Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Video

Updated: Jul 3, 2026

Detection and Quantification of Tunneling Nanotubes Using 3D Volume View Images
12:45

Detection and Quantification of Tunneling Nanotubes Using 3D Volume View Images

Published on: August 31, 2022

Imaging active topological defects in carbon nanotubes.

Kazu Suenaga, Hideaki Wakabayashi, Masanori Koshino

    Nature Nanotechnology
    |July 26, 2008
    PubMed
    Summary

    Directly observed topological defects in single-walled carbon nanotubes (SWNTs) using high-resolution transmission electron microscopy. These defects, specifically pentagon-heptagon pairs, are crucial for understanding the plastic deformation of SWNTs.

    Related Concept Videos

    You might also read

    Related Articles

    Articles linked to this work by shared authors, journal, and citation graph.

    Sort by
    Same author

    Exciton dispersion fine structure and deep ultraviolet optical conductivity of freestanding two-dimensional h-BN.

    Nature communications·2026
    Same author

    Confined growth of armchair MoS<sub>2</sub> nanotubes at the 1-nm limit.

    Science (New York, N.Y.)·2026
    Same author

    Selective Defect Engineering for Gate-Controlled yet Contact-Transparent Bi<sub>2</sub>O<sub>2</sub>Se Transistors.

    ACS nano·2026
    Same author

    Selective Electrosynthesis of Ammonia via Sequential Electron-Proton Transfer.

    Journal of the American Chemical Society·2026
    Same author

    Defects and defect-mediated engineering of two-dimensional materials: challenges and open questions.

    Beilstein journal of nanotechnology·2026
    Same author

    High-performance oxygen reduction electrocatalysis enabled by Ni<sub>core</sub>Pd<sub>shell</sub> nanoparticles immobilized on MoS<sub>2</sub> nanosheets.

    Nanoscale·2026

    Area of Science:

    • Materials Science
    • Nanotechnology
    • Solid-State Physics

    Background:

    • Single-walled carbon nanotubes (SWNTs) are graphene layers rolled into cylinders.
    • Plastic deformation of SWNTs is hypothesized to involve mobile topological defects.
    • Previous studies using transmission electron microscopy (TEM) lacked atomistic detail on deformation mechanisms.

    Discussion:

    • This study provides the first direct experimental imaging of pentagon-heptagon pair defects in SWNTs.
    • These defects were observed in SWNTs heated to 2,273 K using in situ high-resolution TEM (HR-TEM).
    • Topological defects were found to accumulate near kinks in deformed SWNTs.

    Key Insights:

    • Direct visualization of pentagon-heptagon pair defects confirms their existence in SWNTs.

    More Related Videos

    Fabrication of Low Temperature Carbon Nanotube Vertical Interconnects Compatible with Semiconductor Technology
    09:20

    Fabrication of Low Temperature Carbon Nanotube Vertical Interconnects Compatible with Semiconductor Technology

    Published on: December 7, 2015

    Localization and Relative Quantification of Carbon Nanotubes in Cells with Multispectral Imaging Flow Cytometry
    14:09

    Localization and Relative Quantification of Carbon Nanotubes in Cells with Multispectral Imaging Flow Cytometry

    Published on: December 12, 2013

    Related Experiment Videos

    Last Updated: Jul 3, 2026

    Detection and Quantification of Tunneling Nanotubes Using 3D Volume View Images
    12:45

    Detection and Quantification of Tunneling Nanotubes Using 3D Volume View Images

    Published on: August 31, 2022

    Fabrication of Low Temperature Carbon Nanotube Vertical Interconnects Compatible with Semiconductor Technology
    09:20

    Fabrication of Low Temperature Carbon Nanotube Vertical Interconnects Compatible with Semiconductor Technology

    Published on: December 7, 2015

    Localization and Relative Quantification of Carbon Nanotubes in Cells with Multispectral Imaging Flow Cytometry
    14:09

    Localization and Relative Quantification of Carbon Nanotubes in Cells with Multispectral Imaging Flow Cytometry

    Published on: December 12, 2013

  • The accumulation of defects near kinks supports their role in plastic deformation.
  • The findings provide experimental evidence for theoretical predictions of defect-mediated deformation.

    • Outlook:

    • Further research can explore the dynamics of these defects under various stress conditions.
    • Understanding these mechanisms can lead to the design of more robust carbon nanotube-based materials.
    • This work opens avenues for investigating other defect types and their influence on nanotube properties.