Single-walled Carbon Nanotubes (SWNTs, SWCNTs)

 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.

Single-walled nanotubes are an important variety of carbon nanotube because they exhibit electric properties that are not shared by the multi-walled carbon nanotube (MWNT) variants. In particular, their band gap can vary from zero to about 2 eV and their electrical conductivity can show metallic or semiconducting behavior, whereas MWNTs are zero-gap metals. Single-walled nanotubes are 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, and SWNTs can be excellent conductors.

Single-walled Carbon Nanotubes (SWNTs, SWCNTs) Applications

 

Potential applications of carbon nanotubes are: (1) additives in polymers; (2) catalysts; (3) electron field emitters for cathode ray lighting elements; (4) flat panel display; (5) gas-discharge tubes in telecom networks; (6) electromagnetic-wave absorption and shielding; (7) energy conversion; (8) lithium-battery anodes; (9) hydrogen storage; (10) nanotube composites (by filling or coating); (11) nanoprobes for STM, AFM, and EFM tips; (12) nanolithography; (13) nanoelectrodes; (14) drug delivery; (15) sensors; (16) reinforcements in composites; (17) supercapacitor.

  

Single-walled Carbon Nanotubes (SWNTs, SWCNTs) Products 

Single-Walled Carbon Nanotubes (SWNTs)

  SWNTs, >90%

  SWNTs, >90%, -OH

  SWNTs, >90%, -COOH

  Short SWNTs, >90% 

  Short SWNTs, >90%, -OH

  Short SWNTs, >90%, -COOH

  SWNTs, >60%

  SWNTs, >60%, -OH

  SWNTs, >60%, -COOH

  Short SWNTs, >60%

  Short SWNTs, >60%, -OH

  Short SWNTs, >60%, -COOH

Research Grade Single-Walled Carbon Nanotube Arrays 

  SWCNTs Array on Monocrystal Silicon, H: 100um

  SWCNTs Array on Monocrystal Silicon, H: 200um

  SWCNTs Array on Monocrystal Silicon, H: 300um

  SWCNTs Array on Polycrystal Silicon, H: 100um

  SWCNTs Array on Polycrystal Silicon, H: 200um

  SWCNTs Array on Polycrystal Silicon, H: 300um

  SWCNTs Array on Quartz, H: 100um

  SWCNTs Array on Quartz, H: 200um   SWCNTs Array on Quartz, H: 300um

Research Grade Multi-Walled Carbon Nanotube Arrays 

  MWCNTs Array on Monocrystal Silicon, H: 100um

  MWCNTs Array on Monocrystal Silicon, H: 500um

  MWCNTs Array on Monocrystal Silicon, H: 1000um

  MWCNTs Array on Polycrystal Silicon, H: 100um

  MWCNTs Array on Polycrystal Silicon, H: 500um

  MWCNTs Array on Polycrystal Silicon, H: 1000um

  MWCNTs Array on Quartz, H: 100um

  MWCNTs Array on Quartz, H: 500um   MWCNTs Array on Quartz, H: 1000um

Research Grade Carbon Nanotube Films and Papers 

  Carbon Nanotube Bucky Papers, Thickness 30um

  CNTs Highly Conductive Films, Thickness 18um

  CNTs Highly Conductive Tapes, Thickness 18um

  CNTs Metal Films with Cu, Thickness 20um

  CNTs Metal Films with Fe, Thickness 20um

  CNTs Metal Films with Ni, Thickness 20um

  CNTs Metal Tapes with Cu, Thickness 20um

  CNTs Metal Tapes with Fe, Thickness 20um   CNTs Metal Tapes with Ni, Thickness 20um

Aligned Multi-Walled Carbon Nanotubes (MWNTs)   ,CNT,CNTs,CNT,CNTs

Carbon Nanofibers & Graphitized Carbon Nanofibers

  Aligned MWNTs, >95%, OD: 10-20nm, Length: 5-15um   Carbon NanoFibers, Purity: >95%, OD: 200-600nm
  Aligned MWNTs, >95%, OD: 10-20nm, Length: 30-100um   Graphitized Carbon NanoFibers, Purity: >99.9%, OD: 200-600nm
Special Carbon Nanotubes (New Research Grade CNT Products) Carbon Nanotube Dispersions & Carbon Nanotube Dispersants
  SWNTs, >95%, Ignited Temperature>610 °C   CNTs Water Dispersion, OD: 5-15nm
  Large Inner Diameter Thin Wall CNTs, Purity: >90%,OD: 30-60nm,ID:20-50nm   CNTs Ethanol Dispersion, OD: 5-15nm 
  Flash-Ignited Multi-Walled Carbon Nanotubes, Purity: >50%, OD: 2-50nm   CNTs Isopropanol Dispersion, OD: 5-15nm
  Helical Multi-Walled Carbon Nanotubes,OD: 80-180nm, Length: 1-13um   CNTs N-Butanol Dispersion, OD: 5-15nm
  MWCNTs-NH2 (Multi-Walled Carbon Nanotubes Modified by Amino)   CNTs N-Methyl-2-Pyrrolidinone Dispersion OD: 5-15nm
  Nitrogen-doped Carbon Nanotubes / MWCNTs Doped with N   CNTs Water Dispersion, OD: 20-30nm
  Carbon NanoFibers, Purity: >95%, OD: 200-600nm    CNTs Ethanol Dispersion, OD: 20-30nm
  Graphitized Carbon NanoFibers, Purity: >99.9%, OD: 200-600nm   CNTs Isopropanol Dispersion, OD: 20-30nm
  CNTs-based Conductive Additives for Lithium Ion Battery   CNTs N-butanol Dispersion, OD: 20-30nm 
  CNTs(10wt%)-Mica(90wt%) Prepared by Electrostatic Adsorption    CNTs N-Methyl-2-Pyrrolidinone Dispersion OD: 20-30nm
  CNTs(10wt%)-TiO2(90wt%) Prepared by Electrostatic Adsorption    CNTs Water Dispersion, OD: 50-80nm
  CNTs(20wt%)-TiO2(80wt%) Prepared by Electrostatic Adsorption    CNTs Ethanol Dispersion, OD: 50-80nm
  CNTs(33.3wt%)-Black Carbon(66.7wt%) Prepared by Electrostatic Adsorption     CNTs Isopropanol Dispersion, OD: 50-80nm
  CNTs(20wt%)-Polystyrene Microspheres(80wt%) Prepared by Electrostatic   CNTs N-butanol Dispersion, OD: 50-80nm
  CNTs-Polypropylene Resin Matrix (CNTs: 20wt%, Polypropylene: 80wt%)   CNTs N-Methyl-2-Pyrrolidinone Dispersion OD: 50-80nm
  CNTS-High Density Polyethylene Resin Matrix (CNTs: 20wt%, HDPE: 80wt%)   CNTs Alcohol Dispersant 
  CNTs-LLD Polyethylene Resin Matrix (CNTs: 20wt%, LLDPE: 80wt%)   CNTs Ester Dispersant
  CNTs-High Impact Polystyrene Resin Matrix (CNTs: 20wt%, HIPS: 80wt%)   CNTs Water Dispersant

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