Journal
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY
Volume 6, Issue 5, Pages 1346-1349Publisher
AMER SCIENTIFIC PUBLISHERS
DOI: 10.1166/jnn.2006.140
Keywords
nanotube; FWNTs; CVD; field emission; display
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A unique type of carbon nanotubes with 2 to 5 layers of sidewalls and diameters less than 10 nm was synthesized by the thermal chemical vapor deposition (CVD) method with MgO supported Fe/Mo catalyst. Unlike the typical CVD grown multi-walled carbon nanotubes, these few-walled carbon nanotubes (FWNTs) have a high degree of structural perfection. They have enhanced electron field emission characteristics compared to the current commercial nanotubes, with a low threshold field for emission and improved emission stability.
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