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Sigma-Aldrich

Carbon nanotube, single-walled

≥90% carbon basis (≥80% as carbon nanotubes), 1-2 nm diameter, avg. no. of layers, 1

Synonym(s):

CNT, SWCNT, SWNT, Single wall carbon nanotube

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About This Item

CAS Number:
308068-56-6
UNSPSC Code:
12352103
NACRES:
NA.23

description

G/D Ratio: ≥15 (Raman 633 nm)
Median length: 1 μm

assay

≥90% carbon basis (≥80% as carbon nanotubes)

form

powder (freeze-dried)

feature

avg. no. of layers 1

manufacturer/tradename

Signis® CG200

surface area

≥700 m2/g

impurities

≤5 wt. % Moisture

diameter

1-2 nm

mp

3652-3697 °C (lit.)

density

1.7-1.9 g/cm3 at 25 °C (lit.)

bulk density

0.1 g/cm3

SMILES string

[C]

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General description

Produced using CHASM′s patented CoMoCAT™ synthesis technology, Signis® CG200 is the company′s largest-diameter single-wall carbon nanotube product.
Tube diameter determined by fluorescence spectroscopy.

Application

Manufacturing, Characterization and Use of SWCNTs
Carbon nanotube, single-walled (SWNT) belongs to the class of carbonaceous materials with excellent physiochemical, thermo-mechanical and electrochemical properties. This material can be used in a variety of sustainable energy applications such as solar cells, photocatalysis, thin film conductors, field effect transistors (FETs), biosensor, gas sensor, supercapacitor and nanomechanical resonators.
Suitable for use in conductive composites and coatings.Functionalized single-walled carbon nanotubes (SWNTs) embedded in an insulating polymer matrix may be used as stable hole collection layer in perovskite solar cells.

Preparation Note

CoMoCAT™ Catalytic Chemical Vapor Deposition (CVD) Method

Legal Information

CoMoCAT is a trademark of Chasm Advanced Materials
Signis is a registered trademark of Chasm Advanced Materials

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Carbon nanotube/polymer composites as a highly stable hole collection layer in perovskite solar cells.
Habisreutinger, Severin N., et al.
Nano Letters, 14(10), 5561-5568 (2014)
Sorting Carbon Nanotubes and Their Biological Applications
Oh H and Ju SY
Material Matters, 8(1) null
Single-walled carbon nanotubes increase
pandemic influenza A H1N1 virus infectivity of
lung epithelial cells
Sanpui P, et al.
Particle and Fibre Toxicology null
Single-walled carbon nanotube (SWNT)-carboxymethylcellulose (CMC) dispersions in aqueous solution and electronic transport properties when dried as thin film conductors
Young BR and Aminayi P
Journal of Dispersion Science and Technology, 39(11), 1613-1626 (2018)
Charge transfer from carbon nanotubes to silicon in flexible carbon nanotube/silicon solar cells
Li X, et al.
Small, 13(48), 1702387-1702387 (2017)
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Single-walled Carbon Nanotubes: Exfoliation and Debundling Procedure

Surfactant-assisted dispersion of single-walled carbon nanotubes for debundling or exfoliation in dispersion procedures.

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