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900788 Sigma-Aldrich

Carbon nanotube, few-walled

carbon ≥95 %, D × L 2.5-3 nm × 2-6 μm

Synonym: FWCNT, FWNT, Few wall carbon nanotubes, Few-walled carbon nanotubes, Signis® FW100



Related Categories Carbon Nanomaterials, Carbon Nanotubes, Double-Walled Carbon Nanotubes, Materials Science, Multi-Walled Carbon Nanotubes,
Quality Level   100
description   Deposition temp: 550 ± 50 °C
  G/D ratio: ≥10 (Raman)
  Median number of walles: 2 to 3 (TEM)
assay   ≥94% (carbon as CNT by TGA)
form   powder
composition   Carbon, ≥95% TGA
  carbon, ≥95%
sheet resistance   ≤350 Ω/sq, at 0.15 g/m2 (Buckypaper)
D × L   2.5-3 nm × 2-6 μm
impurities   ≤5 wt. % moisture content (TGA)
surface area   spec. surface area ≥700 m2/g (BET)
bulk density   0.05 g/cm3 (ASTM D7481)
storage temp.   room temp


General description

Signis® FW100 is engineered to meet the growing demand for a material with the high conductivity, large surface area, and to contain mostly double and triple walled carbon nanotubes. Applications for few-walled carbon nanotubes include advanced battery electrode additives, super/ultracapacitor materials, and more.


• Battery materials.
• Supplementation of lithium sulphur battery cathode materials.


1 g in glass bottle

250 mg in glass bottle

Features and Benefits

• Reinforced molecular structure.
• Improved electron transport.

Preparation Note

CoMoCAT synthesis process

Legal Information

CoMoCAT is a trademark of Chasm Advanced Materials

Signis is a registered trademark of Chasm Advanced Materials

Safety & Documentation

Safety Information

NONH for all modes of transport
WGK Germany 
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable


Certificate of Analysis (COA)

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Protocols & Articles


Organic Optoelectronics on Shape Memory Polymers

Center for Organic Photonics and Electronics (COPE), School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, USA *E-mail: bernard.kippelen@ece.gatech.e...
Canek Fuentes-Hernandez, Bernard Kippelen*
Material Matters, 2017, 12.3
Keywords: AGE, Adhesion, Atomic layer deposition, Biological processes, Catalysis, Ceramics, Deposition, Electronics, Environmental, Nanomaterials, Nanotubes, Oxidations, Photovoltaics, Polymerization reactions, Reductions, Semiconductor, Separation

Synthesis and Applications of Graphene Nanoribbons Synthesized

1 Department of Chemistry, 2 Smalley-Curl Institute and The NanoCarbon Center, 3 Department of Materials Science and NanoEngineering, Rice University, 6100 Main Street MS 222, Houston, Texas 77005, U...
Keywords: Building blocks, Capillary electrophoresis, Mass spectrometry, Materials Science, Nanotubes, Nucleic acid hybridization, Oxidations, Phase transitions, Polymerization reactions, Sequencing, Solvents

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