Large-Scale Production of Single-Walled Carbon Nanotubes using Ultrafast Pulses from an FEL
We report very high production rates of SWNTs from carbon vapor produced by ultrafast ({approx}0.5 ps) pulsed infrared radiation from the Free Electron Laser (FEL) at Thomas Jefferson National Accelerator (Jlab). To harness the high average power ({approx} 1 kW average power) of this FEL beam, a new vaporization geometry was developed in which the laser radiation impinges on the sidewall of a translating and spinning, carbon rod. Using only 30% of the available FEL average power at a wavelength of {approx}3 microns, we have been able to generate carbon soots rich in bundles of SWNTs at the rate of {approx}1.5 gm.h. Samples were characterized by scanning electron microscope (SEM), transmission electron microscopy (TEM), Temperature programmed oxidation (TPO), and Raman spectroscopy.
- Research Organization:
- Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
- Sponsoring Organization:
- USDOE Office of Energy Research (ER) (US)
- DOE Contract Number:
- AC05-84ER40150
- OSTI ID:
- 804509
- Report Number(s):
- JLAB-ACC-02-01; DOE/ER/40150-2365; TRN: US0300687
- Resource Relation:
- Other Information: No journal information given for this preprint; PBD: 1 Jan 2002
- Country of Publication:
- United States
- Language:
- English
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