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922676

Sigma-Aldrich

Graphene nanoribbon

oxidatively splitted from CNT

Sinónimos:

GNRs, Graphene nanoribbon made by oxidative splitting of CNT

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About This Item

Fórmula lineal:
C
Número de CAS:
1034343-98-0
UNSPSC Code:
12141908
NACRES:
NA.23

description

Made by oxidative splitting of CNT

Quality Level

100

assay

≥80% carbon basis (EA)

size

≥0.0002 mm , Nanoribbon

width

≥200 nm , Nanoribbon

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General description

Graphene nanoribbons (GNR) are narrow strips of graphene with abundant edges and high aspect ratio. The edge functionalization can alter the chemical properties of the GNR to afford them good dispersibility and strong interfacial interactions with various materials. Such properties have made GNR suitable for producing a variety of composites, particularly as conductive fillers that provide percolation at a comparatively small mass loading due to the high aspect ratio and high conductivity. GNR have been used in sensors, energyconversion/storage devices, and electrochemical, photochemical and thermoelectrical systems. They have also been intensively studied for biochemical and biological applications such as bioimaging, biosensing, DNA sequencing, and neurophysiological recovery.

Application

Graphene nanoribbons (GNR) made by oxidative splitting of carbon nanotubes exhibit good solubility in a number of polar solvents such as water and ethanol. These nanoribbons can be easily exfoliated into single-layer ribbons upon sonication.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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Mohammad A Rafiee et al.
ACS nano, 4(12), 7415-7420 (2010-11-18)
It is well established that pristine multiwalled carbon nanotubes offer poor structural reinforcement in epoxy-based composites. There are several reasons for this which include reduced interfacial contact area since the outermost nanotube shields the internal tubes from the matrix, poor
Melinda Y Han et al.
Physical review letters, 98(20), 206805-206805 (2007-08-07)
We investigate electronic transport in lithographically patterned graphene ribbon structures where the lateral confinement of charge carriers creates an energy gap near the charge neutrality point. Individual graphene layers are contacted with metal electrodes and patterned into ribbons of varying
Kyle A Ritter et al.
Nature materials, 8(3), 235-242 (2009-02-17)
Graphene shows promise as a future material for nanoelectronics owing to its compatibility with industry-standard lithographic processing, electron mobilities up to 150 times greater than Si and a thermal conductivity twice that of diamond. The electronic structure of graphene nanoribbons

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