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798177

Sigma-Aldrich

Graphene, monolayer film

on TEM grid substrate (Quantifoil gold)

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About This Item

Linear Formula:
C
UNSPSC Code:
12352103
NACRES:
NA.23

product name

Suspended monolayer graphene on TEM grid substrate (Quantifoil gold),

form

solid

Quality Level

100

resistance

170 Ω/sq

diam. × thickness

2 mm × (theoretical) 0.345 nm , monolayer graphene film

size × distance between discs × diam.

2 μm × 4 μm × 3 mm, gold coated TEM grid

Related Categories

General description

Graphene is a unique one-atom thick, two dimensional allotrope of carbon. Several methods have been developed to synthesize graphene, such as; mechanical and chemical exfoliation, chemical vapor deposition, graphitization of silicon carbide, reduction of graphene oxides. Preparation of monolayer graphene on polyethylene terephthalate (PET) film has been reported in a study. The single layer of graphene can be transferred by clean transfer method.
Grids per package:4
Graphene Film Properties

Growth Method: CVD synthesis
Transfer Method: Clean transfer method
Size: 2 mm (TEM grid diameter)
Appearance (Color): Transparent
Transparency: >97%
Coverage: >95%
Number of graphene layers: single layer
Thickness of the lazy carbon is about 12 nm.
FET Electron Mobility on Al2O3: 2; 000 cm2/Vs
FET Electron Mobility on SiO2/Si (expected): 4; 000 cm2/Vs
Sheet Resistance: 170 Ohms/sq.
Grain size: up to 10 micrometer

Substrate TEM grid
Type: QUANTIFOIL(registered) R 2/4
Hole Size: 2 micrometers(Au grid is 300 mesh)
Space between holes: 4 micrometers
Diameter: 3 mm
Coating: Au coated

Application

Graphene film on TEM grid is useful for high resolution TEM imaging of nanoscale materials because it preserves the same focal plane over the whole grid mesh.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

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Stanislav M Avdoshenko et al.
Nano letters, 13(5), 1969-1976 (2013-04-17)
Graphene layers have been targeted in the last years as excellent host materials for sensing a remarkable variety of gases and molecules. Such sensing abilities can also benefit other important scientific fields such as medicine and biology. This has automatically
Nanopores: Graphene opens up to DNA.
Zuzanna S Siwy et al.
Nature nanotechnology, 5(10), 697-698 (2010-10-07)
Progress of graphene growth on copper by chemical vapor deposition: Growth behavior and controlled synthesis
LeiPeng MA,et al.
Chinese Science Bulletin, 57(23), 2995-2999 null
Controlled Synthesis of Monolayer Graphene Toward Transparent Flexible Conductive Film Application
Jee BJ, et al.
Nanoscale Research Letters, 5, 1768?1773-1768?1773 (2010)

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