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704148

Sigma-Aldrich

Carbon nanotube, single-walled

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(6,5) chirality, ≥90% carbon basis (≥99% as carbon nanotubes), 0.78 nm average diameter, avg. no. of layers, 1

Synonym(s):

CHASM™, CNT, Signis® SG65, SWCNT, SWNT, Single wall carbon nanotube

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About This Item

CAS Number:
308068-56-6
UNSPSC Code:
12352103

Quality Level

200

description

G/D Ratio: ≥20 (Raman 633 nm)
Median length: 1 μm

Assay

≥90% carbon basis (≥99% as carbon nanotubes)

form

powder (freeze-dried)

feature

avg. no. of layers 1

manufacturer/tradename

Signis® SG65

greener alternative product characteristics

Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.

surface area

≥700 m2/g

impurities

≤5 wt. % Moisture content

average diameter

0.78 nm

mp

3652-3697 °C (lit.)

density

1.7-1.9 g/cm3 at 25 °C (lit.)

bulk density

0.1 g/cm3

greener alternative category

Enabling

SMILES string

[C]

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General description

Produced using CHASM′s patented CoMoCAT™ synthesis technology, Signis® SG65 is a single-wall carbon nanotube (CNT) product uniquely enriched in semiconducting tubes, with (6,5) chirality being most abundant. Approximately 95% of the CNTs in SG65 are semiconducting with approximately 41% of those tubes being (6,5) chirality.
We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Greener Chemistry. This product has been enhanced for energy efficiency. Click here for more details.

Application

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 printed semiconductors, photovoltaic devices, sensors, medical research, etc.

Preparation Note

CoMoCAT™ Catalytic Chemical Vapor Deposition (CVD) Method

Legal Information

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

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

新产品

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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  1. Which document(s) contains shelf-life or expiration date information for a given product?

    If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.

  2. How do I get lot-specific information or a Certificate of Analysis?

    The lot specific COA document can be found by entering the lot number above under the "Documents" section.

  3. How do I find price and availability?

    There are several ways to find pricing and availability for our products. Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote.  USA customers:  1-800-325-3010 or view local office numbers.

  4. What is the Department of Transportation shipping information for this product?

    Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product. 

  5. How are these single-walled carbon nanotubes produced?

    These single-walled carbon nanotubes are produced by CoMoCAT® Catalytic Chemical Vapor Deposition (CVD).  Processing is done to remove amorphous carbon, and HF (aq) is used to remove the silica support and some metals.

  6. Are these single-walled carbon nanotubes surface modified?

    No, these single-walled carbon nanotubes do not have surface modifications.

  7. My question is not addressed here, how can I contact Technical Service for assistance?

    Ask a Scientist here.

Performance dependence of SWCNT/n-silicon hybrid solar cells on the charge carrier concentration in silicon substrates
Saini V, et al.
Royal Society of Chemistry Advances, 5(1), 621-627 (2015)
Myung-Soo Choi et al.
Nanomaterials (Basel, Switzerland), 10(2) (2020-02-28)
A hybrid film consisting of zinc oxide nanoparticles (ZnO NPs) and carbon nanotubes (CNTs) is formed on a glass substrate using a simple and swift spin coating process for the use in ultraviolet photodetectors (UV PDs). The incorporation of various
Single-walled carbon nanotubes as ultrahigh frequency nanomechanical resonators
Li C and Chou T
Physical Review. B, Condensed Matter and Materials Physics, 68(7), 073405-073405 (2003)
Charge transfer from carbon nanotubes to silicon in flexible carbon nanotube/silicon solar cells
Li X, et al.
Small, 13(48), 1702387-1702387 (2017)
Enhanced sensitivity of a gas sensor incorporating single-walled carbon nanotube-polypyrrole nanocomposites
An KH, et al.
Advanced Materials, 16(12), 1005-1009 (2004)
View All Related Papers

Articles

CoMoCAT® Single-wall Carbon Nanotubes

The CoMoCAT® method of single-walled carbon nanotube (SWNT) synthesis yields high purity SWNTs with specific chiralities and narrow distributions of tube diameters.

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

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