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Key Documents

804118

Sigma-Aldrich

Carbon nanohorns, as-grown

greener alternative

Sinónimos:

CNH, CNHs

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About This Item

Fórmula empírica (notación de Hill):
C
Peso molecular:
12.01
UNSPSC Code:
12352103
NACRES:
NA.23

description

Dispersibility in water: hydrophobic

Quality Level

100

assay

90% (TGA)

greener alternative product characteristics

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

sustainability

Greener Alternative Product

surface area

400 m2/g , BET

impurities

0% metallic
10% graphite, amorphous

diameter

2-5 nm (TEM)

greener alternative category

Enabling,

General description

Single-walled carbon nanohorns are made of graphene sheets with long cone-shaped tips with the diameters of 2-5 nm and the length of 40-50 nm. Thousands of carbon nanohorns form spherical aggregates of about 100 nm in diameter.
  • Uniform size
  • High dispersion
  • High purity, no metallic compound
  • Large surface area
  • Utilization of internal space in carbon nanohorn
We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Greener Chemistry. This product belongs to Enabling category of greener alternatives thus aligns with "Design for energy efficency". Carbon nanohorns are ideal materials due to its impressive material properties such as mechanical strength, thermal and electrical conductivity. Click here for more information.

Application

  • Energy management system:
Capacitor (good discharge rate, high capacity)
Fuel cell (Good support materials for catalyst metal such as platinum)
  • Medical: Carrier containing the anticancer drug.
  • Gas adsorption: Adsorption of highly reactive gas.
  • Compound material: Additive for characteristic improvement (improve electrical properties).

Storage Class

13 - Non Combustible Solids

wgk_germany

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificados de análisis (COA)

Lot/Batch Number
MKCQ1599
MKCN9669
MKCL6678
MKCJ7201
MKCJ4767

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Sigma-Aldrich

775533

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Sigma-Aldrich

633100

Carbon

Kumiko Ajima et al.
Molecular pharmaceutics, 2(6), 475-480 (2005-12-06)
We demonstrate that oxidized single-wall carbon nanohorns (SWNHs), a type of single-wall nanotube, entrap cisplatin, an anticancer agent. We found that the cisplatin structure was maintained inside the SWNHs and that the cisplatin was slowly released from the SWNHs in
Fan Yang et al.
Biosensors & bioelectronics, 55, 360-365 (2014-01-15)
A novel sandwich-type electrochemical immunosensor based on functionalized nanomaterial labels and bienzyme (horseradish peroxidase and glucose oxidase) biocatalyzed precipitation was developed for the detection of α-fetoprotein (AFP). The enzymes linked to functionalized nanomaterials as biocatalysts could accelerate the oxidation of
Hydrogen storage in porous single-walled carbon nanohorns dispersed with Pd?Ni alloy nanoparticles.
Sano N, et al.
The Journal of Physical Chemistry C, 118(7), 3402-3408 (2014)
Ali Izadi-Najafabadi et al.
ACS nano, 5(2), 811-819 (2011-01-08)
A novel composite is presented as a supercapacitor electrode with a high maximum power rating (990 kW/kg; 396 kW/l) exceeding power performances of other electrodes. The high-power capability of the electrode stemmed from its unique meso-macro pore structure engineered through
Yi Zhao et al.
Chemical communications (Cambridge, England), 47(26), 7416-7418 (2011-06-01)
A novel composite of Fe(2)O(3) and single-walled carbon nanohorns (SWCNHs) was firstly developed via a simple hydrothermal method. As an anode material for lithium ion batteries, a Fe(2)O(3)/SWCNHs composite shows excellent rate performance and cycle stability, even at a high

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