Table 4.
The main characteristic bands of FT-IR
| Gd2O3 | CdS/Gd2O3 | CdS/Gd2O3@GO | Gd2O3@CA | CdS/Gd2O3@CA | CdS/Gd2O3/GO@CA | Assignment | Ref |
|---|---|---|---|---|---|---|---|
| – | – | – | 1419 | 1421 | 1670 | C–H bending | (Qutub et al. 2022) |
| 3430 | 3400 | 3420 | 3400 | 3470 | – | O–H vibration | (Pascariu et al. 2022) |
| 540 | – | – | – | – | – | Gd–O stretching | (Christophe Massard 2022) |
| – | – | – | – | – | 1570 | O–H bond | (Liu et al. 2021) |
| 1633 | – | – | – | – | 1633 | H–O–H bending | (Ni et al. 2021) |
| – | – | – | – | – | 1344 | Cd–S bond | (Liu et al. 2021) |
| 915 | – | 1042 | 843 | 1709 | – | C–O stretching | (Lingamdinne et al. 2021) |
| – | – | – | 1630 | – | – | O–H–O bending | (Abu-Dief et al. 2020) |
| – | – | 1102 | 1160 | 1159 | 1180 | C–O–C stretching | (Liu et al. 2021) |