graphene and fullerenes Flashcards

1
Q

what is graphene?

A

a single layer of graphite

meaning it’s only ONE atom thick

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2
Q

how thick is graphene?

A

1 atom thick

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3
Q

properties of graphene

A

graphene is an excellent conductor of electricity (cuz of its delocalised electrons)

graphene is extremely STRONG(useful for new materials)

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4
Q

why is graphene an excellent conductor of electricity?

A

because it has delocalised electrons

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5
Q

similiarity between graphite and graphene

A

both good conductors of electricity

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6
Q

what are fullerenes?

A

fullerenes are molecules of carbon atoms with HOLLOW shapes

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7
Q

properties of fullerenes

A

molecules of carbon atoms with hollow shapes

have hexagonal rings of carbon atoms

can also have rings with 5 or 7 carbon atoms

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8
Q

what was the first fullerenes molecule to be discovered

A

buckminsterfullerene (C60)

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9
Q

what does buckminsterfullerene consist of ?

A

60 carbon atoms arranged in a hollow sphere, the carbon atoms form rings with either 6 carbon atoms or 5 carbon atoms

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10
Q

what are the uses of fullerenes

A

pharmaceutical delivery to the body

LUBRICANTS (e.g machines to stop moving parts from grinding together)

CATALYSTS

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11
Q

what are carbonanotubes?

A

a group of fullerenes shapes into long cylinders

rings formed of 6 carbon atoms

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12
Q

properties of carbon nanotubes

A

high tensile strength ( can be stretched without breaking)

excellent conductors of heat and electricity

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13
Q

what is one use of carbon nano tubes

A

used to reinforce materials (e.g tennis rackets)

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