Measurement evidence
From Low-to High-Crystallinity Bimetal-Organic Framework Nanosheet with Highly Exposed Boundaries: An Efficient and Stable Electrocatalyst for Oxygen Evolution Reaction · Xu J., Zhu X., Jia X. · ACS Sustainable Chemistry and Engineering · 2019 · 16629-16639
Reported values remain attached to the sample, method, conditions, extraction quality and source location that produced them.
(U+S)-CoFe-MOF hierarchical nanosheets · Nanosheet
Functional-group comparison for U+S, U and S CoFe-MOFs.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| FTIR C=C band | 1580 cm-1 | — | — | Text Rounded Reported | 5 · Results and Discussion · Figure 2d |
(U+S)-CoFe-MOF hierarchical nanosheets · Nanosheet
Co and Fe composition of U+S, U and S CoFe-MOF powders.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| S-CoFe-MOF Co and Fe mass percent | Co 20.5 wt%; Fe 21.2 wt% | — | — | SI Table Exact Reported | 7 · Supporting Information · Table S1 |
| U-CoFe-MOF Co and Fe mass percent | Co 12.1 wt%; Fe 16.2 wt% | — | — | SI Table Exact Reported | 7 · Supporting Information · Table S1 |
| (U+S)-CoFe-MOF Co mass percent | 16.7% | — | — | SI Table Exact Reported | 7 · Supporting Information · Table S1 |
| (U+S)-CoFe-MOF Fe mass percent | 17.6% | — | — | SI Table Exact Reported | 7 · Supporting Information · Table S1 |
(U+S)-CoFe-MOF hierarchical nanosheets · Nanosheet
Mechanistic comparison before/after solvothermal treatment, ligand/metal dissolution and surface electronic states.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| Co concentration increase in solution after solvothermal treatment | more than 56 times | — | more than | Text Approximate | 6 · Results and Discussion · Figure 3c |
| Low-temperature TGA solvent weight loss | 11.0 wt% before 270 degC for both MOFs | — | — | Text Rounded Reported | 6 · Results and Discussion · Figure 3b |
| (U+S)-CoFe-MOF high-temperature weight loss reduction versus U-CoFe-MOF | 10.2 wt% less than U-MOF | — | — | Text Rounded Reported | 6 · Results and Discussion · Figure 3b |
| Co 2p3/2 XPS peak positions for Co3+ and Co2+ | Co3+ at 781.41 eV; Co2+ at 783.22 eV | — | — | Text Exact Reported | 6 · Results and Discussion · Figure 3f |
| Co3+/Co2+ intensity ratio increase after solvothermal treatment | increased by 3.6 times | — | — | Text Rounded Reported | 6 · Results and Discussion · Figure 3f |