Table 3.
Fourier-Transform Infrared Analysis of Biologically Synthesized and Chemically Synthesized CuO-NPs
| Biologically Synthesized CuONPs | Chemically Synthesized CuONPs | ||
|---|---|---|---|
| Wave Numbers cm−1 | Functional Groups | Wave Numbers cm−1 | Functional Groups |
| 3586 | O–H stretching | 3406 | O–H stretching |
| 3562 | O–H stretching | 2926 | C–H stretching |
| 3386 | O–H stretching | 2149 | Cu–H stretching |
| 3274 | O–H stretching | 1645 | O–H bending |
| 2927 | C–H stretching | 1459 | C–H bending |
| 2062 | Cu–H stretching | 1421 | C–H bending |
| 1632 | N-H stretching | 1372 | C–H bending |
| 1118 | C–O stretching | 1241 | C–O stretching |
| 1089 | C–O stretching | 1157 | C–O stretching |
| 987 | C–O stretching | 1084 | C–O stretching |
| 942 | C–O stretching | 1015 | C–O stretching |
| 874 | Cu–O–H bending | 929 | Cu–O–H bending |
| 779 | Cu–O | 858 | Cu–O–H bending |
| 735 | Cu–O | 763 | Cu–O |
| 632 | Cu–O | 709 | Cu–O |
| 601 | Cu–O | 609 | Cu–O |
| 510 | Cu–O | 575 | Cu–O |
| 483 | Cu–O | 524 | Cu–O |
| 425 | Cu–O | ||