| C 1s sp2 C-C peak | 284.4 eV | — | — | Text Exact Reported | p007 / article p6037 · Results and discussion · Figure 8D |
| C 1s C-O peak | 286 eV | — | — | Text Rounded Reported | p007 / article p6037 · Results and discussion · Figure 8D |
| C 1s O-C-O peak | 287.8 eV | — | — | Text Exact Reported | p007 / article p6037 · Results and discussion · Figure 8D |
| C 1s sp2 hybridisation peak in CF | 284.6 eV | — | — | Text Exact Reported | p007 / article p6037 · Results and discussion · Figure 8D |
| C 1s sp3 hybridisation peak | 288.5 eV | — | — | Text Exact Reported | p007 / article p6037 · Results and discussion · Figure 8D |
| NZMF Ni 2p1/2 binding energy | 873.69 eV | — | — | Text Exact Reported | p004 / article p6034 · Results and discussion · Figure 8A |
| NZMF Ni 2p3/2 binding energy | 856.24 eV | — | — | Text Exact Reported | p004 / article p6034 · Results and discussion · Figure 8A |
| NZMF Ni satellite/outpost peak | 861.9 eV | — | — | Text Rounded Reported | p004 / article p6034 · Results and discussion · Figure 8A |
| NZMF Ni satellite/outpost peak | 879.8 eV | — | — | Text Rounded Reported | p004 / article p6034 · Results and discussion · Figure 8A |
| NZMF O 1s peak | 531.59 eV | — | — | Text Exact Reported | p007 / article p6037 · Results and discussion · Figure 8C |
| NZMF O 1s peak | 532.81 eV | — | — | Text Exact Reported | p007 / article p6037 · Results and discussion · Figure 8C |
| NZMF/CF adsorbed water O 1s peak | 531.62 eV | — | — | Text Exact Reported | p007 / article p6037 · Results and discussion · Figure 8C |
| NZMF/CF C-O/surface hydroxyl O 1s peak | 532.13 eV | — | — | Text Exact Reported | p007 / article p6037 · Results and discussion · Figure 8C |
| NZMF/CF metal-oxygen O 1s peak | 532.11 eV | — | — | Text Exact Reported | p007 / article p6037 · Results and discussion · Figure 8C |
| NZMF/CF oxygen in metal O 1s peak | 532.75 eV | — | — | Text Exact Reported | p007 / article p6037 · Results and discussion · Figure 8C |
| SI XPS survey confirms NZMF and NZMF/CF elemental signals | XPS survey scan of NZMF and NZMF/CF samples; Ni, Zn, O and C signals present | — | — | Visual Estimate Qualitative | p003 · Supplementary file · Fig. S1 |
| Zn 2p1/2 binding energy | 1045.24 eV | — | — | Text Exact Reported | p007 / article p6037 · Results and discussion · Figure 8B |
| Zn 2p3/2 binding energy | 1022.15 eV | — | — | Text Exact Reported | p007 / article p6037 · Results and discussion · Figure 8B |
| Zn 2p spin-orbit splitting | 23.09 eV | — | — | Text Exact Reported | p007 / article p6037 · Results and discussion · Figure 8B |