Multi-Walled Carbon Nanotubes

Nanografi provides high-quality Multi-Walled Carbon Nanotubes (MWCNTs) at every level to enhance your research and business performance.

What are Multi-Walled Carbon Nanotubes? - Multi-Walled Carbon Nanotubes (MWCNTs or MWNTs) are hollow, cylindrically shaped carbon allotropes known for their high aspect ratio, which refers to the length-to-diameter ratio. These nanotubes are distinguished by their structure, where multiple one-atom-thick sheets of carbon form the walls. MWCNTs are essentially composed of several layers of graphene nanotubes, each nested within another, which gives them their unique properties.

In terms of structure, MWCNTs can be described by two main models. The Russian doll model depicts these nanotubes as concentric cylinders of graphite sheets, while the Parchment model illustrates them as a single graphite sheet rolled around itself. This structural diversity allows MWCNTs to exhibit a range of properties. The electrical and thermal conductivity, density, and lattice structure of MWCNTs are influenced by their unique arrangement of carbon atoms. Furthermore, the diameter of these nanotubes plays a crucial role in determining their behavior and properties; wider diameters result in graphite-like characteristics, whereas narrower ones lead to properties that vary depending on the specific type of nanotube.

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