High Purity SWCNT
Product: Single Wall Carbon Nanotubes
Description: Sample purity of NANOSHEL Single Wall Carbon Nanotubes is 80-98 Vol%, as determined by Raman Spectrophotometer and SEM Analysis. Nanoshel Nano material contains no residual catalyst impurities. Tubes occur in bundles of length ~10 – 30μm (±1.5μm). Individual tube length has not been determined.
|Materials||Single Wall Carbon Nanotubes (SWCNTs)|
|Residue ( calcination in air)||<1%||Confirm|
|Special surface area||350-450* m²/g||Confirm|
|Bulk density||0.17-0.30 g/cm³||Confirm|
|Real density||2-3 g/cm³||Confirm|
|Charging *||2180 (Capacity: mA h/g)||Confirm|
|Discharging*||534 (Capacity: mA h/g)||Confirm|
|Volume Resistivity||0.1-0.15 Ω.cm ( measured at pressure in powder)||Confirm|
|Available Quantities||2Gms, 5Gms, 10Gms, 25Gms and larger quantites|
|Main Inspect Verifier||Manager QC|
Dr. Changsik Yoo, Ph.D (Nanyang Technological University, Singapore)
Single-walled nanotubes are important form of carbon nanotube because they exhibit electric properties that are not exsist in the multi-walled carbon nanotube (MWNT) variants. In particular, the band gap of SWNT can vary from zero to about 2 eV and their electrical conductivity can show metallic or semiconducting behavior.
Dr. Bram van Andel, Ph.D (International Medical and Technological University, Dar es Salaam, Tanzania)
Single-walled nanotubes are excellent conductors & the most likely candidate for miniaturizing electronics beyond the micro electromechanical scale currently used in electronics. The most basic building block of these systems is the electric wire.
Dr. Ana D. Gavrilovici (University of Santiago of Chile (USACH), Chile)
Most single-walled nanotubes (SWNT) have a diameter of close to 1 nanometer, with a tube length that can be many millions of times longer. The structure of a SWNT can be conceptualized by wrapping a one-atom-thick layer of graphite called graphene into a seamless cylinder.
Dr. Yeng-Tim Liu, (National Taiwan University of Science and Technology, Taiwan)
SWNTs exhibit a richness in electronic behavior that may be exploited for molecular device applications. For example, metallic nanotubes may be used in resonant tunneling devices and also function as interconnects between device elements. Semiconducting nanotubes have already shown their utility in nanometer-sized field-effect transistors.
Dr. Sheng Choy Wong Ph.D (University of the Philippines College of Engineering, Quezon City, Philippines)
The finite-sized SWNTs may be employed to raise the operating temperature of nanotube-based devices. Finally, metallic nanotubes decorated with magnetic impurities exhibit an enhancement in their conductance at low energies, and unique applications of these magnetic nano-structures may soon be uncovered.
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