Table 8 Comparative data on graphene thermal behavior using TGA-DTG analyses
From: Functionalization of graphene using deep eutectic solvents
Sample | 1st degradation | 2nd degradation | 3rd degradation | Total weight loss (%) | Remaining weight (%) | |||
---|---|---|---|---|---|---|---|---|
Weight loss (%) | Tmax a (°C) | Weight loss (%) | Tmax a (°C) | Weight loss (%) | Tmax a (°C) | |||
p-Gr | 0.000 | - | 0.000 | - | 16.886 | >500 | 16.886 | 83.114 |
o-Gr | 3.584 | 225 | 7.400 | 539 | 21.480 | 643 | 32.464 | 67.536 |
Gr-1 | 5.029 | 176 | 8.631 | 533 | 24.154 | 698 | 37.814 | 62.186 |
Gr-2 | 4.160 | 191 | 7.287 | 551 | 22.253 | 726 | 33.700 | 66.300 |
Gr-3 | 3.505 | 198 | 7.741 | 531 | 19.976 | 713 | 31.222 | 68.778 |
Gr-4 | 3.495 | 202 | 7.156 | 550 | 23.457 | 728 | 34.108 | 65.892 |
Gr-5 | 2.712 | 203 | 2.829 | 546 | 18.801 | 722 | 24.342 | 75.658 |
Gr-6 | 4.799 | 167 | 4.458 | 487 | 22.889 | 710 | 32.146 | 67.854 |
Gr-7 | 3.387 | 179 | 4.376 | 510 | 22.062 | 711 | 29.825 | 70.175 |
Gr-8 | 3.786 | 186 | 4.789 | 526 | 23.732 | 700 | 32.307 | 67.693 |
Gr-9 | 3.399 | 188 | 4.177 | 509 | 22.108 | 722 | 29.684 | 70.316 |
Gr-10 | 4.727 | 185 | 6.098 | 543 | 24.493 | 719 | 35.318 | 64.682 |
Gr-11 | 4.192 | 194 | 5.920 | 533 | 17.356 | 705 | 27.468 | 72.532 |
Gr-12 | 4.505 | 194 | 5.953 | 524 | 19.379 | 713 | 29.837 | 70.163 |
Gr-13 | 4.815 | 195 | 4.992 | 528 | 25.581 | 721 | 35.388 | 64.612 |
Gr-14 | 4.808 | 199 | 5.395 | 499 | 17.249 | 698 | 27.452 | 72.548 |
Gr-15 | 2.124 | 219 | - | - | 28.261 | 720 | 30.385 | 69.615 |
Gr-16 | 3.225 | 203 | 6.187 | 547 | 17.779 | 713 | 27.191 | 72.809 |
Gr-17 | 4.111 | 189 | 7.627 | 554 | 22.929 | 722 | 34.667 | 65.333 |
Gr-18 | 2.767 | 211 | 2.900 | 322 | 23.881 | 729 | 29.548 | 70.452 |