. 2022 Oct 28;7(44):40116–40131. doi: 10.1021/acsomega.2c04933

Table 1. Band Assignments of FTIR Spectra for Polymer Blend (PVA-PEG)-NaNO₃ + x wt % of MWCNTs Containing Various Weight Percentages (x = 2.5, 5, 7. 5, and 10 wt %) Based Composite Electrolytes.

x wt % of MWCNTs
2.5 wt %	5 wt %	7.5 wt %	10 wt %	Band Assignments
838	832	843	841	CH₂ stretching
946	956	962	945	C–C stretching
1084	1087	1097	1092	–C–O stretching of PVA
1262	1250	1265	1245	C–H wagging/CH2 twisting
1356	1350	1311	1351	v1 (symmetric stretching mode/CH₂ bending mode
1645	1645	1642	1637	C=C (st)
1728	1725	1728	1717	C–O stretching/vinyl ester of PVA
2920	2926	2946	2924	CH₂ asymmetric stretching/C–H stretching
3369	3378	3339	3381	O–H stretching

Table 1. Band Assignments of FTIR Spectra for Polymer Blend (PVA-PEG)-NaNO3 + x wt % of MWCNTs Containing Various Weight Percentages (x = 2.5, 5, 7. 5, and 10 wt %) Based Composite Electrolytes.