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901082

Sigma-Aldrich

Carbon nanotube sheet

greener alternative

aligned, size × thickness 100 mm × 100 mm × 1-5 μm

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Synonym(s):
MWCNT, MWNT, Multiwall carbon nanotube
CAS Number:
308068-56-6

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Quality Level

100

assay

>95% (carbon)

greener alternative product characteristics

Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.

resistivity

10-1000 Ω/sq

size × thickness

100 mm × 100 mm × 1-5 μm

diameter

10-40 nm (carbon nanotubes)

greener alternative category

Enabling

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General description

Multi-walled carbon nanotubes are aligned in a direction. The CNTs are just connected with van der Waals forces, and no binder material is used. The sheet shows high anisotropic transport properties, including electrical conductivity and thermal conductivity.
CNT has a multi-walled structure. Crystal quality of CNT is examined by Raman scattering measurement. Intensity ratio of G-peak (1580 cm-1) and D-peak (1350 cm-1) represents quality of graphitization of carbon materials. G/D of CNT is ∼3, showing high crystal quality. The high crystallinity is supported by transmission electron microscopy.

Preparation Note

Chemical Vapor Deposition (CVD) method.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

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Certificate of Origin

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