Buy DWNTs Double Walled Carbon Nanotubes for Gas Sensor

DWCNT, short for Double Walled Carbon Nanotubes, have short tube 1-2um and long tube 5-20um, with diameter 2-5nm. DWCNTs also have good properties of electromagnetism, adsorption, catalytic, mechanical, etc.. And they're used in various fields. DWCNTs Dispersion and functionalized types can be customized.

Double walled carbon nanotubes(DWCNT) is widely used as gas sensor for its good properties to achieve high sensitivity and selectivity.

MWCNTs Multi-Walled Carbon Nanotubes Price have excellent electric conductivity and mechanical strength

DWCNTs Double-walled Carbon Nanotubes have excellent field emission performance, light in weight.

HONGWU Carbon nanotubes includes SWCNT,DWCNT,MWCNT,The composite of carbon nanotubes with fiber materials can significantly improve the strength and properties of the materials. Due to the excellent mechanical properties and high electrical conductivity of carbon nanotubes, their introduction into high-strength fibers can effectively enhance the tensile strength and stiffness of the fibers.

Dwcnts, 2-5nm diameter, 1-2um or 5-20um length, widely used in semiconductor films.

Silicon Carbide nano particle dosage influencing on composite friction performance       For Silicon carbide nano particle is with Moh’s hardness about 9.2 which is a hard material. With its hardness, SiC nano powder is suitable to be additive for composite material and improve their toughened and strengthened.        For SiC nano additive has different influence to the relative density, hardness, electrical conductivity and friction and wear properties of the composites. Generally the relative density of the composites decreased with the increase of the content of nano SiC particles. The hardness of the composites increased with the increase of the content of SiC nano particles, but when the nano  SiC particles agglomerated, the hardness increased . However the content of silicon carbide nano powder affect to the conductivity of material is opposite. When the content of  SiC nano particle increase the conductivity of the composite decreases. According to some study when the content of SiC particles is about 0.5% -3%, the wear rate of the composites decreases with the increase of SiC content. When the SiC content is more than 3%, the wear rate of the composites increased with the increase of the content of  SiC nano-particles. The abrasive wear and the friction coefficient decreased with the increase of the SiC content. We provide our customers:   High quality silicon carbide particles(50nm,100nm,500nm,1um,5um,7um,10um,15um)   Volume pricing   Reliable service   Technical assistance Our products are all available with small quantity for researchers and bulk order for industry groups.  If you have any questions, please feel free to contact us. thank you. by Lyla

With β-Sic do electronic packaging materials, heaters, heat exchangers have high thermal shock resistance, good thermal conductivity,

Silicon nanopowders sepcification: 30-50nm 99%+, brown yellow, good spherical 100-200nm 99.9%+,brown black, amorphous 300-500nm 99.9%+,brown black, amorphous 1-2um 99.9+%, dark brown, amorphous Silicon nanopowder properties: High purity, good dispersion performance, small size, uniform distribution, large surface area, high surface activity, low apparent density. Nano Silicon powders is non-toxic, odorless, and with active features. Nano silicon powder is a new material for high capacity lithium battery anodes. Silicon nanopowders use for the rechargeable lithium battery cathode material: Due to the high absorption rate of nanometer silicon and lithium batteries, the nano silicon for lithium can significantly increase the capacity of lithium battery (theory can reach 4000mA / h). Nano silicon powder and graphite replace the nano carbon powder as raw materials for the lithium anode material, use the mechanical milling method for preparing the best ratio of silicon / graphite composites, silicon and graphite, which is 1:9. Composition Si-C composite material, can effectively reduce the expansion when silicon absorption lithium ions, increase the affinity with the electrolytic solution, and easily dispersed and can improve the cycle performance. Nano silicon nanowires made of silicon powder used in rechargeable lithium battery anode material in or on the surface of the nano silicon powder coated graphite anode materials used in rechargeable lithium battery, rechargeable lithium batteries can be improved more than three times the capacity and charge-discharge cycles.

Nano Ni2O3 Powders particle size is 20-30nm with 99.9% purity,widely used in catalyst.

Curved surface screen used nano silver wires Ag Nanowires available for different diameter and length in different forms to meet various demands.

Nano palladium powder can be used as a good hydrogen storage material. On the other hand, nano-palladium powder is an indispensable material for thick film conductive paste.