High Purity Electrical Conductivity Carbon Nanotubes
Product: Electrical Conductivity Carbon Nanotubes (SWCNT, Purity:>99.9 wt% OD:2-3nm, Length:3-8um)
Description: Sample purity of NANOSHEL Electrical Conductivity Carbon Nanotubes is 90-98 Vol%, as determined by Raman Spectrophotometer and SEM Analysis. Nanoshel Nano material contains no residual catalyst impurities. Tubes occur in bundles of length ~1 – 10μm (±1.5μm). Individual tube length has not been determined.
|Materials||Electrical Conductivity Carbon Nanotubes (SWCNTs)|
|Category||SE-SL-1 (Electrical Grade SW)||Confirm|
|Purity||>98% (SWNT) Electric current density >10-2S/cm||Confirm|
|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)
Electrical Conductivity Carbon Nanotubes film is a threedimensional film of tens of nanometer thickness, consisting of an interwoven mesh of single-walled nanotubes, exhibiting uniform physical and electronic properties independent of the diameter, chirality, location, and direction of individual tubes making up the film due to ensemble averaging. Their low resistivity, high transparency in visible and near IR wavelengths, and the ability to deposit and pattern them on a variety of substrates with high reliability and reproducibility have established CNT films as a class of materials that can be used as transparent and conductive electrodes in a wide range of optoelectronic devices.
Dr. Bram van Andel, Ph.D (International Medical and Technological University, Dar es Salaam, Tanzania)
Electrical Conductivity Carbon Nanotubes also called buckytubes, are cylindrical carbon molecules with unique properties that make them potentially useful in a wide variety of applications. These include applications in nano-electronics, optics, and materials applications. CNTs exhibit extraordinary strength as well as unique electrical, mechanical and thermal properties Buckyballs are spherical fullerenes, whereas CNTs are cylindrical, with at least one end typically capped with ahemisphere with the buckyball structure.
Dr. Ana D. Gavrilovici (University of Santiago of Chile (USACH), Chile)
Electrical Conductivity Carbon Nanotubes reportedly have extremely high surface areas, large aspect ratios, and remarkably high mechanical strength. The tensile strength of CNTs is 100 times greater than that of steel, and the electrical and thermal conductivities approach those of copper. These unique properties make CNTs good candidates as fillers in different polymers and ceramics to realize desirable consumer products. CNTs are also good incorporating agents due to their unique electrical, mechanical and thermal properties.
Dr. Yeng-Tim Liu, (National Taiwan University of Science and Technology, Taiwan)
Electrical Conductivity Carbon Nanotubes exhibit unique conductive properties. SWNTs are metals with resistivities that range from 0.34 × 10–4 to 1.0 × 10–4 ohm·cm. the bonding of the carbon atoms in CNTs, arranged in a hexagonal lattice, each carbon atom is covalently bonded to three neighbor carbons via sp2 molecular orbitals. Thus, the fourth valence electron remains free in each unit, and these free electrons are delocalized over all atoms and contribute to the electrical nature of CNTs.
Dr. Sheng Choy Wong Ph.D (University of the Philippines College of Engineering, Quezon City, Philippines)
Electrical Conductivity Carbon Nanotubes can be conducting or semi-conducting types depending on the type of chirality Semiconducting SWNTs are usually in the form of p-type semiconductors. MWCNTs are composed of many tubes of SWCNTs and therefore are not likely to be strictly one-dimensional conductors. A pseudo-gap was observed in I –V measurements, which attributes to its conducting natureThe important aspect of CNT emitters is that the emission can be obtained at a lower threshold voltage. CNTs can also be used in sensors, micron-scale on-chip triodes at a high frequency (>200 MHz), vacuum microelectronics, and for X-ray generation.
This material ships as dry granules or powder. Each grade contains particles with an average thickness and surface area. All dimensions represent median sizes and there is a distribution around the mean. Nanoshel offers Electrical Conductivity Carbon Nanotubes to Nanoparticles with wide variety of application and offers full scale projects for researchers. by Nanoshel.
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