cMOF Evidence Base
Sensing Application — Humidity-Mediated Dual Ionic-Electronic Conductivity Enables High Sensitivity in MOF Chemiresistors

Measurement evidence

Sensing Application

Humidity-Mediated Dual Ionic-Electronic Conductivity Enables High Sensitivity in MOF Chemiresistors · Jo Y.-M., Kim D.-H., Wang J. et al. · Journal of the American Chemical Society · 2024 · 20213-20220

2 measurement groups · 10 results

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

Dynamic chemiresistive NH3 sensing

Cu3HHTT2-n drop-cast Au-interdigitated electrode sensors · Electrode

Cu3HHTT2-n sensors exposed to 60 ppm NH3 under 0-70% RH at room temperature; response S calculated as (Rg - Ra)/Ra or (Rg - Ra)/Rg depending on sign.

Temperature
298
Atmosphere
air with controlled humidity and NH3
Geometry
drop-cast Cu3HHTT2 sensors on Au-interdigitated electrodes
Context
pristine target framework
Measurement source
p004-p005 / article pp.20216-20217 · NH3 Sensing · Figure 5; Figures S9-S13; Table S3
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Cu3HHTT2-1 acetone interference response at 10% RHS = 2.5 for 823 ppm acetone250 %—Text
Exact Reported		p005 / article p.20217 · NH3 Sensing · Figure S11
Cu3HHTT2-1 H2S interference response at 10% RHS = -8.0 for 3 ppm H2S-800 %—Text
Exact Reported		p005 / article p.20217 · NH3 Sensing · Figure S11
NH3 reversibility in humid environmentstable and reversible at 10% RH for 19 cycles——Caption
Exact Reported		p005 / article p.20217 · NH3 Sensing · Figure 5e; Figure S13
Cu3HHTT2-16 response to 60 ppm NH3 at 10% RHS = -10.3-1030 %—Text
Exact Reported		p005 / article p.20217 · NH3 Sensing · Figure 5c
Cu3HHTT2-1 response to 60 ppm NH3 at 10% RHMarked as a best value within this paperS = -161.6; Table S3 reports 16,100%-16100 %—Text
Exact Reported		p005 / article p.20217 · NH3 Sensing · Figure 5c; Table S3
Cu3HHTT2-4 response to 60 ppm NH3 at 10% RHS = -74.4-7440 %—Text
Exact Reported		p004 / article p.20216 · NH3 Sensing · Figure 5b,c
Cu3HHTT2 NH3 benchmark response magnitudeMarked as a best value within this paper16,100% at 60 ppm NH316100 %—SI Table
Exact Reported		p024 / SI p.24 · Section S5 · Table S3

Dynamic chemiresistive NO2 sensing

Cu3HHTT2-n drop-cast Au-interdigitated electrode sensors · Electrode

Cu3HHTT2-n sensors exposed to 3 ppm NO2 under varying humidity; cyclic tests at 0.25 ppm NO2 under dry and 50% RH for 19 cycles.

Temperature
298
Atmosphere
air with controlled humidity and NO2
Geometry
drop-cast Cu3HHTT2 sensors on Au-interdigitated electrodes
Context
pristine target framework
Measurement source
p005-p006 / article pp.20217-20218 · NO2 Sensing · Figure 6; Figures S15-S21; Table S4
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
NO2 reversibility under high humidityreversibility and response magnitude increase dramatically at 50% RH——Text
Qualitative		p006 / article p.20218 · NO2 Sensing · Figures 6e and S21
Cu3HHTT2-1 response to 3 ppm NO2 at humid conditionMarked as a best value within this paperS = 104.510450 %—Text
Exact Reported		p006 / article p.20218 · NO2 Sensing · Figure 6c
Cu3HHTT2 NO2 benchmark response magnitudeMarked as a best value within this paper10,450% at 3 ppm NO210450 %—SI Table
Exact Reported		p034 / SI p.34 · Section S6 · Table S4