XRD with Cu-Kalpha radiation and XPS
Zn,Ni-CAT-T4 · Electrode
XRD measured at 40 kV and 40 mA; XPS used to analyse surface species and chemical states.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| Ni-CAT Ni 2p1/2 binding energy | 874.23 eV | — | — | Text Exact Reported | 4 · 3.1. Synthesis and characterization · Figure 2 and Figure S4 |
| Ni-CAT Ni 2p3/2 binding energy | 856.12 eV | — | — | Text Exact Reported | 4 · 3.1. Synthesis and characterization · Figure 2 and Figure S4 |
| Ni-CAT Ni 2p satellite binding energy 1 | 861.56 eV | — | — | Text Exact Reported | 4 · 3.1. Synthesis and characterization · Figure 2 and Figure S4 |
| Ni-CAT Ni 2p satellite binding energy 2 | 880.20 eV | — | — | Text Exact Reported | 4 · 3.1. Synthesis and characterization · Figure 2 and Figure S4 |
| Zn,Ni-CAT (100) XRD peak shift versus Ni-CAT | Delta theta = 0.39 degrees to lower diffraction angle | — | — | Text Exact Reported | 4 · 3.1. Synthesis and characterization · Figure 2f |
| C 1s C=C binding energy | 284.80 eV | — | — | Text Exact Reported | 4 · 3.1. Synthesis and characterization · Figure 2g |
| C 1s C=O/C-O binding energy assignment 1 | 286.34 eV | — | — | Text Exact Reported | 4 · 3.1. Synthesis and characterization · Figure 2 and Figure S4 |
| C 1s C-O binding energy assignment 2 | 288.43 eV | — | — | Text Exact Reported | 4 · 3.1. Synthesis and characterization · Figure 2 and Figure S4 |
| C 1s pi-pi* satellite binding energy | 290.84 eV | — | — | Text Exact Reported | 4 · 3.1. Synthesis and characterization · Figure 2 and Figure S4 |
| Zn,Ni-CAT Ni 2p1/2 binding energy | 873.92 eV | — | — | Text Exact Reported | 4 · 3.1. Synthesis and characterization · Figure 2h |
| Zn,Ni-CAT Ni 2p1/2 negative shift versus Ni-CAT | -0.31 eV | — | — | Text Exact Reported | 4 · 3.1. Synthesis and characterization · Figure 2 and Figure S4 |
| Zn,Ni-CAT Ni 2p3/2 binding energy | 855.80 eV | — | — | Text Exact Reported | 4 · 3.1. Synthesis and characterization · Figure 2h |
| Zn,Ni-CAT Ni 2p3/2 negative shift versus Ni-CAT | -0.32 eV | — | — | Text Exact Reported | 4 · 3.1. Synthesis and characterization · Figure 2 and Figure S4 |
| O 1s C-O binding energy | 533.12 eV | — | — | Text Exact Reported | 4 · 3.1. Synthesis and characterization · Figure 2 and Figure S4 |
| O 1s H2O binding energy | 535.75 eV | — | — | Text Exact Reported | 4 · 3.1. Synthesis and characterization · Figure 2 and Figure S4 |
| O 1s metal-oxygen binding energy | 531.44 eV | — | — | Text Exact Reported | 4 · 3.1. Synthesis and characterization · Figure 2 and Figure S4 |
| Zn,Ni-CAT Zn 2p1/2 binding energy | 1044.92 eV | — | — | Text Exact Reported | 4 · 3.1. Synthesis and characterization · Figure 2i |
| Zn,Ni-CAT Zn 2p3/2 binding energy | 1021.74 eV | — | — | Text Exact Reported | 4 · 3.1. Synthesis and characterization · Figure 2i |
| Zn oxidation state in Zn,Ni-CAT | Zn exists as Zn2+ | — | — | Text Qualitative | 4 · 3.1. Synthesis and characterization · Figure 2 and Figure S4 |