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Related Experiment Videos

Fullerene pipes

Liu1, Rinzler, Dai

  • 1J. Liu, A. G. Rinzler, H. Dai, J. H. Hafner, R. K. Bradley, P. J. Boul, A. Lu, T. Iverson, K. Shelimov, C. B. Huffman, F. Rodriguez-Macias, D. T. Colbert, R. E. Smalley, Center for Nanoscale Science and Technology, Rice Quantum Institute.

Science (New York, N.Y.)
|June 5, 1998
PubMed
Summary
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Single-wall fullerene nanotubes were transformed from tangled ropes into short, individual pipes. This breakthrough enables precise manipulation and diverse applications for these nanomaterials.

Area of Science:

  • Nanotechnology
  • Materials Science
  • Chemistry

Background:

  • Single-wall fullerene nanotubes typically exist as long, entangled ropes.
  • Controlling the length and individual behavior of nanotubes is challenging.
  • Applications are limited by the difficulty in processing and manipulating nanotube ropes.

Purpose of the Study:

  • To convert tangled single-wall fullerene nanotube ropes into short, individual, open-ended pipes.
  • To enable precise manipulation and diverse applications of fullerene nanotubes.
  • To create stable colloidal suspensions of processed nanotubes.

Main Methods:

  • Purification of raw nanotube material in large batches.
  • Controlled cutting of nanotube ropes into lengths of 100–300 nanometers.

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  • Formation of stable colloidal suspensions using surfactants.

    • Main Results:

    • Successfully converted entangled nanotube ropes into short, open-ended pipes.
    • Achieved individual macromolecule-like behavior for the processed nanotubes.
    • Developed stable colloidal suspensions in water, facilitating further manipulation.
    • Demonstrated capabilities for length-based sorting, chemical derivatization, and surface tethering.

    Conclusions:

    • The developed method effectively de-tangles and shortens single-wall fullerene nanotubes.
    • Processed nanotubes exhibit enhanced individual behavior and processability.
    • Stable nanotube suspensions open new avenues for nanotechnology applications and research.