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637351

Sigma-Aldrich

Carbon nanotube, double-walled

50-80% carbon basis, O.D. × I.D. × L 5 nm × 1.3-2.0 nm × 50 μm

Sinónimos:

DWNT, Double wall carbon nanotubes

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About This Item

Número de CAS:
308068-56-6
MDL number:
MFCD06411993
UNSPSC Code:
12352103
NACRES:
NA.23

assay

50-80% carbon basis

form

powder

composition

carbon, >90% (trace metal basis)

O.D. × I.D. × L

5 nm × 1.3-2.0 nm × 50 μm

surface area

>600 m2/g

bulk density

0.12‑0.14 g/mL

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General description

Structure of double walled carbon nanotubes (DWNTs) can be imagined as a two coaxial concentric single walled carbon nanotubes (SWNTs). It has been prepared by catalytic chemical vapor deposition. DWNTs exhibit excellent field emission properties and may be potentially useful as field emission displays (FEDs) and field emission transistors (FETs).

Application

Carbon nanotube, double walled can be used for a variety of applications such as solar cells, nanomechanical resonators, film heaters, biosensors, and field emission displays.

Packaging

Packaged in glass bottles

Preparation Note

Chemical Vapor Deposition (CVD) Method

Analysis Note

50-80% DWNT content, 10-40% other CNTs, remainder being amorphous carbon and residual metal catalysts.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

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Certificados de análisis (COA)

Lot/Batch Number
MKCL3070
MKBH3079V
MKBD5866
MKBB8987
11404AE

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Preparation of large-area double-walled carbon nanotube films and application as film heater
Wu ZP and Wang JN
Physica E: Low-Dimensional Systems and Nanostructures, 42(1), 77-81 (2009)
Double-walled carbon nanotube solar cells
Wei J, et al.
Nano Letters, 7(8), 2317-2321 (2007)
Vibrational behaviors of multiwalled-carbon-nanotube-based nanomechanical resonators
Li C and Chou T
Applied Physics Letters, 84(1), 121-123 (2004)
Synthesis of single-and double-walled carbon nanotube forests on conducting metal foils
Hiraoka T, et al.
Journal of the American Chemical Society, 128(41), 13338-13339 (2006)
Double-walled carbon nanotube based carbon paste electrode as xanthine biosensor
Anik U and Serdar C
Microchimica Acta, 166(3-4), 209-213 (2009)
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