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Grolltex — graphene rolling technologies
Graphene transferred to your substrate

Graphene transferred to your substrate

Monolayer graphene transferred onto Si/SiO₂, quartz, or the wafer you send us, up to 8 inches.

This configuration is quoted per order — sheet size, substrate and stack determine the price.

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SKU: GRA-XFER Category:

Specifications

Specification Value
Material Monolayer graphene
Max diameter 8" (200 mm)
Standard substrates Si/SiO₂, quartz
Custom substrates On request
Coverage ≥95% guaranteed, typically 100%
Fabrication Class 100 cleanroom

Batch characterization

Representative data. The unit you receive ships with measurements from its own batch.

Raman spectrum of monolayer graphene — G peak at ~1582 cm⁻¹, 2D peak at ~2680 cm⁻¹. Intensity (A.U.) against Raman shift (cm⁻¹).
Raman spectrum of monolayer graphene — G peak at ~1582 cm⁻¹, 2D peak at ~2680 cm⁻¹. Intensity (A.U.) against Raman shift (cm⁻¹).
FET mobility on Si/SiO₂
>2700 cm²/V·s

Customers with transfer experience report ~4000 cm²/V·s values on Si/SiO2

Sheet resistance
~450 Ω/sq

However it depends on the in/post-transfer doping and measurement technique and environment

Lead time
By quote

Depends on substrate and volume

Optical micrograph — graphene on copper, 50×
Optical micrograph — graphene on copper, 50×
Optical micrograph — grain structure, 20×
Optical micrograph — grain structure, 20×
As shipped — sealed foil, 6" × 6"
As shipped — sealed foil, 6" × 6"

Citing this material

Monolayer CVD graphene transferred to substrate (GRA-XFER), Grolltex, Inc., San Diego, CA. Cite the batch number printed on your specification sheet.

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