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Monolayer Graphene on Cu with PMMA Coating

Monolayer Graphene on Cu with PMMA Coating - Processed in Clean Room Class 1000

A single-layer graphene film on a copper substrate. This product is provided with a PMMA coating on top of the Graphene in order ease the transfer process and to avoid contamination. It's a high quality product, with a great homogeneity, and it is ideal for R&D departments and universities. 

Graphene Film

  • · Appearance (color): Transparent
  • · Transparency: > 97%
  • · Coverage: > 97%
  • · Number of graphene layers: 1
  • · Thickness (theoretical): 0.345 nm
  • · FET Electron Mobility on Al2O3 passivated SiO2/Si: 6900 cm2 /Vs (doi: http://dx.doi.org/10.1063/1.4972847)
  • · FET Electron Mobility on SiO2/Si: 3760 cm2/Vs/Vs DOI: https://doi.org/10.1103/PhysRevLett.119.066802
  • · Sheet Resistance on SiO2/Si: 450±40 Ohms/sq (1cm x1cm)
  • · Grain size: Up to 20 μm

Substrate Cu Foil

  • · Thickness: 18 μm
  • · Roughness: around 80 nm
  • · Pretreated for easier bottom layer removal: Monolayer graphene on the back side of Copper is partially removed, but not completely, so an additional treatment like RIE is needed before transfer to eliminate the bottom layer totally

PMMA Coating

  • · Spin coated for high homogeneity
  • · Thickness: 60 nm
  • · PMMA model: 495K, A2

Applications

Flexible batteries, Electronics, Aerospace industry, MEMS and NEMS, Microactuators, Conductive coatings, Research

Publications

“Ultrathin rechargeable all-solid-state batteries based on monolayer graphene”, J. Mater. Chem. A, 2013,1, 3177-3181 DOI:10.1039/C3TA01183F

“Fabrication and Electrochemical Characterization of Single and Multi-Layer Graphene Anodes for Lithium-Ion Batteries”, J. electrochem. Soc. 2012, vol. 159, issue 6, A752 – A761

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