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The N2 BET surface areas and total pore volumes of rGO powder obtained from planar GO films with various thicknesses. At any instrument heating rate >100 K/min, GO films with thicknesses from 3 to 45-μm exfoliated explosively with the destruction of the film geometry.
| GO Film Thickness (μm) |
Instrument-set Heating Rate (K/min) |
N2 BET, Specific Surface Area (m2/g) |
Total Pore Volume (cc/g) |
|---|---|---|---|
| 3 | 560 | 757 | 1.75 |
| 9 | 550 | 714 | 1.88 |
| 27 | 412 | 689 | 1.51 |
| 45 | 105 | 782 | 1.57 |
