The present invention relates to carbon nanotubes which are characterized by satisfying the requirements (1) to (3) described below. (1) An aqueous dispersion liquid of the carbon nanotubes has a pH of from 8.0 to 10.0. (2) The BET specific surface area of the carbon nanotubes is from 200 to 800 m.sup.2/g. (3) IfY is the average fiber length (nm) of the carbon nanotubes and X is the BET specific surface area (m.sup.2/g) of the carbon nanotubes, X and Y satisfy Y = -aX + b (wherein a and b represent constants, while satisfying 2.2≤a≤3.5 and 2,300≤b≤5,000).

Systems and methods for the gas-phase production of carbon nanotube (CNT)-nanoparticle (NP) hybrid materials in a flow-through pyrolytic reactor specially adapted to integrate nanoparticles (NP) into CNT material at the nanoscale level, and the second generation CNT-NP hybrid materials produced thereby.

There is provided a carbon nanotube dispersion containing carbon nanotubes, a dispersing agent, and a solvent in which the carbon nanotubes include first carbon nanotubes having an average outer diameter of 0.5 to 5 nm and second carbon nanotubes having an average outer diameter of 5 to 20 nm, and the mass ratio between the first carbon nanotubes and the second carbon nanotubes is 1:10 to 1:100.

The invention pertains to the use of porous, chemically interconnected, isotropic carbon-nanofibre-comprising carbon networks for electromagnetic interference shielding (EMI). The invention also relates to a A composite assembly comprising a thermoplastic, elastomeric and/or thermoset polymer matrix and at least 15 wt%, preferably at least 20 wt%, more preferably 20 - 80 wt% of porous, chemically interconnected, crystalline carbon-nanofibres comprising carbon networks based on the total assembly weight.

An electrode mixture includes an electrode active material and a carbon nanotube as a conductive fibrous carbon material. The electrode mixture includes an inorganic nanoparticle disposed on a surface of the electrode active material.

A carbon nanotube aligned film as well as a preparation method and application thereof are disclosed. The preparation method includes: providing a carbon nanotube dispersion solution comprising a selected carbon nanotube, a polymer as a carbon nanotube dispersing agent and binding to the selected carbon nanotube, an aromatic molecule binding to the selected carbon nanotube and allowing the surface of the selected carbon nanotube to have the same charges and an organic solvent being at least used for cooperating with the rest components of the dispersion solution to form uniform dispersion solution; and introducing a water phase layer to the upper surface of the dispersion solution to form a double-layer liquid phase system, partially or completely inserting a base into the double-layer liquid system, and then pulling out the base so as to form the carbon nanotube aligned film on the surface of the base.

A carbon based material, an optical rectenna and a semiconductor device including the same are provided. The carbon based material includes a carbon nanomaterial and a metal material bonded to the carbon nanomaterial, where the carbon nanomaterial includes a fluorine material.

To reduce cost for the method for separating semiconducting carbon nanotube from a mixture of metallic and semiconducting carbon nanotubes. The separation method includes preparing a dispersion by mixing a first substance, a second substance, SDS, SC, and a mixture of metallic and semiconducting carbon nanotubes with a solvent, wherein the dispersion into two layers, which are a first layer mainly containing the first substance and a second layer mainly containing the second substance, whereby the semiconducting carbon nanotube is transferred into the first layer, and the metallic carbon nanotube is transferred into the second layer, wherein the first substance is an α-glucan which is composed of glucose linked via α-glucosidic linkage and which has a weight average molecular weight Mw of 4,000 to 7,000 and has a ratio in amount of α-1, 6 linked glucose residues to the entire glucose residues of 40 to 70%.

A technology called RINSE (Removal of Incubated Nanotubes through Selective Exfoliation) is demonstrated. RINSE removes carbon nanotube (CNT) aggregates in CNFETs without compromising CNFET performance. In RINSE, CNTs are deposited on a substrate, coated with a thin adhesive layer, and sonicated. The adhesive layer is strong enough to keep the individual CNTs on the substrate, but not the larger CNT aggregates. When combined with a CNFET CMOS process as disclosed here, record CNFET CMOS yield and uniformity can be realized.

There is provided methods and systems for disaggregation and deagglomeration of small scale materials such as carbon nanotubes by cavitation of a treatment substance. The treatment substance may be a substance such as CO.sub.2 which is capable of undergoing phase changes. Systems must be capable of withstanding high pressures, and cavitation may be done by ultrasound, mechanical agitation, injection of a jet stream, or other methods. Materials treated via the methods of the invention may be removed without the use of chemical surfactants or other chemical modification means, and may be further used in a battery.