Sensing Application — Ultrafast in Situ Synthesis of Large-Area Conductive Metal-Organic Frameworks on Substrates for Flexible Chemiresistive Sensing

Measurement evidence

Sensing Application

Ultrafast in Situ Synthesis of Large-Area Conductive Metal-Organic Frameworks on Substrates for Flexible Chemiresistive Sensing · Chen X., Lu Y., Dong J. et al. · ACS Applied Materials and Interfaces · 2020 · 57235-57244

5 measurement groups · 25 results

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

Flexible NH3 sensing under bending

Flexible Cu-BHT chemiresistor sensor on PET/Au electrodes · Electrode

20 ppm NH3; bending radii flat, 10, 7 and 3 mm; 1000 cycles at 3 mm

Atmosphere
air
Geometry
PET/Au flexible sensor
Context
pristine Cu-BHT active film
Measurement source
p006; article page 57240 · 3.4 Mechanical Stability · Figure 4
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Bending-cycle enduranceMarked as a best value within this paper1000 cycles at 3 mm bending radius with slight response changeText
Exact Reported
p006; article page 57240 · 3.4 Mechanical Stability · Figure 4d
Bending radii testedflat, 10, 7 and 3 mmText
Range
p006; article page 57240 · 3.4 Mechanical Stability · Figure 4b,c
20 ppm NH3 response at 3 mm bending radiusabout 7.4%Figure Axis
Approximate
p006; article page 57240 · 3.4 Mechanical Stability · Figure 4c
20 ppm NH3 response under flat bending stateabout 6.9%Figure Axis
Approximate
p006; article page 57240 · 3.4 Mechanical Stability · Figure 4c

Humidity-dependent NH3 sensing

Cu-BHT-2 min chemiresistor sensor on Si/SiO2/Au interdigitated electrodes · Electrode

20 ppm NH3 under 0-80% relative humidity

Atmosphere
humidified air
Geometry
Si/SiO2/Au sensor
Context
pristine Cu-BHT active film
Measurement source
p005; article page 57239 · 3.3 Gas-Sensing Performance · Figure S7
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Response at 0% RH-7.88%Text
Exact Reported
p005; article page 57239 · 3.3 Gas-Sensing Performance · Figure S7
Response at 80% RH-4.01%Text
Exact Reported
p005; article page 57239 · 3.3 Gas-Sensing Performance · Figure S7

Chemiresistive NH3 sensing

Cu-BHT-2 min chemiresistor sensor on Si/SiO2/Au interdigitated electrodes · Electrode

Room temperature; NH3 1-100 ppm; 0.01 V across 200 um x 2000 um interdigitated electrodes

Atmosphere
air/dry gas
Geometry
Si/SiO2 with Cr/Au interdigitated electrodes
Context
pristine Cu-BHT active film
Measurement source
p005; article page 57239 · 3.3 Gas-Sensing Performance · Figure 3
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Log-log response-concentration R2R2 = 0.99Figure Axis
Rounded Reported
p005; article page 57239 · 3.3 Gas-Sensing Performance · Figure 3
Log-log response-concentration fit slopey = 0.68x - 0.08Figure Axis
Rounded Reported
p005; article page 57239 · 3.3 Gas-Sensing Performance · Figure 3
NH3 detection range1-100 ppmText
Range
p005; article page 57239 · 3.3 Gas-Sensing Performance · Figure 3/Table S1
NH3 limit of detectionMarked as a best value within this paper0.23 ppmText
Exact Reported
p005; article page 57239 · 3.3 Gas-Sensing Performance · Figure 3/Table S1
Recovery time after 20 ppm NH3102 sText
Exact Reported
p005; article page 57239 · 3.3 Gas-Sensing Performance · Figure 3/Table S1
Repeatability coefficient of variation0.145%Text
Exact Reported
p005; article page 57239 · 3.3 Gas-Sensing Performance · Figure 3/Table S1
Response to 20 ppm NH3 for Cu-BHT-10 min2.3%Figure Axis
Approximate
p006-p007; article pages 57240-57241 · 3.5 Sensing Mechanism · Figure 5a
Response to 20 ppm NH3 for Cu-BHT-12 min1.9%Figure Axis
Approximate
p006-p007; article pages 57240-57241 · 3.5 Sensing Mechanism · Figure 5a
Response to 20 ppm NH3 for Cu-BHT-14 min1.77%Text
Exact Reported
p006-p007; article pages 57240-57241 · 3.5 Sensing Mechanism · Figure 5a
Response to 20 ppm NH3 for Cu-BHT-2 minMarked as a best value within this paper7.02%Text
Exact Reported
p006-p007; article pages 57240-57241 · 3.5 Sensing Mechanism · Figure 5a
Response to 20 ppm NH3 for Cu-BHT-4 min5.8%Figure Axis
Approximate
p006-p007; article pages 57240-57241 · 3.5 Sensing Mechanism · Figure 5a
Response to 20 ppm NH3 for Cu-BHT-5 s5.08%Text
Exact Reported
p006-p007; article pages 57240-57241 · 3.5 Sensing Mechanism · Figure 5a
Response to 20 ppm NH3 for Cu-BHT-6 min4.8%Figure Axis
Approximate
p006-p007; article pages 57240-57241 · 3.5 Sensing Mechanism · Figure 5a
Response to 20 ppm NH3 for Cu-BHT-8 min3.5%Figure Axis
Approximate
p006-p007; article pages 57240-57241 · 3.5 Sensing Mechanism · Figure 5a
Response time to 20 ppm NH358 sText
Exact Reported
p005; article page 57239 · 3.3 Gas-Sensing Performance · Figure 3/Table S1
Driving voltageMarked as a best value within this paper0.01 VText
Exact Reported
p005; article page 57239 · 3.3 Gas-Sensing Performance · Figure 3/Table S1

Chemiresistive selectivity test

Cu-BHT-2 min chemiresistor sensor on Si/SiO2/Au interdigitated electrodes · Electrode

100 ppm acetone, toluene, THF, DMC, hexane, ethanol, H2O, ethyl acetate and NH3

Atmosphere
air
Geometry
Si/SiO2/Au sensor
Context
pristine Cu-BHT active film
Measurement source
p005; article page 57239 · 3.3 Gas-Sensing Performance · Figure 3f
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
NH3 selectivity value rangeMarked as a best value within this paper30-50Text
Range
p005; article page 57239 · 3.3 Gas-Sensing Performance · Figure 3f
NH3 selectivity value in comparison tableMarked as a best value within this paper30SI Table
Exact Reported
p008 · Table S1 · Table S1

Long-term ambient stability and repeatability

Cu-BHT-2 min chemiresistor sensor on Si/SiO2/Au interdigitated electrodes · Electrode

20 ppm NH3 repeatability; ambient-air storage up to 2 months

Atmosphere
ambient air
Geometry
Si/SiO2/Au sensor
Context
pristine Cu-BHT active film
Measurement source
p005; article page 57239 · 3.3 Gas-Sensing Performance · Figure 3e,g
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Response retained after 2 months in airwithin 90% of initial value after exposure to ambient air for 2 monthsText
Approximate
p005; article page 57239 · 3.3 Gas-Sensing Performance · Figure 3g