Sensing Application — Conductive Hybrid Cu-HHTP-TCNQ Metal–Organic Frameworks for Chemiresistive Sensing

Measurement evidence

Sensing Application

Conductive Hybrid Cu-HHTP-TCNQ Metal–Organic Frameworks for Chemiresistive Sensing · Luder L., Gubicza A., Stiefel M. et al. · Advanced Electronic Materials · 2022 · 2100871

1 measurement group · 9 results

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

Pressure-dependent chemiresistive resistance response during gas venting/pumping

Cu-HHTP-TCNQ film on glass chip with prepatterned gold electrodes, 45 min · Electrode

Vacuum chamber flushed with nitrogen, dry air, and ambient air at 41% relative humidity while monitoring film resistance and pressure; average of N = 3.

Temperature: room temperature
Atmosphere: Nitrogen, dry air, ambient air (41% RH), vacuum
Geometry: Same 45 min device as representative I-V; contact spacing s = 20 um
Context: Hybrid film proof-of-principle chemiresistive sensing
Measurement source: 11 · Figure S9 · Figure S9

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Normalised conductivity in ambient air relative to nitrogen	ln(sigma/sigma_N2) about -1.0 for ambient air from Figure 4h	—	visual error bar roughly +/-0.3	Figure Axis Approximate	6 · Figure 4 caption · Figure 4h
Normalised conductivity in dry air relative to nitrogen	ln(sigma/sigma_N2) about +0.6 for dry air from Figure 4h	—	visual error bar roughly +/-0.2	Figure Axis Approximate	6 · Figure 4 caption · Figure 4h
SI gas trace sample and spacing	Cu-HHTP-TCNQ film synthesised at 0 C for 45 min; contact spacing s = 20 um	—	—	Caption Exact Reported	11 · Figure S9 caption · Figure S9
Approximate saturated relative resistance response in ambient airMarked as a best value within this paper	DeltaR/R about 0.95 at atmospheric pressure from Figure 4g	—	—	Figure Axis Approximate	6 · Figure 4 caption / 2.7. Chemiresistive Response · Figure 4g
Approximate saturated relative resistance response in dry air	DeltaR/R about 0.70 at atmospheric pressure from Figure 4g	—	—	Figure Axis Approximate	6 · Figure 4 caption / 2.7. Chemiresistive Response · Figure 4g
Approximate saturated relative resistance response in nitrogen	DeltaR/R about 0.85 at atmospheric pressure from Figure 4g	—	—	Figure Axis Approximate	6 · Figure 4 caption / 2.7. Chemiresistive Response · Figure 4g
Pressure where resistance starts to rise	about 10^-1 mbar	—	—	Text Approximate	7 · 2.7. Chemiresistive Response · Figure 4g
Ambient-air relative humidity during sensing test	41% relative humidity	—	—	Text Exact Reported	7 · 2.7. Chemiresistive Response · Figure 4g
Number of gas-response repeats	average of N = 3	—	—	Caption Exact Reported	6 · Figure 4 caption · Figure 4g