Graphene on Ultra-flat Thermal SiO2 Substrate

Graphene on Ultra-flat Thermal SiO2 Substrate

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Product Detail

1. Four thicknesses of CVD graphene:
Available in either 1, 2, 3-5 or 6-8 layers
2. Substrate: 
The Ultra-flat Thermal SiO2 Substrate consists of a 200nm thermally grown SiO2 film on an ultra-flat silicon wafer with a normal thickness of 675 µm. The size is 5mm x 5mm.
3. Graphene coverage of the ultra-flat silicon is > 75%
Type Thickness of the Graphene Transparency TEM Grid/AFM Substrate Support Film
1 Layer  ~0.35nm  ~96.4% N/A Ultra-flat Silicon
2 Layers  ~0.7nm  ~92.7% N/A Ultra-flat Silicon
3-5 Layers  1.0-1.7nm  ~85.8-90.4% N/A Ultra-flat Silicon
6-8 Layers  2.1-2.8nm  ~78.5-83.2% N/A Ultra-flat Silicon
Left: SAED  Right: FFT of HR-TEM Image
HR-TEM image