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Raman Characterization of Nitrogen Doped Multiwalled Carbon Nanotubes

Published online by Cambridge University Press:  15 February 2011

S. Webster ,
J. Maultzsch ,
C. Thomsen ,
J. Liu ,
R. Czerw ,
M. Terrones ,
F. Adar ,
C. John ,
A. Whitley  and
D. L. Carroll
S. Webster
Affiliation:
Center for Nanotechnology, Wake Forest University, Winston-Salem, NC
J. Maultzsch
Affiliation:
Institut für Festkörperphysik, Technische Universität Berlin, Germany
C. Thomsen
Affiliation:
Institut für Festkörperphysik, Technische Universität Berlin, Germany
J. Liu
Affiliation:
Center for Nanotechnology, Wake Forest University, Winston-Salem, NC
R. Czerw
Affiliation:
Center for Nanotechnology, Wake Forest University, Winston-Salem, NC
M. Terrones
Affiliation:
Advanced Materials Department, IPICyT, Venustiano Carranza, San Luis Potosi, Mexico.
F. Adar
Affiliation:
Jobin Yvon Horiba, Raman Spectroscopy Group, Edison NJ
C. John
Affiliation:
Jobin Yvon Horiba, Raman Spectroscopy Group, Edison NJ
A. Whitley
Affiliation:
Jobin Yvon Horiba, Raman Spectroscopy Group, Edison NJ
D. L. Carroll
Affiliation:
Center for Nanotechnology, Wake Forest University, Winston-Salem, NC
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Abstract

N-type multi-walled nanotubes were synthesized by nitrogen doping using pyridine and pyridine-melamine mixtures in chemical vapor deposition, and their donor states were verified by Scanning Tunneling Spectroscopy. Tunneling Electron Microscopy reveals small amounts of residual catalyst and Scanning Electron Microscopy show well aligned mats of the Nitrogen doped nanotubes. Nitrogen is present in the lattice of these MWNTs as pyridine structures and CNx structures. Raman scattering measurements were performed as a function of increasing growth temperature and the results compared to previously studied boron doped multiwalled nanotubes.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 772: Symposium M – Nanotube-Based Devices , 2003 , M7.8
Copyright
Copyright © Materials Research Society 2003

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References

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