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Related Experiment Video

Updated: Jul 23, 2026

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

Nanotube nanotweezers

Kim1, Lieber

  • 1Division of Engineering and Applied Sciences, Department of Chemistry and Chemical Biology, Harvard University, Cambridge, MA 02138, USA.

Science (New York, N.Y.)
|December 11, 1999
PubMed
Summary

New nanotweezers made from carbon nanotubes enable precise manipulation and electrical property measurement of nanostructures. These devices offer robust mechanical control for nanoscale research and applications.

Area of Science:

  • Nanoscience and Nanotechnology
  • Materials Science
  • Electrical Engineering

Background:

  • Carbon nanotubes possess unique electrical and mechanical properties suitable for nanoscale applications.
  • Precise manipulation and characterization of nanostructures are crucial for advancing nanotechnology.
  • Existing nanotweezers often lack the required electrical conductivity or mechanical robustness.

Purpose of the Study:

  • To develop and demonstrate nanoscale electromechanical systems (NEMS) using carbon nanotubes as nanotweezers.
  • To investigate the electromechanical response and mechanical manipulation capabilities of these nanotweezers.
  • To utilize the nanotweezers for electrical property measurements of various nanomaterials.

Main Methods:

  • Fabrication of nanotweezers by attaching carbon nanotubes to electrodes on pulled glass micropipettes.

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  • Application of voltages to electrodes to control the opening and closing of nanotweezer arms.
  • Quantitative simulation of the electromechanical response based on nanotweezer structure and nanotube properties.
  • Demonstration of mechanical manipulation of submicron clusters and nanowires.
  • Measurement of electrical properties of silicon carbide nanoclusters and gallium arsenide nanowires using the nanotweezers.

    • Main Results:

    • Successful development of carbon nanotube-based nanotweezers with controllable electromechanical response.
    • Demonstrated ability to mechanically grasp and manipulate nanoscale objects like clusters and nanowires.
    • Quantitative simulation accurately predicted the electromechanical behavior.
    • Successful measurement of electrical properties of silicon carbide and gallium arsenide nanostructures.

    Conclusions:

    • Carbon nanotube nanotweezers are effective tools for nanoscale manipulation and interrogation.
    • The electromechanical response is controllable and predictable through applied voltages.
    • These nanotweezers offer a versatile platform for both mechanical handling and electrical characterization at the nanoscale.