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Merck
CN

797766

Graphene nanoribbons

greener alternative

alkyl functionalized

Synonym(s):

GNRs, nano-graphene ribbons

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About This Item

Linear Formula:
C
Molecular Weight:
12.01
UNSPSC Code:
12352103
EC Number:
231-153-3
NACRES:
NA.23

Key Documents

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Product Name

Graphene nanoribbons, alkyl functionalized

assay

≥85% carbon basis (TGA)

form

powder

greener alternative product characteristics

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

sustainability

Greener Alternative Product

L × W

2-15 μm × 40-250 nm

surface area

38 m2/g

density

1.5763 g/mL (He gas method)

bulk density

0.0953 g/mL (Mercury Porosimetry)

greener alternative category

Enabling,

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Analysis Note

Raman Spectroscopic Data:
ID/IG = 1.84±0.25
I2D/IG = 2.12±0.32
2D FWHM = 41 cm-1

Application

  • Composites.
  • Conductive inks.
  • Electrodes for LiB.
  • Energy storage & harvesting applications.
  • Bio-medical applications.

General description

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". Click here for more information.

Legal Information

Graphene Nanoribbon Composites and Methods of Making the Same, WO/2012/112435 A1.

Preparation Note

Preferred dispersing organic solvents: pyrrolidones and chlorinated solvents, also dispersible in acetone, ethyl acetate, dimethyl formamide, ethylene glycol, or 1,2-dimethoxyethane at concentration ≤0.1 mg/mL after bath sonication for 15 min with stability for a few hours.
  • Less preferred dispersing organic solvents: cyclohexanone and γ-butyrolactone.
  • Aqueous dispersions are possible at 0.1 mg/mL with triton-X-100, sodium cholate and deoxycholate and cellulose-based surfactants.

Storage Class

11 - Combustible Solids

wgk

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
MKBX2276V

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Lei Li et al.
Advanced materials (Deerfield Beach, Fla.), 25(43), 6298-6302 (2013-09-03)
A facile and cost-effective approach for the fabrication of a hierarchical nanocomposite material of graphene-wrapped MnO2 -graphene nanoribbons (GMG) is developed. The resulting composite has a high specific capacity and an excellent cycling stability owing to the synergistic combination of
Changsheng Xiang et al.
ACS nano, 7(11), 10380-10386 (2013-10-10)
A thermoplastic polyurethane (TPU) composite film containing hexadecyl-functionalized low-defect graphene nanoribbons (HD-GNRs) was produced by solution casting. The HD-GNRs were well distributed within the polyurethane matrix, leading to phase separation of the TPU. Nitrogen gas effective diffusivity of TPU was
High Throughput Preparation of Large Area Transparent Electrodes Using Non-Functionalized Graphene Naroribbons.
Zhu Y, et al.
Chemistry of Materials, 23, 935-939 (2011)
Dmitry V Kosynkin et al.
ACS nano, 5(2), 968-974 (2011-01-06)
Here we demonstrate that graphene nanoribbons (GNRs) free of oxidized surfaces can be prepared in large batches and 100% yield by splitting multiwalled carbon nanotubes (MWCNTs) with potassium vapor. If desired, exfoliation is attainable in a subsequent step using chlorosulfonic
Lei Li et al.
ACS applied materials & interfaces, 5(14), 6622-6627 (2013-06-25)
A facile and cost-effective approach to the fabrication of a nanocomposite material of polyaniline (PANI) and graphene nanoribbons (GNRs) has been developed. The morphology of the composite was characterized by scanning electron microscopy, transmission electron microscopy, X-ray photoelectron microscopy, and
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