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Single-layer Graphene on Copper 1″x1″

Price: $150

Lead time: In Stock

QA Data:
Multipoint Raman spectra included on CD ROM

SKU: CU-S1-25-1 Categories: , ,

Typical Raman spectrum of a single layer film on Copper Foil

Copper Foil

Explanation of Raman spectrum

  1. Raman spectroscopy is used to check the presence of a D peak in graphene samples. If a D peak is present, then this can indicate defects in the sample, such as cracks or flaking.
  2. The ratio of the heights of the 2D peak and the G peak indicate the number of graphene layers.
    2D>G : Single-layer
    2D=G : Double layer
    2D<G : more than triple layer
  3. 3 measurements for every sample are taken and presented on the same graph.

Optical Microscope Image of Single-layer Graphene on Copper foil

Copper Foil

 

Properties of single-layer graphene

  • Graphene quality and thickness are confirmed by Raman spectroscopy.
  • Multi-point Raman data are provided with every sample.
  • Graphene layer is continuous with few small multilayer islands and overall coverage exceeding 95%.
  • Sheet resistance is < 1,000 ohm per square.
  • Optical transmission is > 95%.
  • Copper foil thickness: 35 micron.
  • All samples are manufactured in our lab in Japan.
  • Shipping: Please allow 3-5 business days by International EMS or 2-3 business days by DHL or FedEx.

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