Carbon nanotubes biography
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Carbon nanotubes and graphene
| Carbon nanotubes and graphene | |
|---|---|
Model of two crossing CNT on a graphene surface[1] | |
| Material Details | |
| Material Category | Growth |
| Material Restriction | Metals |
| Other Names | CNT, graphene, SWCNT, MWCNT |
Carbon nanotubes (CNTs) and graphene are allotropes of carbon which have unique electrical, mechanical & other physical properties. Graphene is a two-dimensional material, basically a single layer of graphite, with carbon atoms arranged in a hexagonal, honeycomb lattice. Carbon nanotubes are hollow, cylindrical structures, essentially a sheet of graphene rolled into a cylinder. The angle at which they are rolled (their "chirality"), and their diameter, affect their properties. CNTs can be single-walled (SWCNTs or SWNTs) or multi-walled (MWCNTs or MWNTs).
Properties
CNTs and graphene have many remarkable properties, and have been suggested for a wide range of applications. In both graphene and CNTs, the carbon atoms are connected by sp2 bonds, which are even stronger than the sp3 bonds found in diamond, and which give both materials exceptional strength. In addition, both have extremely high thermal conductivity, electron mobility, and chemical reactivity. Both exhibit interesting physics due to their two-dimensi
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Carbon Nanotubes History And Production Methods is intended to convey a general understanding of what Carbon Nanotubes are, their history, synthesis, & purification methods. Please also visit our Carbon Nanotubes Properties And Applications Guide Here
Carbon Nanotubes History And Production Methods
Overview
History
Synthesis
Purification
Dispersion
Functionalization
Since the discovery of carbon nanotubes (CNTs) in 1991 by Iijima, a whole new discipline in materials science has developed, Nanoscience. Hundreds of millions of dollars have been invested trying to unlock the secrets of these revolutionary materials.
These functional nanoscale materials have a variety of unique, fascinating, and never seen before properties. In fact, a 4th state of matter was recently discovered as water trapped inside a carbon nanotube doesn’t act as a solid, liquid, or gas.
Carbon Nanotubes Overview
Our carbon nanotubes overview is designed to give the reader an in depth understanding of these amazing materials.
On a molecular level, CNTs are 100 times stronger than steel at one-sixth the weight and have a very large aspect ratio making them very useful as a mechanical property enhancing filler material.
Carbon Nanotubes conduct heat and electricity similar to coppe
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History of Element Nanotubes
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