OFET DES vapour sensing
CPO-27-Ni/pentacene bilayer OFET, 3000 rpm MOF coating · Thin Film
DES vapour generated by injecting DES liquid into a sealed 200 uL chamber; device biased at Vg = Vd = -3 V under 25 deg C and RH about 45%; concentrations 104, 72, 51, 31, and 10 ppm.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| lowest measured DES concentrationMarked as a best value within this paper | 10 ppm | — | — | Text Exact Reported | p007 / article p.30586 · Results and Discussion · Figure 6a,b |
| normalised drain current after 104 ppm DES exposure | Id(t)/Id(0) decreases to about 0.82 from Figure 6a | — | — | Figure Axis Approximate | p007 / article p.30586 · Results and Discussion · Figure 6a |
| DES sensitivity at 104 ppmMarked as a best value within this paper | about 16.2% from Figure 6d | — | — | Figure Axis Approximate | p007 / article p.30586 · Results and Discussion · Figure 6d |
| DES sensitivity at 10 ppm | greater than 4% | — | — | Text Approximate | p008 / article p.30587 · Results and Discussion · Figure 6b |
| DES sensitivity at 31 ppm | about 5.0% from Figure 6d | — | — | Figure Axis Approximate | p007 / article p.30586 · Results and Discussion · Figure 6d |
| DES sensitivity at 51 ppm | about 5.5% from Figure 6d | — | — | Figure Axis Approximate | p007 / article p.30586 · Results and Discussion · Figure 6d |
| DES sensitivity at 72 ppm | about 8.3% from Figure 6d | — | — | Figure Axis Approximate | p007 / article p.30586 · Results and Discussion · Figure 6d |
| response time at 10 ppm DESMarked as a best value within this paper | 31.33 (+/-1.52) s | — | +/-1.52 s | Text Exact Reported | p008 / article p.30587 · Results and Discussion · Figure 6c |
| drain voltage during sensing | Vd = -3 V | — | — | Text Exact Reported | p006 / article p.30585 · Results and Discussion |
| gate voltage during sensing | Vg = -3 V | — | — | Text Exact Reported | p006 / article p.30585 · Results and Discussion |
| sensing chamber volume | around 200 uL | 0.2 mL | — | Text Approximate | p006 / article p.30585 · Results and Discussion |
| relative humidity during sensing | RH about 45% | — | — | Text Approximate | p006 / article p.30585 · Results and Discussion |
| sensing temperature | 25 deg C | 298.15 K | — | Text Exact Reported | p006 / article p.30585 · Results and Discussion |
| DES sensitivity power-law exponent | 3.58 (+/-0.48) | — | +/-0.48 | Text Exact Reported | p007 / article p.30586 · Results and Discussion · Figure 6b |