Table 1. Summary of N 1s and C 1s Peak Analysis for All Four Membranes.
membrane | N1a (%) (399.4) | N2a (%) (400.5) | N3a (%) (401.7) | C/O ratio |
---|---|---|---|---|
GO | 2 | |||
CS/0 | 86.34 | 9.56 | 4.10 | 5 |
DG-CSGO | 80.68 | 12.64 | 6.68 | 2.2 |
DN-CSGO | 83.50 | 9.86 | 6.64 | 2.3 |
N1, N2, and N3 are related to amine, amide, and protonated amine species, respectively.