Measurement evidence
Facile design of highly effective Fe-modified bimetallic Fex–Ni1−x-MOFs catalysts with rodlike structures for low-temperature NO reduction by CO · Huang L., Shi Y., Xiong W. et al. · Journal of Materials Science · 2021 · 9914-9928
Reported values remain attached to the sample, method, conditions, extraction quality and source location that produced them.
Fe0.33-Ni0.67-MOFs · Powder
Pretreated under Ar at 200 C for 30 min; spectra collected from 4000-400 cm^-1 at 4 cm^-1 resolution; CO adsorption from 30 to 300 C.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| New CO adsorption-related FT-IR bands on Fe0.33-Ni0.67-MOF | 1618, 1687, and 1508 cm^-1 | — | multiple band positions | Text Rounded Reported | 9923 · In situ FT-IR analysis · Figure 10 |
Fe0.33-Ni0.67-MOFs · Powder
NO adsorption spectra from 30 to 300 C under simulated conditions.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| NONO band region before 250 C | 1720-1650 cm^-1 | — | range 1720-1650 cm^-1 | Text Range | 9923-9924 · In situ FT-IR analysis · Figure 11 |
Fe0.33-Ni0.67-MOFs · Powder
NO and CO co-adsorption spectra; Fe0.33-Ni0.67-MOF compared with Ni-MOF.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| Key adsorbed NOx species in NO + CO co-adsorption | -(NO)2 at 1844 and 1764 cm^-1; bridge bidentate NO3- at 1614 cm^-1; chelate bidentate NO3- at 1556 cm^-1; free NO3- at 1458 cm^-1; trans-N2O2(2-) at 1427 cm^-1; M-NO2 at 1380 cm^-1; chelate bidentate NO2- at 1314 cm^-1 | — | multiple band positions | Text Rounded Reported | 9924 · In situ FT-IR analysis · Figure 12 |
Fe0.33-Ni0.67-MOFs · Powder
ChemBET PULSAR TPR/TPD; reduction from 50 to 700 C at 10 C min^-1.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| Fe3+ to Fe2+ reduction peak temperature | 279 C | — | — | Text Rounded Reported | 9921 · Catalyst characterizations · Figure 8 |
| Shifted Ni2+ reduction peak temperature | 300 C | — | — | Text Rounded Reported | 9921 · Catalyst characterizations · Figure 8 |
Ni-MOFs · Powder
ChemBET PULSAR TPR/TPD; reduction from 50 to 700 C at 10 C min^-1.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| Ni2+ reduction peak temperature | 317 C | — | — | Text Rounded Reported | 9921 · Catalyst characterizations · Figure 8 |
Fe0.33-Ni0.67-MOFs · Powder
Survey and deconvoluted Fe 2p, Ni 2p and O 1s spectra.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| Fe atomic percentage | 2.6 at.% | — | — | Table Exact Reported | 9922 · Catalyst characterizations · Table 2 |
| Ni3+/(Ni3+ + Ni2+) ratioMarked as a best value within this paper | 43.2% | — | — | Table Exact Reported | 9922 · Catalyst characterizations · Table 2 |
| Ni atomic percentage | 5.7 at.% | — | — | Table Exact Reported | 9922 · Catalyst characterizations · Table 2 |
| O atomic percentage | 31.8 at.% | — | — | Table Exact Reported | 9922 · Catalyst characterizations · Table 2 |
| Ob/(Oa + Ob) ratioMarked as a best value within this paper | 60.3% | — | — | Table Exact Reported | 9922 · Catalyst characterizations · Table 2 |
Ni-MOFs · Powder
Survey and deconvoluted Ni 2p and O 1s spectra.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| Ni3+/(Ni3+ + Ni2+) ratio | 29.1% | — | — | Table Exact Reported | 9922 · Catalyst characterizations · Table 2 |
| Ni atomic percentage | 7.3 at.% | — | — | Table Exact Reported | 9922 · Catalyst characterizations · Table 2 |
| O atomic percentage | 34.6 at.% | — | — | Table Exact Reported | 9922 · Catalyst characterizations · Table 2 |
| Ob/(Oa + Ob) ratio | 51.7% | — | — | Table Exact Reported | 9922 · Catalyst characterizations · Table 2 |