Table 1 Details of Raman Spectra and XRD for the GNP and the pyrolyzed ceramics.
From: Graphene nanoplatelets as nanofillers in mesoporous silicon oxycarbide polymer derived ceramics
Sample | D peak (cm−1) | β (cm−1) | G peak (cm−1) | β (cm−1) | 2D1* (cm−1) | 2D2* (cm-1) | I(D)/I(G) | I(2D1)/I(G) | I(2D2)/I(G) | La (nm) | LD (nm) | SiC Crystallite size (Ǻ) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
As-received GNP | 1332 | 53 | 1561 | 31 | 2655 | 2688 | 0.43 | 0.23 | 0.21 | 45 | 18 | — |
GNP-1500 | 1332 | 34 | 1558 | 22 | 2656 | 2689 | 0.30 | 0.25 | 0.18 | 64 | 22 | — |
SiOC1500 | 1322 | 93 | 1582 | 62 | 2650 | 2901 | 1.51 | 0.10 | 0.10 | 13 | 10 | 16 |
SiOC1500-3wt% GNP | 1327 | 90 | 1588 | 59 | 2651 | 2905 | 1.47 | 0.11 | 0.10 | 13 | 10 | 16 |
SiOC1500-6wt% GNP | 1319 | 142 | 1581 | 78 | 2620 | 2916 | 1.32 | 0.12 | 0.23 | 15 | 10 | 19 |
