Please use this identifier to cite or link to this item: https://doi.org/10.1103/PhysRevB.73.045402
Title: Electronic and optical properties of nitrogen-doped multiwalled carbon nanotubes
Authors: Lim, S.H.
Elim, H.I. 
Gao, X.Y. 
Wee, A.T.S. 
Ji, W. 
Lee, J.Y. 
Lin, J. 
Issue Date: 2006
Source: Lim, S.H., Elim, H.I., Gao, X.Y., Wee, A.T.S., Ji, W., Lee, J.Y., Lin, J. (2006). Electronic and optical properties of nitrogen-doped multiwalled carbon nanotubes. Physical Review B - Condensed Matter and Materials Physics 73 (4) : -. ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevB.73.045402
Abstract: Highly nitrogen-doped carbon nanotube (CNx NT, x=12 at. %) was synthesized by the pyrolysis of acetonitrile on Co-Mo catalysts. The electronic structures and chemical bondings of CNx NT were studied using various spectroscopic techniques: Raman, photoelectron and x-ray absorption spectroscopies. The ultrafast pump-probe measurements of CNx NT exhibited a larger third-order susceptibility χ(3), a relaxation time of τ2 =1 ps and improved saturable absorption, as compared with undoped multiple-walled carbon nanotubes, which indicate that N-doping can improve all-optical switching properties of carbon nanotubes. © 2006 The American Physical Society.
Source Title: Physical Review B - Condensed Matter and Materials Physics
URI: http://scholarbank.nus.edu.sg/handle/10635/63812
ISSN: 10980121
DOI: 10.1103/PhysRevB.73.045402
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