Applied Physics A

, Volume 90, Issue 1, pp 135–139 | Cite as

Aligned array of N2-encapsulated multilevel branched carbon nanotubes

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Abstract

Aligned arrays of N2-encapsulated multilevel branched carbon nanotubes were synthesized using a simple one step CVD method by pyrolysis of ferrocene and acetonitrile. Electron energy loss spectroscopy (EELS) and elemental mapping studies reveal that gaseous nitrogen was encapsulated in the carbon nanotubes. Batch-type pyrolysis of catalysts induced flow fluctuation of the reaction gases, resulting in the growth of branched junctions. Molecular nitrogen extruded rapidly along conical catalyst particles inducing N2 encapsulation inside the branched nanotubes.

Keywords

Carbon Nanotubes Ferrocene Quartz Tube Electron Beam Irradiation Electron Energy Loss Spectroscopy 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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Copyright information

© Springer-Verlag 2007

Authors and Affiliations

  1. 1.Beijing National Laboratory for Condensed Matter Physics, Institute of PhysicsChinese Academy of SciencesBeijingP.R. China
  2. 2.Key Laboratory on the Physics and Chemistry of Nanodevices and Department of ElectronicsPeking UniversityBeijingP.R. China

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