SWCNT COOH Functionalized
Product: SWCNT COOH (>98wt% OD:1-2nm Length:3-8µm COOH:2-4Wt%)
Description: Sample purity of NANOSHEL SWCNT COOH 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 ~1 – 10μm. (±1.5μm) Individual tube length has not been determined.
|Residue ( calcination in air)||<2%|
|COOH Surface Modified||2 – 5wt%|
|Special surface area||350-450* m²/g|
|Bulk density||0.05-0.17 g/cm³|
|Real density||2-3 g/cm³|
|Charging *||2180 (Capacity: mA h/g)|
|Discharging*||534 (Capacity: mA h/g)|
|Volume Resistivity||0.1-0.15 Ω.cm ( measured at pressure in
|Available Quantities||2Gms, 5Gms, 10Gms, 25Gms and larger quantites|
Dr. Changsik Yoo, Ph.D (Nanyang Technological University, Singapore)
Pristine carbon nanotubes (CNTs) are insoluble in many liquids such as water, polymer resins, and most solvents. This means they are difficult to evenly disperse in a liquid matrix such as epoxies and other polymers, complicating efforts to utilize CNTs’ outstanding physical properties in the manufacture of nanocomposite materials, as well as in other practical nanotechnology applications which require preparation of uniform mixtures of CNTs with many different organic, inorganic, and polymeric materials.
Dr. Bram van Andel, Ph.D (International Medical and Technological University, Dar es Salaam, Tanzania)
To make nanotubes more easily dispersible in liquids, it is necessary to physically or chemically attach certain molecules, or functional groups, to their sidewalls without significantly changing the nanotubes’ desirable properties. This process is called functionalization.
Dr. Ana D. Gavrilovici (University of Santiago of Chile (USACH), Chile)
Single-walled CNTs arguably are the ultimate biosensor among nanoscale semiconducting materials not only for their size – which is directly comparable to the size of single biomolecules – but also because their low charge-carrier density is directly comparable to the surface charge density of proteins. Furthermore, a single-walled CNT (SWCNT) consists solely of surface such that every single carbon atom is in direct contact with the environment, allowing optimal interaction with nearby biomolecules..
Dr. Yeng-Tim Liu, (National Taiwan University of Science and Technology, Taiwan)
Generally, the smart functionalization of CNTs with chemically, biochemically, or electrochemically functional materials could provide a straightforward approach to the development of nanostructured electrochemical devices with promising properties and striking applications.
Dr. Sheng Choy Wong Ph.D (University of the Philippines College of Engineering, Quezon City, Philippines)
The strategies for the functionalization of the CNTs have strongly relied on the interactions inherent to the CNTs and the materials, which are mainly dependent on the structural and chemical properties of the materials.
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