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Parameters applied for the synthesis of pristine (PG) and nitrogen doped (NG) graphene.
| Sample | N2:CH4 Flux ratio (s.c.c.m.) |
Temperature (°C) |
Synthesis time (min) |
Pressure (Torr) |
Voltage (V) |
|---|---|---|---|---|---|
| PG | 1:1 | 760 | 2.5 | 43 | 85 |
| NG1 | 2:1 | 760 | 2.5 | 43 | 85 |
| NG2 | 3:1 | 760 | 2.5 | 43 | 85 |
| NG3 | 5:1 | 760 | 2.5 | 43 | 85 |
All samples were synthesized at a constant flow of 10 s.c.c.m. hydrogen.
