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Multipoint Raman spectra included on CD ROM
Typical Raman spectrum of a Multilayer film on Nickel foil
Explanation of Raman spectrum
- 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.
- 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 measurements for every sample are taken and presented on the same graph.
Optical Microscope Image of Multilayer Graphene on Nickel foil
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