrogen-doped single-walled carbon nanotubes (SWCNTs), based on gas phase floating catalyst CVD. The nitrogen content in the tubes was verified by transmission electron microscopy/electron-energy loss spectroscopy (TEM/EELS), and their chiral angle distribution found by electron diffraction (ED) to be skewed toward armchair tubes. Additionally, the optical properties of the material were probed by multi-frequency Raman spectroscopy and optical absorption.

Original languageEnglish
Pages (from-to)2726-2729
Number of pages4
JournalPhysica Status Solidi (B) Basic Research
Issue number11-12
Publication statusPublished - Dec 2010
Externally publishedYes


  • Gas phase floating catalyst CVD
  • High chirality
  • Nitrogen doping


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