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- Discovered in 1991 by Sumio IijimaNanoword.net: Nanotube
- Made molecule-thick sheets of interlocked carbon atoms
- Sheets typically made out of graphite or graphene
- Diameters are measured in nanometers (one billionth of a meter)
- About 50,000 to 100,000 times thinner than a human hairUC Berkeley News: Single nanotube makes world's smallest radio (October 31, 2007)
- As fibers, exhibit high stiffness and tensile strengthNanoword.net: Nanotube
- Exhibit different physical properties when arranged in different shapes
- Can be made out of a single tube (single-walled) or many coaxial tubes inserted into one another (multi-walled)Nanoword.net: Nanotube
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Nanotubes are extremely small cylinders made from sheets of carbon that are only a single molecule in thickness. When rolled into seamless cylinders, the carbon forms a microscopic but very strong fiber that can be manipulated to exhibit many different physical properties.
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Nanotube Properties
Depending on their shape, nanotubes can exhibit a variety of properties, including:- High tensile strength
- Heat conductivity
- Head insulation
- Electrical conductivity
- Electrical insulation
- SemiconductivityNanoword.net: Nanotube
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Nanotubes Questions
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Will electronic circuits be printed as plastic circuits? 1 AnswerThere isn't currently a proliferation of electric circuits?! Although there is alot of potential in carbon nanotubes for the moment we cannot 'print' them. Curr... read more -
What is the best paper on wiring up hydrogenase enzymes with carbon nanotubes? 1 AnswerThis one is the only search result in PubMed for the keywords. Nano Lett. 2007 Nov;7(11):3528-34. Epub 2007 Oct 30. Wiring-up hydrogenase with single-walled ca... read more -
What would be an appropriate area of current chemical research that is good to study? 1 AnswerThere has been extensive new research in the field of waste water treatment - using organic methods rather than standard chemical treatment - in other words its... read more
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On Twitter Powered by Twitter
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Nanotubes used for first time to send signals to nerve cells... http://tinyurl.com/yb99zgs
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Beaded Cobalt Oxide Nanoparticles along Carbon Nanotubes: Towards... http://tinyurl.com/y9vardy
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Coalescence of Single-Walled Carbon Nanotubes -- Terrones et al... http://tinyurl.com/ylc7xsn
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Defects in Carbon Nanotubes Could Lead to Improved Charge and Energy Storage - ZPEnergy http://ow.ly/164l4a
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@JMAbrassart Ne parlons que risque sanitaire des nanoparticules et nanotubes. http://bit.ly/1C4StI Selon vous, il n'y a rien à craindre ?
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