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. 2021 Mar 3;11(3):623. doi: 10.3390/nano11030623

Table 1.

FTIR analysis of the GO and the AArGO samples.

Assignments Absorption Frequencies (cm−1)
GO AArGO25 AArGO50 AArGO100
O–H vibration 3272 - - -
C–H vibration 2941 2323 - -
C=O stretching 1786 1731 1713 1724
aromatic C=C vibration 1596 1580 1565 -
–COOH stretching - 1623 1630 1683
C–OH bending 1338 1370 1394 -
C–O–C bending 1228 1228 1224 -
C–O stretching 1044 1027 1015 1015