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The assignment and functional groups of FT-Raman bands of the agarose/talc composite films.
| Raman shift (cm−1) | Assignment | Functional group |
|---|---|---|
| 670–693 | SiO4 stretching | Silica |
| 862–870 | C–H bending | Alkane |
| 1071–1078 | C–O stretching | Alcohol |
| 1302–1310 | CH3 bending | Alkane |
| 2937–2945 | C–H stretching | Alkane |
| 3300–3331 | O–H stretching | Alcohol |
