637351
Carbon nanotube, double-walled
50-80% carbon basis, O.D. × I.D. × L 5 nm × 1.3-2.0 nm × 50 μm
Synonym(s):
DWNT, Double wall carbon nanotubes
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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
SMILES string
[C]
InChI key
OKTJSMMVPCPJKN-UHFFFAOYSA-N
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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).[1][2]
Application
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 Code
11 - Combustible Solids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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