Grat-Film™
Available on various substrates including Copper, SiO2 and PET, in a range of sizes and defining characteristics, the high-quality of our CVD graphene, Grat-Film, is unparalleled. For an in-depth look at our CVD graphene offerings, please explore our product comparison tables below. CVD Graphene on Copper
| Product Name |
Product Features |
Available Sizes (in2) |
| Gratom-M-Cu |
- Monolayer percentage > 95%
- Optical transmittance at 550 nm > 97% (excl. substrate)
- Average Raman Id/Ig < 5% within domain
- Average Hall mobility of 2000-4000 cm2/Vs at n=1e12 /cm2
- Average sheet resistance of 300-600 ohm/sq.
|
2 x 2
4 x 4
8 x 10
12 x 14 |
| Gratom-R-Cu |
- Monolayer with occasional multilayer islands
- Optical transmittance at 550 nm > 95% (excl. substrate)
- Average sheet resistance of 300-600 ohm/sq.
|
8 x 10
12 x 14 |
| Gratom-A-Cu |
- Large-area, as-grown CVD graphene
|
12 x 60
24 x 60
24 x 100
24 x 300 |
| Gratom-S-Cu |
- Isolated single graphene domain
- Large graphene domain (30 – 200 µm)
- Average Raman Id/Ig < 5% within domain
|
2 x 2 |
*Copper thickness 1mil (25 µm) CVD Graphene on SiO2/Si
| Product Name |
Product Features |
Available Sizes |
| Gratom-M-Si1 |
- 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 cm2/Vs at n=1e12 /cm2
- Average sheet resistance of 300-600 ohm/sq.
|
1cm x 1cm
2” or 4” wafer |
| Gratom-M-Si2 |
- Graphene film coverage > 99% with occasional holes and cracks (< 1 %)
- 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 cm2/Vs at n=1e12 /cm2
- Average sheet resistance of 300-600 ohm/sq.
|
1cm x 1cm
2” or 4” wafer |
| Gratom-S-Si |
- Isolated single graphene domain
- Large graphene domain (30 – 200 µm)
- Average Raman Id/Ig < 5% within domain
|
2” wafer |
*Wafer spec: thermal grown 285-nm SiO2 on p-type Si substrate (resistivity <0 .005 ohm-cm) CVD Graphene transferred on PET
| Product Name |
Product Features |
Available Sizes (in2) |
| Gratom-O1 |
- Transmission of graphene at 550 nm: > 95% (excl. substrate)
- Average sheet resistance: < 800 ohm/sq.
|
2 x 2
4 x 4
8 x 10 |
| Gratom-O2 |
- Transmission of graphene at 550 nm: > 95% (excl. substrate)
- Average sheet resistance: < 300 ohm/sq.
|
2 x 2
4 x 4
8 x 10 |
| Gratom-O3 |
- Transmission of graphene at 550 nm: > 93% (excl. substrate)
- Average sheet resistance: < 150 ohm/sq.
|
2 x 2
4 x 4
8 x 10 |
| Gratom-O4 |
- Transmission of graphene at 550 nm: > 90% (excl. substrate)
- Average sheet resistance: < 70 ohm/sq.
|
2 x 2
4 x 4
8 x 10 |
| Gratom-O5 |
- Transmission of graphene at 550 nm: > 85% (excl. substrate)
- Average sheet resistance: < 30 ohm/sq.
|
2 x 2
4 x 4
8 x 10 |
*PET thickness 5 mil (125 micron), transmittance 87% @ 550 nm Complete characterizationTransmittance and uniformity (optical image) Crystallinity (Raman spectroscopy) Sheet resistance (four-probe measurement) Doping density and carrier mobility (Hall effect)
Our high-quality graphene products on Copper, SiO2/Si and PET.
ALL PRODUCTS CAN BE CUSTOM-MADE ON VIRTUALLY ANY SUBSTRATE AND/OR TO YOUR IDEAL PRODUCT SPECIFICATIONS.
