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901046

Sigma-Aldrich

Carbon nanotube array, multi-walled, drawable

vertically aligned on Si substrate

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Synonym(s):
CNT array, MWCNT
CAS Number:
308068-56-6
UNSPSC Code:
12352103
NACRES:
NA.23

description

Form: 10 mmx20 mm Si substrate

Quality Level

100

Assay

98% (carbon as CNT)

diam. × L

10-40 nm × 1.0 mm ± 0.5 mm

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General description

Multi-walled carbon nanotubes (MWCNT) are vertically aligned on a Si substrate with a high density. Since all the MWCNTs are bundled by van der Walls force, CNT web is drawn easily by pinching an edge of the array out from the substrate. The web is very light weight and robust, and sometimes semi-transparent.
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 our CNT is ~3, showing high crystal quality.

Preparation Note

Chemical Vapor Deposition (CVD) method.

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Information

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