Measurement evidence
Giant Enhancement of Carrier Mobility in Bimetallic Coordination Polymers · Dhara B., Kumar V., Gupta K. et al. · ACS Omega · 2017 · 4488-4493
Reported values remain attached to the sample, method, conditions, extraction quality and source location that produced them.
Fe-BTC-Cr 1:1 xerogel pressed pellet · Pellet
Elemental mapping of Fe and Cr distribution in bimetallic samples.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| Fe/Cr spatial distribution | homogeneous distribution of Fe and Cr across 1:1, 2:1 and 1:2 bimetallic CPs | — | — | Text Qualitative | p002 · Results and Discussion · Figure 4a; Figure S4 |
Fe-BTC-Cr 1:1 xerogel pressed pellet · Pellet
FTIR used to verify BTC coordination and metal-oxygen bonding in CPs.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| BTC C=O stretching vibration after coordination | ~1630 cm-1 in all CPs, shifted from BTC at ~1730 cm-1 | — | — | Text Approximate | p002 · Results and Discussion · Figure S1 |
| Cr-O stretching vibration | ~525 cm-1 | — | — | Text Approximate | p002 · Results and Discussion · Figure S1 |
| Fe-O stretching vibration | ~470 cm-1 | — | — | Text Approximate | p002 · Results and Discussion · Figure S1 |
Fe-BTC-Cr 1:1 xerogel pressed pellet · Pellet
Solid-state UV-vis spectra measured from 250-800 nm and converted using Kubelka-Munk function; band gaps estimated from Tauc plots.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| Cr-BTC band gap | ~3.8 eV | — | — | Text Approximate | p003 · Results and Discussion · Figure 5b |
| Fe-BTC band gap | ~2.8 eV | — | — | Text Approximate | p003 · Results and Discussion · Figure 5b |
| Fe-BTC-Cr band gapMarked as a best value within this paper | ~2.4 eV | — | — | Text Approximate | p003 · Results and Discussion · Figure 5b |
| New hybrid charge-transfer band | ~1.75 eV | — | — | Text Approximate | p003 · Results and Discussion · Figure 5b inset |
Fe-BTC-Cr 1:1 xerogel pressed pellet · Pellet
Fe 2p and Cr 2p XPS spectra of 1:1 Fe-BTC-Cr at room temperature.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| Cr 2p3/2 binding energy | 577.4 eV | — | — | Text Exact Reported | p003 · Results and Discussion · Figure 4b |
| Fe 2p3/2 binding energy | 711.3 eV | — | — | Text Exact Reported | p003 · Results and Discussion · Figure 4b |
| Fe/Cr elemental composition from XPS | ~1:1 | — | — | Text Approximate | p003 · Results and Discussion · Figure 4b |