Table 3 FTIR peak and its assignments of groups observed in the fabricated glass doped with Al2O3 in (45-x)SrO-45SiO2-10K2O-xAl2O3 (x = 0, 2, 4 and 6 mol%) system.
SrKS0A | SrKS0A | SrKS0A | SrKS0A | FTIR Band Assignments | Ref. |
|---|---|---|---|---|---|
484 | 472 | 474 | 468 | Metallic cations like Sr+ 2 and K+ | |
700 | 677 | 680 | 682 | Si-O and Si-O-Si bending vibrations | |
802 | 810 | 788 | - | O-Si-O, Si-O-Si bending and Si-O symmetric stretching vibrations | |
1261 | 1271 | 1271 | 1253 | O-C-O bending vibrations | |
1473 | 1495 | 1487 | 1483 | Carbonate (CO32−) group | |
1641 | 1645 | 1641 | C = C stretching vibrations | ||
2314 | 2314 | 2314 | 2312 | hydroxyl group vibrations | |
2351 | 2358 | 2351 | 2351 | O-H stretching in hydroxyl group | |
2486 | 2480 | 2484 | 2482 | O-H bending vibrations | |
2906 | 2899 | 2904 | 2893 | hydrogen bonding | |
2962 | 2956 | 2953 | 2954 | water molecule, O-H vibrations |
