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THE DISCOVERY, STRUCTURE, PROPERTIES AND APPLICATION OF
CARBON NANOTUBES
by Victoria Riabicheva Olexandra Tupalo
English supervisor- Ekaterina KuznetsovaScience supervisor- Oleg Uzlov
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Carbon nanotubes are molecular-scale tubes of graphitic carbon with outstanding properties.
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the Japanese scientist Sumio Iijima discovered fullerene-related carbon nanotubes in 1991
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armchair
zig-zag
chiral
There are three distinct ways in which a
graphene sheet can be rolled into a tube
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Synthesis
The arc-evaporation method The catalyst Laser ablation
plasma (violet) improves the growth conditions for carbon nanotubes in this chemical vapor deposition chamber. A heating element (red) provides the necessary substrate temperature
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Properties
tensile strength 63 GPa can withstand a pressure up to 24GPa
without deformation moderate semiconductor
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Application
Textiles Concrete Polyethylene Sports equipment Space elevator Synthetic muscles Fire protection Air pollution filter Water filter
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Defects High levels of such defects can
lower the tensile strength by up to 85%
Toxicity Stone-Wales defect
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Thank you for your attention