cMOF Evidence Base
Sensing Application — Polythiophene hybrid film with zirconium–porphyrin metal–organic framework for improved charge carrier transport and NO2 gas sensing

Measurement evidence

Sensing Application

Polythiophene hybrid film with zirconium–porphyrin metal–organic framework for improved charge carrier transport and NO2 gas sensing · Lee J.I., Kim M., Park K.C. et al. · Materials Chemistry and Physics · 2022 · 125661

3 measurement groups · 18 results

Reported values remain attached to the sample, method, conditions, extraction quality and source location that produced them.

NH3 exposure selectivity check

PCN-222/P3HT blend film, 10 wt% PCN-222 · Thin Film

Exposure to 10 ppm NH3; drain-current fluctuation assessed qualitatively.

Atmosphere
NH3 gas, 10 ppm
Geometry
OTFT-type gas sensor
Context
PCN-222/P3HT gas sensor
Measurement source
7 · 3. Results and discussion
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
NH3 response at 10 ppmno signal of drain current fluctuations——Text
Qualitative		7 · 3. Results and discussion

NO2 concentration-dependent OTFT sensor response

PCN-222/P3HT blend film, 10 wt% PCN-222 · Thin Film

Sensor exposed to 5-50 ppm NO2 in N2; responsivity plotted versus NO2 concentration and compared to pristine P3HT.

Temperature
294.35
Atmosphere
N2 with 5-50 ppm NO2
Geometry
Top-contact bottom-gate OTFT gas sensor; VG = -10 V and VD = -10 V for sensing measurements.
Context
PCN-222/P3HT sensor compared with pristine P3HT sensor
Measurement source
6 · 3. Results and discussion · Fig. 5e,f
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
NO2 responsivity linear concentration range5 to 50 ppm—range 5-50 ppm; value_numeric stores lower boundText
Range		6 · 3. Results and discussion · Fig. 5e,f
NO2 sensitivity from fitted responsivity slope, PCN-222/P3HTMarked as a best value within this paper~0.034 ppm-1 from Fig. 5f inset—visual estimateFigure Axis
Approximate		6 · 3. Results and discussion · Fig. 5f inset
NO2 sensitivity from fitted responsivity slope, pristine P3HT~0.017 ppm-1 from Fig. 5f inset—visual estimateFigure Axis
Approximate		6 · 3. Results and discussion · Fig. 5f inset

OTFT-type NO2 gas sensing, drain-current response/responsivity

PCN-222/P3HT blend film series · Thin Film

Repeated exposure to 10 ppm NO2 for 100 s with N2 background; fixed biases VG = -10 V and VD = -10 V; dark ambient conditions.

Temperature
294.35
Atmosphere
N2 background with 10 ppm NO2 pulses
Geometry
Top-contact bottom-gate OTFT gas sensor in gas chamber; linear-region readout.
Context
Pristine P3HT and PCN-222/P3HT blend films at different PCN-222 loadings.
Measurement source
3,5-6 · 2.3 Characterization; 3. Results and discussion · Fig. 5a-c
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
NO2 recovery rate at 10 ppm, 10 wt% PCN-222/P3HTMarked as a best value within this paper~0.0011 1/s from Fig. 5c—visual estimateFigure Axis
Approximate		6 · 3. Results and discussion · Fig. 5c
NO2 recovery rate at 10 ppm, 20 wt% PCN-222/P3HT~0.0006 1/s from Fig. 5c—visual estimateFigure Axis
Approximate		6 · 3. Results and discussion · Fig. 5c
NO2 recovery rate at 10 ppm, 50 wt% PCN-222/P3HT~0.0005 1/s from Fig. 5c—visual estimateFigure Axis
Approximate		6 · 3. Results and discussion · Fig. 5c
NO2 response rate at 10 ppm, 100 wt% PCN-222/P3HT~0.0028 1/s from Fig. 5c—visual estimateFigure Axis
Approximate		6 · 3. Results and discussion · Fig. 5c
NO2 response rate at 10 ppm, 10 wt% PCN-222/P3HTMarked as a best value within this paper~0.0050 1/s from Fig. 5c—visual estimateFigure Axis
Approximate		6 · 3. Results and discussion · Fig. 5c
NO2 response rate at 10 ppm, 20 wt% PCN-222/P3HT~0.0020 1/s from Fig. 5c—visual estimateFigure Axis
Approximate		6 · 3. Results and discussion · Fig. 5c
NO2 response rate at 10 ppm, 50 wt% PCN-222/P3HT~0.0018 1/s from Fig. 5c—visual estimateFigure Axis
Approximate		6 · 3. Results and discussion · Fig. 5c
NO2 response rate at 10 ppm, pristine P3HT~0.0037 1/s from Fig. 5c—visual estimateFigure Axis
Approximate		6 · 3. Results and discussion · Fig. 5c
NO2 responsivity at 10 ppm, 100 wt% PCN-222/P3HT~0.30 from Fig. 5c—visual estimateFigure Axis
Approximate		6-7 · 3. Results and discussion · Fig. 5c
NO2 responsivity at 10 ppm, 10 wt% PCN-222/P3HTMarked as a best value within this paper~0.55 from Fig. 5c—visual estimateFigure Axis
Approximate		6 · 3. Results and discussion · Fig. 5c
NO2 responsivity at 10 ppm, 20 wt% PCN-222/P3HT~0.24 from Fig. 5c—visual estimateFigure Axis
Approximate		6-7 · 3. Results and discussion · Fig. 5c
NO2 responsivity at 10 ppm, 30 wt% PCN-222/P3HT~0.25 from Fig. 5c—visual estimateFigure Axis
Approximate		6 · 3. Results and discussion · Fig. 5c
NO2 responsivity at 10 ppm, 50 wt% PCN-222/P3HT~0.17 from Fig. 5c—visual estimateFigure Axis
Approximate		6 · 3. Results and discussion · Fig. 5c
NO2 responsivity at 10 ppm, pristine P3HT~0.42 from Fig. 5c—visual estimateFigure Axis
Approximate		6 · 3. Results and discussion · Fig. 5c