Capacitive alcohol-vapour sensing with LCR meter
Co-TCPP IC-MOF capacitive sensor on ITO interdigital electrodes · Electrode
Specific volumes of alcohol analytes were injected into an airtight Teflon chamber; five volumes were tested for each alcohol and fitted to relative capacitance response.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| Theoretical LOD for ethanol | 6.0 nL | — | — | Text Rounded Reported | 4 · Results and Discussion · Figure S4 |
| Theoretical LOD for methanolMarked as a best value within this paper | 4.5 nL | — | — | Text Rounded Reported | 4 · Results and Discussion · Figure S4 |
| Theoretical LOD for n-butanol | 9.8 nL | — | — | Text Rounded Reported | 4 · Results and Discussion · Figure S4 |
| Theoretical LOD for n-propanol | 8.2 nL | — | — | Text Rounded Reported | 4 · Results and Discussion · Figure S4 |
| Ethanol fit R2 | R2 = 0.994 | — | — | Figure Axis Exact Reported | 6 · Figure S4 · Figure S4b |
| Methanol fit R2 | R2 = 0.985 | — | — | Figure Axis Exact Reported | 6 · Figure S4 · Figure S4a |
| N-butanol fit R2 | R2 = 0.992 | — | — | Figure Axis Exact Reported | 6 · Figure S4 · Figure S4d |
| N-propanol fit R2 | R2 = 0.970 | — | — | Figure Axis Exact Reported | 6 · Figure S4 · Figure S4c |
| Isobutanol fit R2 | R2 = 0.980 | — | — | Figure Axis Exact Reported | 7 · Figure S5 · Figure S5d |
| Isopropanol fit R2 | R2 = 0.998 | — | — | Figure Axis Exact Reported | 7 · Figure S5 · Figure S5a |
| Sec-butanol fit R2 | R2 = 0.984 | — | — | Figure Axis Exact Reported | 7 · Figure S5 · Figure S5b |
| Tert-butanol fit R2 | R2 = 0.967 | — | — | Figure Axis Exact Reported | 7 · Figure S5 · Figure S5c |
| Ethanol fitted response slope | y = 0.85x + 0.043 | — | — | Table Exact Reported | 4 · Results and Discussion · Table 1 |
| Isobutanol fitted response slope | y = 0.36x + 0.055 | — | — | Table Exact Reported | 4 · Results and Discussion · Table 1 |
| Isopropanol fitted response slope | y = 0.75x + 0.162 | — | — | Table Exact Reported | 4 · Results and Discussion · Table 1 |
| Methanol fitted response slopeMarked as a best value within this paper | y = 1.14x + 0.133 | — | — | Table Exact Reported | 4 · Results and Discussion · Table 1 |
| N-butanol fitted response slope | y = 0.52x + 0.030 | — | — | Table Exact Reported | 4 · Results and Discussion · Table 1 |
| N-propanol fitted response slope | y = 0.62x + 0.058 | — | — | Table Exact Reported | 4 · Results and Discussion · Table 1 |
| Sec-butanol fitted response slope | y = 0.54x + 0.040 | — | — | Table Exact Reported | 4 · Results and Discussion · Table 1 |
| Tert-butanol fitted response slope | y = 0.63x + 0.075 | — | — | Table Exact Reported | 4 · Results and Discussion · Table 1 |