Measurement evidence
Fabrication of a Novel Cu Based Conjugated Coordination Polymer for Effective Electroreduction of Nitrate to Ammonia and Zn–Nitrate Batteries · Wang W., Chen B., Guo J. et al. · Advanced Functional Materials · 2025 · 2501057
Reported values remain attached to the sample, method, conditions, extraction quality and source location that produced them.
Cu3(HITP)2/CF pine-like electrode · Electrode
NRA electrolytes adjusted to pH 3 with 4 M H2SO4; D2O added; Bruker AVANCE III HD 400 MHz NMR.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| 14NH4+ 1H NMR triplet coupling | 14J_N-H = 52 Hz | — | — | Text Exact Reported | 7 · Results and Discussions · Figure 4f |
| 15NH4+ 1H NMR doublet coupling | 15J_N-H = 73 Hz | — | — | Text Exact Reported | 7 · Results and Discussions · Figure 4f |
Cu3(HHTP)2/CF pine-like comparison electrode · Electrode
Local coordination and oxidation-state comparison against Cu3(HITP)2/CF.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| Isolated Cu atom site fractionMarked as a best value within this paper | 17.85% | 0.1785 fraction | — | Text Exact Reported | 2 · Introduction/overview |
| EXAFS first-shell Cu-O distance | 1.44 A | — | — | Text Exact Reported | 4 · Results and Discussions · Figure 3b |
Cu3(HITP)2/CF pine-like electrode · Electrode
Local coordination and single-atom Cu verification against CuO and Cu foil standards.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| Isolated Cu atom site fraction | 17.32% | 0.1732 fraction | — | Text Exact Reported | 2 · Introduction/overview |
| EXAFS first-shell Cu-N distance | 1.47 A | — | — | Text Exact Reported | 4 · Results and Discussions · Figure 3b |
| Cu-Cu scattering | No Cu-Cu peaks detected | — | — | Text Qualitative | 4 · Results and Discussions · Figure 3b |
| WT-EXAFS maximum intensity k value | k = 5.4 A-1 | — | — | Text Exact Reported | 4 · Results and Discussions · Figure 3e |
Cu3(HHTP)2/CF pine-like comparison electrode · Electrode
High-resolution Cu 2p and O 1s spectra.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| C-O O 1s peak | 532.7 eV | — | — | Text Exact Reported | 4 · Results and Discussions · Figure 2f |
| Cu 2p1/2 lower binding-energy component | 952.99 eV | — | — | Text Exact Reported | 4 · Results and Discussions · Figure 2d |
| Cu 2p3/2 lower binding-energy component | 933.1 eV | — | — | Text Exact Reported | 4 · Results and Discussions · Figure 2d |
| O-Cu O 1s peak | 531.5 eV | — | — | Text Exact Reported | 4 · Results and Discussions · Figure 2f |
| O-H O 1s peak | 533.8 eV | — | — | Text Exact Reported | 4 · Results and Discussions · Figure 2f |
Cu3(HITP)2/CF pine-like electrode · Electrode
High-resolution Cu 2p and N 1s spectra.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| Cu 2p1/2 lower binding-energy component | 952.43 eV | — | — | Text Exact Reported | 4 · Results and Discussions · Figure 2d |
| Cu 2p3/2 lower binding-energy component | 932.67 eV | — | — | Text Exact Reported | 4 · Results and Discussions · Figure 2d |
| N-C N 1s peak | 398.9 eV | — | — | Text Exact Reported | 4 · Results and Discussions · Figure 2e |
| N-Cu N 1s peak | 399.5 eV | — | — | Text Exact Reported | 4 · Results and Discussions · Figure 2e |
| N-H N 1s peak | 397.6 eV | — | — | Text Exact Reported | 4 · Results and Discussions · Figure 2e |