Measurement evidence
Conductive Stimuli-Responsive Coordination Network Linked with Bismuth for Chemiresistive Gas Sensing · Aykanat A., Jones C.G., Cline E. et al. · ACS Applied Materials and Interfaces · 2021 · 60306-60318
Reported values remain attached to the sample, method, conditions, extraction quality and source location that produced them.
Bi(HHTP) powder from Procedure 1, 2:1 metal:ligand · Powder
3 mg Bi(HHTP) ground with 20 mg KBr into 6 mm pellet; N2 purge 10 min
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| catechol coordination IR band | 1261 cm^-1 | — | — | Caption Exact Reported | S18 · ATR-FTIR spectroscopy · Figure S21 |
| catechol coordination IR band | 1420 cm^-1 | — | — | Caption Exact Reported | S18 · ATR-FTIR spectroscopy · Figure S21 |
NH3-exposed Bi(HHTP) · Powder
10,000 ppm NH3 in N2 followed by N2 purge; in situ IR
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| NH3 positive band | 1250 cm^-1 | — | — | Text Exact Reported | S59-S60 · DRIFTS gas mechanism · Figures S59-S60 |
| NH3 positive band | 1565 cm^-1 | — | — | Text Exact Reported | S59-S60 · DRIFTS gas mechanism · Figures S59-S60 |
NO-exposed Bi(HHTP) · Powder
10,000 ppm NO in N2 followed by N2 purge; in situ IR
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| NO negative band | 1255 cm^-1 | — | — | Text Exact Reported | S59-S60 · DRIFTS gas mechanism · Figures S59-S60 |
| NO negative band | 800 cm^-1 | — | — | Text Exact Reported | S59-S60 · DRIFTS gas mechanism · Figures S59-S60 |
| NO negative band | 860 cm^-1 | — | — | Text Exact Reported | S59-S60 · DRIFTS gas mechanism · Figures S59-S60 |
Bi(HHTP) chemiresistor on 10 um gap gold electrodes · Electrode
Harrick Praying Mantis DRIFTS; homemade manifold; acetone 558000 ppm, EtOH 108000 ppm, MeOH 164000 ppm, iPrOH 106000 ppm; vacuum purge
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| acetone residual band | 1690 cm^-1 | — | — | Text Exact Reported | S55-S58 · DRIFTS VOC mechanism · Figures S55-S58 |
| ethanol residual band | 1040 cm^-1 | — | — | Text Exact Reported | S55-S58 · DRIFTS VOC mechanism · Figures S55-S58 |
| iPrOH Lewis-acid interaction band | 947 cm^-1 | — | — | Text Exact Reported | S55-S58 · DRIFTS VOC mechanism · Figures S55-S58 |
| methanol residual band | 1030 cm^-1 | — | — | Text Exact Reported | S55-S58 · DRIFTS VOC mechanism · Figures S55-S58 |
| methanol residual band | 1050 cm^-1 | — | — | Text Exact Reported | S55-S58 · DRIFTS VOC mechanism · Figures S55-S58 |
NH3-exposed Bi(HHTP) · Powder
Bruker BioSpin spectrometer; about 2 mg material; pristine, NO-exposed, NH3-exposed samples flushed/sealed under N2
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| NH3-exposed EPR g value | g = 1.991 | — | — | Text Exact Reported | 60314 · Studies of Sensing Mechanism · Figure S48 |
| pristine EPR g value | g = 2.000 | — | — | Text Exact Reported | 60314 · Studies of Sensing Mechanism · Figure S48 |
Bi(HHTP) transparent thin film on quartz cuvette · Thin Film
Drop-cast transparent Bi(HHTP) film on quartz cuvette; Jasco v570; room temperature
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| measurable absorbance wavelength | 690 nm | — | — | Text Exact Reported | S27 · Optical absorbance Band Gap Calculation |
| optical band gap printed in SI figure | calculated optical bandgap of 1.18 eV | — | — | Caption Exact Reported | S27 · Figure S28 caption · Figure S28 |
| optical band gap from textMarked as a best value within this paper | 1.61 eV based on absorption edge | — | — | Text Exact Reported | 60311 · Electronic Properties · Figure S28 |
Bi(HHTP) powder from Procedure 1, 2:1 metal:ligand · Powder
Kratos AXIS Supra, monochromatic Al Kalpha, base pressure 10^-7 Torr; high-resolution C 1s, Bi 4f, O 1s
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| Bi 4f5/2 binding energy | 165.0 eV | — | — | Figure Axis Approximate | S23 · XPS · Figure S25 |
| Bi 4f7/2 binding energy | 159.8 eV | — | — | Figure Axis Approximate | S23 · XPS · Figure S25 |
| C 1s deconvoluted bond ratio | C-O:C=O:C-OH = 2:2.6:1 | — | — | Text Qualitative | 60311 · Analysis of the Oxidation State |