Measurement evidence
Valence-Dependent Electrical Conductivity in a 3D Tetrahydroxyquinone-Based Metal-Organic Framework · Chen G., Gee L.B., Xu W. et al. · Journal of the American Chemical Society · 2020 · 21243-21248
Reported values remain attached to the sample, method, conditions, extraction quality and source location that produced them.
FeTHQ as-prepared pressed pellet · Pellet
Cold-isostatic pressed FeTHQ pellet measured under vacuum with 0.3 mm contact spacing and 25 um BeCu contacts.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| Average conductivity at 300 KMarked as a best value within this paper | 3.3 +/- 0.55 mS cm^-1 | 0.0033 S cm^-1 | +/- 0.55 mS cm^-1 | Text Exact Reported | 21245 · main text · Figure 5a |
FeTHQ_ox · Pellet
Air-oxidised FeTHQ pellet conductivity compared with the same batch of as-prepared FeTHQ.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| Air-oxidised conductivity at 300 K | 0.66 +/- 0.059 mS cm^-1 | 0.00066 S cm^-1 | +/- 0.059 mS cm^-1 | Text Exact Reported | 21246 · main text · Figure 5a |
FeTHQ_red0.5 · Pellet
Reduced FeTHQ_red0.5 pellet conductivity from Figure 5a.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| FeTHQ_red0.5 conductivity at 300 K | ~1.3 mS cm^-1 from Figure 5a | 0.0013 S cm^-1 | visual error bar roughly +/- 0.1 mS cm^-1 | Figure Axis Approximate | 21245 · Figure · Figure 5a |
FeTHQ_red2 · Pellet
Reduced FeTHQ_red2 pellet conductivity from Figure 5a.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| FeTHQ_red2 conductivity at 300 K | ~0.58 mS cm^-1 from Figure 5a | 0.00058 S cm^-1 | visual error bar roughly +/- 0.05 mS cm^-1 | Figure Axis Approximate | 21245 · Figure · Figure 5a |
FeTHQ_red4 · Pellet
Reduced FeTHQ_red4 pellet conductivity from Figure 5a.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| FeTHQ_red4 conductivity at 300 K | ~0.45 mS cm^-1 from Figure 5a | 0.00045 S cm^-1 | visual error bar roughly +/- 0.03 mS cm^-1 | Figure Axis Approximate | 21246 · Figure · Figure 5a |
FeTHQ_redox0.5 · Pellet
FeTHQ_redox0.5 pellet conductivity from Figure S14a after air oxidation followed by sodium naphthalenide reduction.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| FeTHQ_redox0.5 conductivity from Figure S14a | ~0.72 mS cm^-1 | 0.00072 S cm^-1 | visual error bar roughly +/- 0.05 mS cm^-1 | Figure Axis Approximate | S11 · Figure · Figure S14a |
FeTHQ_redox2 · Pellet
FeTHQ_redox2 pellet conductivity from Figure S14a after air oxidation followed by sodium naphthalenide reduction.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| FeTHQ_redox2 conductivity from Figure S14a | ~0.40 mS cm^-1 | 0.0004 S cm^-1 | visual error bar roughly +/- 0.03 mS cm^-1 | Figure Axis Approximate | S11 · Figure · Figure S14a |
FeTHQ as-prepared pressed pellet · Pellet
Temperature-dependent pellet conductivity fitted in two ranges, 240-340 K and 200-240 K.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| Activation energy from 240 to 340 K | 270 meV | 0.27 eV | — | Text Exact Reported | 21244-21245 · main text · Figure 4d |
| Activation energy from 200 to 240 K | 150 meV | 0.15 eV | — | Text Exact Reported | 21244-21245 · main text · Figure 4d |