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901051

Sigma-Aldrich

Carbon nanotube array, multi-walled

vertically aligned on Si substrate, H 0.5 mm

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Synonym(s):
CNT array, MWCNT array
CAS Number:
308068-56-6
UNSPSC Code:
12352200
NACRES:
NA.23

description

Areal density: 1-5x109 cm-2
Form: 20 mm x 20 mm Si substrate

Quality Level

100

Assay

98% (carbon as CNT)

H

0.5 mm

diam. × L

10-40 nm × 0.5 ± 0.1 mm

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General description

Multi-walled carbon nanotubes (MWCNT) are vertically aligned on a Si substrate. MWCNT is as long as millimetre scale. 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 this CNT is ~3, showing high crystal quality. The high crystallinity is supported by transmission electron microscopy.

Preparation Note

Chemical Vapor Deposition (CVD) method.

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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