Table 2. Different Parameters Obtained after De-Convolution of Raman Spectra of SiO2-NPs, MWCNTs, MWCNTs/SiO2-NPs (Si-NPs = 1.5 atom %), and MWCNTs/SiO2-NPs (Si-NPs = 5.75 atom %).
| x (cm–1) | Δω (cm–1) | int. (au) | x (cm–1) | Δω (cm–1) | int. (au) | x (cm–1) | Δω (cm–1) | int. (au) | |
|---|---|---|---|---|---|---|---|---|---|
| First Order Raman Spectra | Peak-I (D-band) | Peak-II (G-band) | Peak-III D′-band | ||||||
| MWCNTs | 1343 | 92 | 2.1 | 1574 | 82 | 1.6 | |||
| MWCNTs/SiO2-NPs (Si-NPs = 1.5 atom %) | 1336 | 91 | 3.9 | 1573 | 77 | 2.6 | |||
| MWCNTs/SiO2-NPs (Si-NPs = 5.75 atom %) | 1298 | 18 | 2.8 | 1439 | 23 | 3.8 | 1460 | 24 | 2.4 |
| Second Order Raman Spectra | (2D-band) | (D + G)-band | (2G-band/2D′-band) | ||||||
| MWCNTs | 2679 | 118 | 0.7 | 2888 | 150 | 0.5 | |||
| MWCNTs/SiO2-NPs (Si-NPs = 1.5 atom %) | 2673 | 116 | 1.4 | 2900 | 138 | 0.7 | |||
| MWCNTs/SiO2-NPs (Si-NPs = 5.75 atom %) | 2727 | 38 | 1.5 | 2924 | 43 | 14.2 | 2850 | 16 | 12.3 |
| 2873 | 30 | 29.9 | |||||||