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773700

Sigma-Aldrich

Monolayer graphene film

1 cm x 1 cm on SiO2/Si substrate, avg. no. of layers, 1

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NACRES:
NA.23

Quality Level

form

film

feature

avg. no. of layers 1

resistance

600 Ω/sq

L × W × thickness

1 cm × 1 cm × (theoretical) 0.345 nm, monolayer graphene film
1 cm × 1 cm × 525 μm, SiO2/Si substrate

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This Item
900415TEM-CF300-CU-ETTEM-CF400-AU-ET
vibrant-m

773700

Monolayer graphene film

vibrant-m

900415

Monolayer graphene film

feature

avg. no. of layers 1

feature

avg. no. of layers 1

feature

-

feature

-

resistance

600 Ω/sq

resistance

-

resistance

-

resistance

-

L × W × thickness

1 cm × 1 cm × (theoretical) 0.345 nm, monolayer graphene film

L × W × thickness

-

L × W × thickness

-

L × W × thickness

-

Quality Level

100

Quality Level

100

Quality Level

-

Quality Level

-

General description

Graphene film
Growth Method: CVD synthesis
Transfer Method: Clean transfer method
Quality Control: Optical Microscopy & Raman checked
Size: 1 cm x 1 cm
Appearance (Color): Transparent
Transparency: >97%
Appearance (Form): Film
Coverage: >95%
Number of graphene layers: 1
Thickness (theoretical): 0.345 nm
FET Electron Mobility on Al2O3: 2; 000 cm2/V·s
FET Electron Mobility on SiO2/Si (expected): 4; 000 cm2/V·s
Sheet Resistance: 600 Ohms/sq.
Grain size: Up to 10 μm

Substrate
Size: 1.25 cm x 1.25 cm
Type/Dopant: P/B
Orientation: 100
Growth Method: CZ
Resistivity: 1-30 ohmcm
Thickness: 525 +/- 25μm
Front Surface: polished
Back Surface: etched
Coating: 300 nm thermal oxide on both wafer sides
Graphene is a unique one atom thick, two dimensional allotrope of carbon. Among all the synthesis technique, chemical vapor deposition of graphene on various substrates is the most promising route for the large scale production of good quality graphene. Graphene deposited on dielectric surface may exhibit better performance in graphene based FETs. Graphene deposited on SiO2/Si may be deposited by direct chemical vapor deposition via a sacrificial copper film.
Sheet resistance measurements were performed in a vacuum chamber to ensure their reproducibility, within a four-point configuration (van der Pauw geometry, silver paint contact) with injection of currents above 10uA

pictograms

Exclamation markHealth hazard

signalword

Danger

Hazard Classifications

Eye Irrit. 2 - STOT RE 1 Inhalation - STOT SE 3

target_organs

Lungs, Respiratory system

Storage Class

6.1D - Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable


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