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Merck

698849

Carbon nanotube, multi-walled

>98% carbon basis, O.D. × L 6-13 nm × 2.5-20 μm

Synonym(s):

MWCNT, MWNT, Multiwall carbon nanotube

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About This Item

CAS Number:
308068-56-6
MDL number:
MFCD00133992
UNSPSC Code:
12352103
NACRES:
NA.23

Key Documents

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InChI

1S/C

InChI key

OKTJSMMVPCPJKN-UHFFFAOYSA-N

SMILES string

[C]

assay

>98% carbon basis

form

powder

composition

carbon, >98% (total metals impurities)

O.D. × L

6-13 nm × 2.5-20 μm

size

10 μm , average length, TEM, 12 nm , average diameter, HRTEM

surface area

~220 m2/g , SSA

mp

3652-3697 °C (lit.)

density

~2.1 g/mL at 25 °C (lit.)

Quality Level

100

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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. The diameter of the tube ranges between 6-13nm and the average length is 10μm. The multiwalled nanotubes are stable in inert atmosphere upto a temperature of 3697oC. CVD production method is followed by HCl demineralization.

Application

A hybrid nanostructure system of MWNTs/titania was fabricated to be used as photodiodes in dye sensitized solar cells. MWNTs were investigated as electrodes for electrochemical biosensors. Use of MWNTs increased the efficacy, sensitivity and mechanical strength of the sensors.
Carbon nanotube, multi-walled (MWNT) 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, biosensor, gas sensor, supercapacitor and as a filler that acts as a reinforcement to improve the mechanical property of composites.

Physical form

average wall thickness 7-13 graphene layers

Preparation Note

Chemical Vapor Deposition (CVD) Method

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
MKCX6903
MKCW6595
MKCR9784
MKCM4355
MKCM1457

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A microfluidic chip platform with electrochemical carbon nanotube electrodes for pre-clinical evaluation of antibiotics nanocapsules.
Hong CC, et al.
Biosensors And Bioelectronics, 26(8), 3620-3626 (2011)
Hybrid carbon nanotubes?TiO2 photoanodes for high efficiency dye-sensitized solar cells.
Dembele KT, et al.
The Journal of Physical Chemistry C, 117(28), 14510-14517 (2013)
Jin Wuk Lee et al.
Aquatic toxicology (Amsterdam, Netherlands), 171, 9-19 (2015-12-31)
Multi-walled carbon nanotubes (MWCNTs) are nanoparticles widely applicable in various industrial fields. However, despite the usefulness of MWCNTs in industry, their oxidative stress-induced toxicity, combined toxicity with metal, and mitogen-activated protein kinase (MAPK) activation have not been widely investigated in
Si Gao et al.
Nature communications, 8(1), 163-163 (2017-08-02)
Knowing the three-dimensional structural information of materials at the nanometer scale is essential to understanding complex material properties. Electron tomography retrieves three-dimensional structural information using a tilt series of two-dimensional images. In this paper, we report an alternative combination of
Effect of the method of dispersion on the properties of carbon nanotube and microfibrillar cellulose composites
Nadera A
Inventia Report, 433 (2013)
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