Table 2 Samples’ peaks and their assignments from FTIR characterization.
Compounds’ wavenumber peaks (cm−1) | Assignments | ||||
|---|---|---|---|---|---|
Mn 0.02 | Mn 0.04 | Mn 0.06 | Mn 0.08 | Mn 0.10 | |
458 | 460 | 457 | – | – | Stretching Li–O |
474 | 480 | 457 | 470 | 453 | Stretching Li–O |
493 | 491 | 482 | 483 | 481 | v1 |
511 | 507 | 509 | 507 | 515 | v1 |
662 | – | – | – | – | v2 |
680 | – | – | – | – | v2 |
707 | 684 | 678 | 678 | – | v2 |
720 | 698 | 691 | 690 | 685 | Stretching of Mn–O |
