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It is a very good conductor.
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∙ 8y ago
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What are the disadvantages of graphene?
There are a few issues associated with graphene that are preventing its commercialisation. The main issue at present is still the production methods for it. At present, there is no good general synthesis method that produces graphene quickly, precisely and in large enough quantities. Until this is overcome, we will not be seeing graphene on the mass-market. Issues surrounding biocompatibility and cytotoxicity are still to be fully addressed with different studies contradicting each other. There are also issues with the electrical properties of graphene that need to be fully sorted out. Graphene does have excellent mechanical and electrical properties but it is not necessarily the 'miracle material' that the media portray it as and I wouldn't be surprised if we are still "just talking" about it in 10 years time. However, if the aforementioned issues can be overcome then I definitely think it will be revolutionising electronics, civil engineering and medicine in the coming decades.
How do you derive graphene's low-energy Hamiltonian?
ask Liviu Chibutaru
Which form of carbon is a good cunductor of electricity and heat?
Graphite and graphene (SP2 electron configuration) are good conductors of electricity. They have delocalised p orbitals which carry charge. Diamond and buckminster-fullerene are badconductors of electricity since their electrons are bound to the atoms. Graphite and graphene are quite good at conducting heat, but diamond is the really good one - in fact it is the best conductor of heat known to man. This is because of the rigid sp3 tetrahedrallattice structure which allows vibrations to travel oober fast.
What is an exception of non-metals with high tensile strength?
Carbon Nano Tubes, Graphene.
What is the most elastic substance in the world?
Lead is the most stretchable of any element.
What element is the second best conductor of electricity?
Carbon nanotubes or graphene
What would be an example of a good thermal conductor?
Graphene is the best thermal conductor. Any metal or metallic objects such as a frying pan would be a good thermal conductor, including diamond.
What native mineral is the best conductor of electricity?
Until recently, diamond would have been the answer, but graphene films have even higher conductivity. But graphene would not (yet) be considered a native mineral. [Most probably]
ISplatinum the best conductor of heat and electricity?
No. Conventionally, silver held these two records, but now surpassed by diamond, and graphene.
What is a graphene filter?
Graphene is a sheet of Carbon atoms, or one layer of Graphite ("lead" in a pencil). A graphene filter is a filter made of graphene.
Is carbon good conductor of heat?
add. Diamond is an excellent conductor of heat - second only to graphene, and superior to silver. It is used as a thermal substrate for some semiconductor chips.have a crack at 'thermal conductivity' in wikipedia.
What are the properties of graphene?
Graphene is pretty amazing. An adequate description of the properties is rather long. There is a link below to the properties section of an article on graphene.
How does graphene form?
Graphene is formed by peeling extremely thin layers of graphite off of a larger piece, in the original paper published on graphene it was done using tape.
What is the world's second best conductor?
The phrase "best conductor" is somewhat deceptive because conductance is often associated with resistivity. As an example, some consider Silver to be a better conductor than Gold because it has a slightly lower resitivity, but fail to take temperature into account. When electrical current passes through a conductor, it causes the conductor to heat up. As Silver heats up, it's resistivity remains relatively constant, but as Gold heats up, it's resistivity drops. So at room temperature, Silver appears to be a better conductor than Gold, but in pratice, Gold conducts better than Silver. Currently there is a new material known as Graphene that may turn out to be an even better conductor than either Gold or Silver. So when asked which conductor is best, the answer may soon be Graphene, followed by Gold, followed by Silver. Unless of course you mean "Which conductor has the lowest resistivity at room temperature?"
What is graphene?
Graphene is a very thin layer of graphite. It is so thin, it is so close to being invisible!
How does the molecular structure of graphene differ from the other allotropes of carbon diamond and graphite?
The molecular structure of graphene differ from the other allotropes of carbon diamond and graphite in that graphene consist of a single layer of atoms.
What is the hardness of graphene on the mohs scale?
graphene according to how much it can hold (calculator) and how dense it is.
