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Resonance Raman Spectroscopy of Extreme Nanowires and Other 1D Systems
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Alternating patterns on single-walled carbon nanotubes.

Bing Li1, Lingyu Li, Bingbing Wang

  • 1A. J. Drexel Nanotechnology Institute and Department of Materials Science and Engineering, Drexel University, Philadelphia, PA 19104, USA.

Nature Nanotechnology
|June 6, 2009
PubMed
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Researchers demonstrate periodic decoration of carbon nanotubes using block copolymers. This technique enables precise patterning for nanoelectronic applications, including attaching gold nanoparticles.

Area of Science:

  • Materials Science
  • Nanotechnology
  • Chemistry

Background:

  • One-dimensional nanomaterials, especially carbon nanotubes, are of significant scientific interest due to their unique properties.
  • Ordered arrays of carbon nanotubes are crucial for large-scale integrated circuits in nanoelectronics.
  • Controllable patterning on individual carbon nanotubes for fabricating multiple transistors remains a challenge.

Purpose of the Study:

  • To develop a facile technique for the periodic patterning of one-dimensional nanomaterials.
  • To demonstrate the controlled decoration of carbon nanotubes with crystalline block copolymers.
  • To enable the directed assembly of functional components, such as nanoparticles, onto nanotubes.

Main Methods:

  • Utilizing crystalline block copolymers for periodic decoration along carbon nanotubes.

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Fabrication, Densification, and Replica Molding of 3D Carbon Nanotube Microstructures
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Fabrication, Densification, and Replica Molding of 3D Carbon Nanotube Microstructures

Published on: July 2, 2012

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Last Updated: Jun 22, 2026

Resonance Raman Spectroscopy of Extreme Nanowires and Other 1D Systems
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Functionalization of Single-walled Carbon Nanotubes with Thermo-reversible Block Copolymers and Characterization by Small-angle Neutron Scattering
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Functionalization of Single-walled Carbon Nanotubes with Thermo-reversible Block Copolymers and Characterization by Small-angle Neutron Scattering

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Fabrication, Densification, and Replica Molding of 3D Carbon Nanotube Microstructures

Published on: July 2, 2012

  • Employing end-functionalized block copolymers for directed attachment of nanoparticles.
  • Characterizing the resulting patterns and periodicity on the carbon nanotubes.

    • Main Results:

    • Achieved periodic decoration of carbon nanotubes with amphiphilic, alternating patterns.
    • Established a pattern periodicity of approximately 12 nm along the nanotubes.
    • Successfully attached gold nanoparticles to the carbon nanotubes via end-functionalized block copolymers.

    Conclusions:

    • The developed method offers a straightforward approach for periodic patterning of one-dimensional nanomaterials.
    • This technique facilitates the fabrication of complex nanostructures on carbon nanotubes.
    • The periodic patterning is promising for advanced nanoelectronic device fabrication and directed self-assembly.