Carbon nanotube articles on Nanomaterials Fullerenes Carbon nanotubes Fullerene chemistry Applications In popular culture Timeline Carbon allotropes Nanoparticles Quantum dots Nanostructures Colloidal gold Colloidal silver Iron nanoparticles Platinum nanoparticles See also Nanotechnology This box: view • talk • edit 3D model of three types of single-walled carbon nanotubes. This animation of a rotating carbon nanotube shows its 3D structure. 10 grams of multiwalled nanotubes. Nanotubes clumped and smeared on paper. See also: Graphene and Buckypaper Carbon nanotubes (CNTs) are allotropes of carbon with a nanostructure that can have a length-to-diameter ratio of up to 28,000,000:1, which is significantly larger than any other material. These cylindrical carbon molecules have novel properties that make them potentially useful in many applications in nanotechnology, electronics, optics and other fields of materials science, as well as potential uses in architectural fields. They exhibit extraordinary strength and unique electrical properties, and are efficient conductors of heat. Their final usage, however, may be limited by their potential toxicity. Nanotubes are members of the fullerene structural family, which also includes the spherical buckyballs. The ends of a nanotube might be capped with a hemisphere of the buckyball structure.
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