Relative surface concentrations of nitrogen species obtained by fitting the N1s XPS spectra.
| Sample | Pyridinic N/% | Pyrrolic N/% | Graphitic N/% | Pyridine N oxide/% |
|---|---|---|---|---|
| ZIFC | 63.1 | 16.0 | 16.9 | 4.0 |
| RUFC | 34.0 | 8.9 | 45.6 | 11.6 |
| ZIFC@RUFC | 31.2 | 3.3 | 51.1 | 14.4 |
| Sample | Pyridinic N/% | Pyrrolic N/% | Graphitic N/% | Pyridine N oxide/% |
|---|---|---|---|---|
| ZIFC | 63.1 | 16.0 | 16.9 | 4.0 |
| RUFC | 34.0 | 8.9 | 45.6 | 11.6 |
| ZIFC@RUFC | 31.2 | 3.3 | 51.1 | 14.4 |