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Sigma-Aldrich

Kohlenstoff-Nanoröhrchen, einwandig

(6,5) chirality, ≥95% carbon basis (≥95% as carbon nanotubes), 0.78 nm average diameter

Synonym(e):

CHASM™, CNT, Signis® SG65i, Einwandiges Kohlenstoffnanoröhrchen, SWCNT, SWNT

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About This Item

CAS-Nummer:
308068-56-6
UNSPSC-Code:
12352103
NACRES:
NA.23

Beschreibung

G/D Ratio: ≥20 (Raman 633 nm)
Median length: 1 μm

Assay

≥95% carbon basis (≥95% as carbon nanotubes)

Form

powder (freeze-dried)

Hersteller/Markenname

Signis® SG65i

Oberflächenbereich

≥700 m2/g

Verunreinigungen

≤5 wt. % Moisture content

Durchschnittlicher Durchmesser

0.78 nm

mp (Schmelzpunkt)

3652-3697 °C (lit.)

Dichte

1.7-1.9 g/cm3 at 25 °C (lit.)

Schüttdichte

0.1 g/cm3

SMILES String

[C]

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Allgemeine Beschreibung

Signis® SG65i wird unter Verwendung der patentierten CoMoCAT™-Synthese-Technologie von CHASM′ hergestellt und ist ein einwandiges Kohlenstoff-Nanoröhrchen (CNT), das auf einzigartige Weise in halbleitenden Röhrchen angereichert ist, wobei chirale (6,5-)Nanoröhrchen am häufigsten vorkommen. Ungefähr 95 % der CNTs im SG65i sind halbleitend, wovon ungefähr 41 % chirale (6,5-)-Nanoröhrchen sind.

Anwendung

Geeignet für den Einsatz in gedruckten Halbleitern, photovoltaischen Geräten, Sensoren, medizinischer Forschung etc.

Angaben zur Herstellung

CoMoCAT™ Katalytische Methode der chemischen Gasphasenabscheidung (Chemical Vapor Deposition, CVD)

Rechtliche Hinweise

CHASM is a trademark of Chasm Advanced Materials
CoMoCAT is a trademark of Chasm Advanced Materials
Signis is a registered trademark of Chasm Advanced Materials

Lagerklassenschlüssel

11 - Combustible Solids

WGK

WGK 3

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable

Analysenzertifikate (COA)

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Gabriele Selvaggio et al.
Nature communications, 11(1), 1495-1495 (2020-03-22)
Imaging of complex (biological) samples in the near-infrared (NIR) is beneficial due to reduced light scattering, absorption, phototoxicity, and autofluorescence. However, there are few NIR fluorescent materials known and suitable for biomedical applications. Here we exfoliate the layered pigment CaCuSi4O10
Tsukasa Takeuchi et al.
Bioconjugate chemistry, 30(5), 1323-1330 (2019-03-09)
Single-walled carbon nanotubes (SWCNTs) show strong fluorescence in the 1000-1700 nm second near-infrared (NIR-II) wavelength range and are considered promising candidates for angiographic imaging probes. Oxygen-doped SWCNTs coated with phospholipid-polyethylene glycol (o-SWCNT-PEG) show exceptional potential, as they emit fluorescence at
Robert Nißler et al.
Nanoscale, 11(23), 11159-11166 (2019-06-01)
Single-walled carbon nanotubes (SWCNTs) have unique photophysical properties and serve as building blocks for biosensors, functional materials and devices. For many applications it is crucial to use chirality-pure SWCNTs, which requires sophisticated processes. Purification procedures such as wrapping by certain
Anton V Naumov et al.
Nano letters, 9(9), 3203-3208 (2009-07-31)
A new method was used to measure the fraction of semiconducting nanotubes in various as-grown or processed single-walled carbon nanotube (SWCNT) samples. SWCNT number densities were compared in images from near-IR photoluminescence (semiconducting species) and AFM (all species) to compute
Yuhao Li et al.
Science advances, 6(38) (2020-09-18)
Carbon nanotube (CNT) pores, which mimic the structure of the aquaporin channels, support extremely high water transport rates that make them strong candidates for building artificial water channels and high-performance membranes. Here, we measure water and ion permeation through 0.8-nm-diameter
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