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|Title:||Electronic and optical properties of nitrogen-doped multiwalled carbon nanotubes|
|Citation:||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|
|Appears in Collections:||Staff Publications|
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