Table 1 Elemental analysis of graphene oxide and its modifications
Samples | Element content [wt.]% | C/O ratio | C/H ratio | C/N ratio | |||
|---|---|---|---|---|---|---|---|
C | H | O | N | ||||
GO | 48.1 | 3.06 | 45.2 | – | 1.42 | 1.32 | – |
GO-Cl | 53.6 | 2.83 | – | – | – | 1.59 | – |
GO-DMPPA | 71.5 | 3.44 | 17.0 | 5.73 | 5.61 | 1.74 | 14.6 |
GO-AEDPPF | 70.1 | 3.69 | – | 6.27 | – | 1.58 | 13.0 |
GO-DClBAO | 71.9 | 3.26 | 18.7 | 5.65 | 5.12 | 1.85 | 14.9 |
GO-dClpf | 48.1 | 2.93 | – | – | – | 1.37 | – |
PhChGO | 54.5 | 2.56 | – | – | – | 1.79 | – |