Table 3. Wavenumber of the Sample.
| type of bond | wavenumber (cm–1) | |||||
|---|---|---|---|---|---|---|
| P | P-TiO2 | P-SiO2 | P-TS1:0.5 | P-TS1:1 | P-TS1:2 | |
| Csp2–H | 3063 | 3069 | 3070 | 3063 | 3056 | 3063 |
| Csp3–H | 2968 | 2981 | 2975 | 2961 | 2968 | 2964 |
| C=O | 1731 | 1712 | 1717 | 1717 | 1724 | 1709 |
| C=C aromatic | 1454 | 1408 | 1420 | 1400 | 1406 | 1394 |
| C=C stretching | 703 | 715 | 710 | 717 | 723 | 696 |
| Ti–O | 856 | 865 | 858 | 876 | ||
| Si–O–H | 798 | 823 | ||||
| Si–O | 527 | 541 | 580 | 547 | ||