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755117

Sigma-Aldrich

Carbon nanotube, multi-walled

thin and short, <5% Metal Oxide(TGA)

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Synonym(s):
NC-3150, MWCNT, MWNT, Multiwall carbon nanotube
CAS Number:
308068-56-6
UNSPSC Code:
12352103
NACRES:
NA.23

form

powder

avg. diam. × L

9.5 nm × 1 μm , TEM

impurities

<5% Metal Oxide (TGA)

mp

3652-3697 °C (lit.)

density

~2.1 g/mL at 25 °C (lit.)

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General description

Multi walled carbon nanotubes (MWNTs, CNTs) were prepared by chemical vapor deposition (CVD). In chemical vapor deposition (CVD), a volatile precursor undergoes thermal decomposition at elevated temperatures to form a solid deposit on a substrate. Compared to other techniques, CVD produces greater yield of carbon nanotubes. Morphology and structure of the nanotubes can be easily tuned using CVD technique. The CNTs formed can be formed in bundles over a catalyst support or in patterns over substrates.1

Application

Applications include:
  • Electronics
  • Sensors
  • Composites
  • Energy Storage
  • Study of Life Science systems

Preparation Note

Catalytic Carbon Vapor Deposition (CCVD) Method

Legal Information

Product of Nanocyl, Inc.

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Information

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Dominick J Bindl et al.
ACS nano, 4(10), 5657-5664 (2010-10-07)
Semiconducting single-walled carbon nanotubes (s-SWCNTs) have strong near-infrared and visible absorptivity and exceptional charge transport characteristics, rendering them highly attractive semiconductor absorbers for photovoltaic and photodetector technologies. However, these applications are limited by a poor understanding of how photogenerated charges
Amin Salehi-Khojin et al.
ACS nano, 5(1), 153-158 (2010-12-29)
There has been recent controversy whether the response seen in carbon nanotube (CNT) chemiresistors is associated with a change in the resistance of the individual nanotubes or changes in the resistance of the junctions. In this study, we carry out
Wai Li Ling et al.
ACS nano, 5(2), 730-737 (2011-01-11)
The classical pathway of complement is an essential component of the human innate immune system involved in the defense against pathogens as well as in the clearance of altered self-components. Activation of this pathway is triggered by C1, a multimolecular

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