659258
Carbon nanotube, multi-walled
>90% carbon basis, D × L 110-170 nm × 5-9 μm
Synonym(s):
MWCNT, MWNT, Multiwall carbon nanotube
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About This Item
Quality Segment
assay
>90% carbon basis
form
powder
composition
carbon, >90%
D × L
110-170 nm × 5-9 μm
mp
3652-3697 °C (lit.)
density
1.7 g/mL at 25 °C, ~2.1 g/mL at 25 °C (lit.)
SMILES string
[C]
InChI
1S/C
InChI key
OKTJSMMVPCPJKN-UHFFFAOYSA-N
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. 1 The diameter of the tube ranges between 110-170nm and the length is between 5-9μm. The multiwalled nanotubes are stable in inert atmosphere upto a temperature of 3697oC.
Application
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.
Toxic and immunological effects of carbon nanotubes on human colorectal cancer cell line (Caco-2), the human breast adenocarcinoma cell line(MCF-7), Calu-3 cells from human lung adenocarcinoma and serous cells of proximal bronchial airways was investigated. These multiwalled carbon nanotubes were used to design a 3D, free standing porous carbon structure. The self-supporting structures could find potential uses in energy storage, supercapacitors, photovoltaic cells, field emission devices, sensors and high performance catalysts.Polystyrene/MWNTs nanocomposites have been fabricated and studied for its electrical and optical properties. Preparation of platinum/MWNTs/cobaltite nanocomposites has also been reported.
Preparation Note
Chemical Vapor Deposition (CVD) Method
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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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Ternary platinum-multiwall carbon nanotube-cobaltite composites for methanol electrooxidation.
Awasthi R and Singh RN
International Journal of Electrochemical Science, 6, 4775-4775 (2011)
Fabrication and characterization of three-dimensional macroscopic all-carbon scaffolds.
Carbon null
Airway barrier dysfunction induced by exposure to carbon nanotubes in vitro: which role for fiber length?.
Rotoli BM, et al.
Human & Experimental Toxicology, 28(6-7), 361-368 (2009)