What are carbon nanotubes useful for?

As of 2013, carbon nanotube production exceeded several thousand tons per year, used for applications in energy storage, device modelling, automotive parts, boat hulls, sporting goods, water filters, thin-film electronics, coatings, actuators and electromagnetic shields.

Why is a carbon nanotube very strong?

Nanotubes have high tensile strength , so they are strong in tension and resist being stretched. Like graphene, nanotubes are strong and conduct electricity because they have delocalised electrons.

What is the most important advantage of carbon nanotubes for future electronics?

In addition to high flexibility and stretchability, both materials also have superb mechanical strength (Young’s modulus of 1.0 TPa and tensile strength of 130 GPa) [21]. For these reasons, CNTs and graphene are regarded as the most promising materials to realize next-generation electronics.

Why carbon nanotubes are important in industry?

It has advantages in lightweight, high strength, high toughness, flexibility, high surface area, high thermal conductivity, good electric conductivity and chemical stability. Carbon nanotube can be applied to manufacture smaller transistors or electronic devices.

What are nanotubes used for GCSE?

Nanotubes have high tensile strength , so they are strong in tension and resist being stretched. Like graphene, nanotubes are strong and conduct electricity because they have delocalised electrons. These properties make nanotubes useful for nanotechnology, electronics and specialised materials.

Why are nanotubes good conductors of electricity?

Carbon nanotubes have a very high melting point, as each carbon atom is joined to three other carbon atoms by strong covalent bonds. This also leaves each carbon atom with a spare electron, which forms a sea of delocalised electrons within the tube, meaning nanotubes can conduct electricity.

Why can nanotubes be used as lubricants?

Carbon nanotubes are ideal lubricant additives due to their excellent mechanical properties. However, these CNTs showed a significant loss in their graphitic structure after the use. It has been reported that these nanomaterials can form a transfer layer of amorphous carbon.

Why are carbon nanotubes good conductors?

What can nanotubes be used for in the future?

Because carbon nanotubes are highly electrically conductive, they have the ability to be a cost-effective replacement for metal wires. In the future, CNTs will likely compete with carbon fiber for high-end uses, particularly in weight-sensitive applications such as Kevlar. …

Why are carbon nanotubes strong GCSE?

Nanotubes. Carbon nanotubes have a very high melting point, as each carbon atom is joined to three other carbon atoms by strong covalent bonds. This also leaves each carbon atom with a spare electron, which forms a sea of delocalised electrons within the tube, meaning nanotubes can conduct electricity.

Why are carbon nanotubes used as lubricants?