Table of Contents
How are fullerenes made?
Fullerenes are made by vaporizing graphite in the arc or with an electric current in a low-pressure helium or argon atmosphere.
What are carbon nanotubes BBC Bitesize?
Nanotubes. Nanotubes are a type of fullerene and are molecular-scale tubes of carbon arranged similarly to the layers in graphite. Carbon nanotubes have a very high melting point, as each carbon atom is joined to three other carbon atoms by strong covalent bonds.
What is a single layer of graphite called?
So, graphene is fundamentally one single layer of graphite; a layer of sp2 bonded carbon atoms arranged in a honeycomb (hexagonal) lattice.
Why is fullerenes so strong?
Fullerenes are forms of carbon, and include nanotubes and buckyballs . A nanotube resembles a layer of graphene, rolled into a tube shape. Nanotubes have high tensile strength , so they are strong in tension and resist being stretched.
Is fullerene man made?
The research of Dr Andrei Khlobystov into the formation of fullerenes (a manmade form of pure carbon in a shape of hollow balls, also called Bucky balls) from graphite (a naturally occurring form of pure carbon that is comprised of sheets of carbon atoms arranged in regular hexagons) has been published by the …
Where is graphene used?
Graphene has a lot of promise for additional applications: anti-corrosion coatings and paints, efficient and precise sensors, faster and efficient electronics, flexible displays, efficient solar panels, faster DNA sequencing, drug delivery, and more.
What do you need to know about Nanoscience for GCSE?
Nanoscience is now a more prominent part of the GCSE chemistry specifications. From nanoparticles to carbon nanotubes, there are a number of aspects to nanoscience that you have to learn for your GCSE chemistry exam. Whether you are AQA GCSE chemistry or, OCR, Edexcel combined Science; nanoparticles are part of the course.
What kind of structure is a carbon nanotube?
Nanotubes are a type of fullerene and are molecular-scale tubes of carbon arranged similarly to the layers in graphite. Carbon nanotubes have a very high melting point, as each carbon atom is joined to three other carbon atoms by strong covalent bonds.
How are nanotubes like a layer of graphene?
A nanotube resembles a layer of graphene, rolled into a tube shape. 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. Nanotubes can be several millimetres long but only a few nanometres wide
Can you use nanoparticles in AQA GCSE chemistry?
Whether you are AQA GCSE chemistry or, OCR, Edexcel combined Science; nanoparticles are part of the course. Utilise the revision materials below to discover the uses of nanoparticles.