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Nano-Technology
and Nano-Sciences
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CARBON
PAMPHLET |
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High Purity (97%) Carbon
Nano Fibers (CNF’s)/Tubes (CNT’s) for High Tech Industries. |
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Comparison of
Engineering Properties. |
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Properties |
Our Products
(Nano Carbon) |
By Comparison |
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Size (in
diameter) |
SWCNF =
0.6-4.5 nm
MWCNT =
20-50 nm
SWCNT =
0.6-1.8 nm |
Electron
beam lithography can create lines 50 nm wide, a few nm thick |
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Current
Carrying Capacity |
Estimated at 1 billion mps per square centimeter |
Copper wire burn out at about 1 million A/cm |
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Field
Emission |
Can activate phosphorus at 1-3 volts if electrodes are spaced
1 micron apart |
Nearly pure diamond transmits heat at 3.320 W/mK |
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Heat
Transmission |
Predicted to be as high as 6,000 watt per meter per Kelvin
at room temperature |
Metal wires in microchips melt at 600-1000 0C |
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Temperature stability |
Stable up to 2,800 0C in vacuum, 750 0C
in air |
Melt wires in microchips at 600-700 0C |
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Material |
Elastic
Modulus
(GPa) |
Strain
(%) |
Yield
Strength
(GPa) |
Density
(g/cm3) |
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SWCNT* |
1210 |
4 |
65 |
1.4 |
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MWCNT* |
1260 |
1.5 |
2.7 |
1.8 |
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Graphite carbon* |
560 |
1.2 |
2.1 |
1.6 |
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Titanium |
103 |
15 |
0.9 |
4.5 |
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Aluminum |
69 |
16 |
0.5 |
2.7 |
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Steel |
207 |
9 |
0.8 |
7.8 |
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Our Products.
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Engineering Applications |
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CNT-stronger than steel, faster than silicon and much lighter than
aluminum.
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Construction Engineering (Form good load-bearing reinforcement in
composite materials)
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Mechanical, Automotive, and Aerospace Engineering (Auto/air/Space
body parts)
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Electrochemical Engineering (Rechargeable batteries and fuel cells)
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Biomedical Engineering (Transistors, Logic Gates, Microelectronics,
Gas discharge tubes)
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Present Use of CNT’s. |
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Vehicle finder in Nissan.
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Tennis Rackets.
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X-ray source
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FEL Source.
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Supporting Catalyst Electrodes
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Tyre and Rubber Industries
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Sugar Industries
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Defense Applications
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Chemical/Petrochemical Industries
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Fuel Cell
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Electronic Industries.
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Picture Gallery |
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Graphitic Carbon |
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.JPG) |
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Graphitic Multiwalled Carbon Nano tubes (MWCNT’s) |
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Multi Walled Carbon nano Fibers. |
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.JPG) |
.JPG) |
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SWNCT’s (Single Walled C-Nano Tubes)
(For Storage Purposes) |
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Multiphoton quantum dots, i.e. nano particles with
special light properties that can be used for imaging in bilogical
matereials |
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The Process |
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For
further information Pl. contact |
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Professor Dr. Syed Tajammul Hussain, |
Dr.
M. Mazhar, |
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Director
Centre for Nano Science & Technology (CNST) |
Chairman, Chemistry Department |
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National Centre for Physics (NCP), |
Quaid-i-Azam
University, Islamabad, |
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Islamabad |
Pakistan. |
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Ph: 0300-9548833
(O): 051-9064-2226 |
Ph:
0300-5193859 |
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e-mail: dr_tajammul@yahoo.ca |
e-mail: mazhar42pk@yahoo.com |
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