Measurement evidence
A Cu-based electronically conducting metal–organic framework with π–d conjugation for cathode and anode modification in aqueous zinc-ion batteries · Yang C., Feng K., Chen J. et al. · Chemical Engineering Journal · 2025 · 165857
Reported values remain attached to the sample, method, conditions, extraction quality and source location that produced them.
DDA-Cu powder · Powder
Room-temperature EPR of DDA-Cu.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| DDA-Cu EPR g-factor | 2.110 | — | — | Text Exact Reported | 3-4 · Results and discussion · Fig. 1i |
DDA ligand · Powder
Room-temperature EPR of pristine DDA ligand.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| DDA ligand EPR g-factor | 2.004 | — | — | Text Exact Reported | 3-4 · Results and discussion · Fig. 1i |
DDA-Cu cathode electrode · Electrode
Cathode at pristine, discharge to 0.3 V, and charge to 1.4 V at 0.2 A g-1.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| Cu2+/Cu+ reversible redox XPS shift | Cu2+ peaks at 934.56 and 954.31 eV; after Zn2+ insertion, Cu+ peaks at 933.3 and 953.01 eV intensified | — | — | Text Exact Reported | 6 · Results and discussion · Fig. 4e |
| Pristine cathode N 1s peaks | 398.44, 399.24, and 400.32 eV assigned to C=N, Cu-N, and C-N | — | — | Text Exact Reported | 6 · Results and discussion · Fig. 4c |
DDA-Cu powder · Powder
Chemical bonding and oxidation-state analysis of DDA-Cu.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| FT-IR N-H stretching vibration | 3427 cm-1 | — | — | Text Rounded Reported | 3 · Results and discussion · Fig. 1c |
| C 1s XPS components | 284.8 (C=C/C-C), 286.16 (C-N), 287.75 (C-O), 288.85 eV (C=O) | — | — | Text Exact Reported | 3 · Results and discussion · Fig. 1e |
| Cu 2p XPS Cu2+ peaks | 933.6 eV (Cu 2p3/2) and 953.43 eV (Cu 2p1/2); satellites at 938.38, 943.16, 958, and 962.59 eV | — | — | Text Exact Reported | 3 · Results and discussion · Fig. 1h |
| N 1s XPS components | 398.17, 399.15, and 400.08 eV assigned to C=N, Cu-N, and C-N | — | — | Text Exact Reported | 3 · Results and discussion · Fig. 1f |
| O 1s XPS components | 531.36 and 532.57 eV assigned to C-O and C=O | — | — | Text Exact Reported | 3 · Results and discussion · Fig. 1g |