Table 2.
Characteristic FT-IR bands for Ag-MNPs and Ag-MNPs@PCL nanofibers at different concentrations of Ag ions.
| Ag-MNPs | Ag-MNPs@PCL | Assignment | Ref | ||||
|---|---|---|---|---|---|---|---|
| x = 0.0 | x = 0.1 | x = 0.2 | x = 0.0 | x = 0.1 | x = 0.2 | Fe–O | [50,53] |
| – | – | 443.3 | 451.8 | 456.1 | 454.4 | ||
| 569.4 | 567.7 | 578.7 | 583 | 583 | 583.1 | ||
| – | – | – | 1164.8 | 1163.5 | 1163.1 | C–O–C stretching vibrations | [54] |
| – | – | – | 1242.3 | 1239.7 | 1236.3 | ||
| – | – | – | 1297.7 | 1298.7 | 1300.2 | C–O and C–C stretching | [55] |
| – | – | – | 1365.2 | 1367.5 | 1361.8 | stretching of CH2 and OH group | [56] |
| – | – | – | 1471.7 | 1473.1 | 1472.1 | ||
| – | – | – | 1723.5 | 1723.6 | 1723.5 | C=O | [21,57] |
| 1628.1 | 1635.1 | 1623.3 | – | – | – | H–O–H bending | [21,57] |
| 2356.4 | – | – | 2863.2 | 2865 | 2864.8 | stretching mode of C–H | [58,59] |
| 2916.1 | 2920.3 | 2929.7 | 2940.9 | 2940.8 | 2940.1 | ||
| 3436.5 | 3440.8 | 3425.5 | – | – | – | H–O–H stretching | [[60], [61], [62]] |