High quality graphene film with low sheet resistance and high optical transmittance. Product Overview: - Sheet resistance available from < 60 to < 600 ohm/sq. - Substrates Available: Copper, PET, Quartz, SiO2/Si - Sizes Available: 2×2 inch, 4×4 inch, 8 x 12 inch or 12 x16 inch - Comes with Certificate of Quality Can be customized Product Highlights: - High electrically conductive graphene film with low sheet resistance and high optical transmittance. - Sheet resistance < 600 ohm/sq. for graphene transferred on PMMA measured by in-line 4-probe method - Optical transmittance of graphene > 97% at 550 nm - Certificate of Quality includes: - Sheet Resistance measurement - Transmittance measurement (upon request) Applications Suited to Gratom™-R: - Electronics – LED/OLED – Solar Cells - Touch Panel – Display – NEMs – Sensors
Graphene film coverage 95% with occasional holes and cracks (< 5 %) Monolayer graphene percentage 95% of cracks or holes larger than 3 mm: 0 Average Raman Id/Ig < 5% within domain Average Hall mobility of 2000-4000 cm 2/Vs at n=1e12 /cm 2 Average sheet resistance of 300-600 ohm/sq. Available Sizes: 1cm x 1cm, 2” or 4” wafer Wafer spec: thermal grown 285-nm SiO2 on p-type Si substrate (resistivity <0.005 ohm-cm)
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Monolayer percentage 95% Optical transmittance at 550 nm 97% (excl. substrate) Average Raman Id/Ig < 5% within domain Average Hall mobility of 2000-4000 cm 2/Vs at n=1e12 /cm 2 Average sheet resistance of 300-600 ohm/sq. Available Sizes (in 2): 2 x 2, 4 x 4, 8 x 10, 12 x 14 Copper thickness 1mil (25 µm)
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Isolated single graphene domain Large graphene domain (30 – 200 µm) Average Raman Id/Ig < 5% within domain Available Sizes: 2” wafer Wafer spec: thermal grown 285-nm SiO2 on p-type Si substrate (resistivity <0.005 ohm-cm)
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