An Experimental Study of Photocatalytic Degradation of Congo Red Using Polymer Nanocomposite Films

Table 1

Spectral data of chitosan, PVA, and the prepared nanocomposite films.

Chitosan	Chit/C	Interpretation	PVA	PVA/C	Interpretation
Position (cm^−1)			Position (cm^−1)
3448	3425	O-H stretching overlapped with N-H stretching	3404	3400	O-H stretching
2925	2924	Aliphatic C-H stretching	2926	2935	CH2 asymmetric and symmetric stretching
2369	2370		2369	2370
1655	1546	In plane N-H bending	1433	1437	C-H bending
1405	1406	C-O stretching vibration of primary alcoholic group	1095	1092	C-O stretching
1077	1069	Stretching vibration of hydroxy group	670	669	C-H outside the plan bond