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Science 6 November 1998:
Vol. 282. no. 5391, pp. 1105 - 1107
DOI: 10.1126/science.282.5391.1105
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Reports

Synthesis of Large Arrays of Well-Aligned Carbon Nanotubes on Glass

Z. F. Ren, * Z. P. Huang, J. W. Xu, J. H. Wang, P. Bush, M. P. Siegal, P. N. Provencio

Free-standing aligned carbon nanotubes have previously been grown above 700°C on mesoporous silica embedded with iron nanoparticles. Here, carbon nanotubes aligned over areas up to several square centimeters were grown on nickel-coated glass below 666°C by plasma-enhanced hot filament chemical vapor deposition. Acetylene gas was used as the carbon source and ammonia gas was used as a catalyst and dilution gas. Nanotubes with controllable diameters from 20 to 400 nanometers and lengths from 0.1 to 50 micrometers were obtained. Using this method, large panels of aligned carbon nanotubes can be made under conditions that are suitable for device fabrication.

Z. F. Ren, Z. P. Huang, J. W. Xu, J. H. Wang, Materials Synthesis Laboratory, Natural Sciences Complex, Departments of Physics and Chemistry, and Center for Advanced Photonic and Electronic Materials, State University of New York, Buffalo, NY 14260-3000, USA. P. Bush, Instrumentation Center, State University of New York, Buffalo, NY 14214, USA. M. P. Siegal and P. N. Provencio, Sandia National Laboratories, Albuquerque, NM 87185-1421, USA.
*   To whom correspondence should be addressed: E-mail: zren{at}acsu.buffalo.edu

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