Carbon nanotubes
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Boron Nitride Nanotubes(BNNTs): High Thermal Conductivity Heat Dissipation Fillers BNNTs share the tubular structure of carbon nanotubes but deliver fundamentally different properties: electrical insulation, superior thermal stability (up to 900°C in air), and high thermal conductivity. With a wide bandgap of ~5.5 eV, they offer consistent, predictable performance where CNTs fall short. more
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New conductive material nickel nanowires NiNWs Hongwu Nickel nanowires have a wide range of potential applications in electronic materials, catalysis, polymers, magnetic storage ultra-high density recording materials, sensors and self-lubricating materials. more
Transparent Colloidal Ag Antibacterial Nano Silver Colloid Ag (Antibacterial Nano Silver Colloid) has been well known antibacterial, antiviral and antifungal properties are enhanced by small particle size and large surface area. more
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Latest news
Some nanomaterials for Thermochromic Application
Thermochromism refers to the phenomenon where a material undergoes color changes under temperature changes. This change is usually caused by changes in the electronic or molecular structure of the material. Its application principle mainly involves t...
Hit out of a new world! -

Microstructure determines the strength of materials,of which carbon nanotubes is one of the best. A group of researchers at Rice University in the United States has been working to explore new ways of using nanotube structures, culminating in a new approach of "collision".
Recently, the method of striking carbon nanotubes and other microstructure at a high speed helped scientists prepare nano diamond. Researchers used light gas guns to push microstructures to strike aluminum substrates at very high speed, some of which could destroy the chemical bonds between the atoms of the nanotubes and generated special atomic structures.
The microstructure generated by the impact attracted the scientists a lot. They hoped that they could prepare a better elastic lightweight materials for spacecraft and satellites on this basis . "Satellite and spacecraft are facing the devastating effects of various projectiles, such as tiny meteorites and orbital debris. To prevent this devastating damage,we need lightweight elastomeric materials with excellent mechanical properties. And carbon nanotubes is an ideal solution." A graduate student from Rice University said at a news conference.
The researchers tested how the nanotubes withstood collisions at different speeds. Most nanotubes did not change at low speeds (about 2.4 miles per second); most nanotubes remained constant at moderate speeds (about 3.2 miles per second); when impact rates as high as about 4.3miles per second, only a few nanotubes were unaffected; at the highest impact speed, most of the nanotubes split into nanobelts and recombined into new microstructures.
A postdoctoral researcher at Rice University, said, "Our previous reports have shown that carbon nanotubes was attacked at high speeds to form graphene nanobelts. We wanted to get carbon nanostructures, and we did not expect to see nanodiamonds, which surprised us."
by corrine
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