Electrical Transport — Humidity-Mediated Dual Ionic-Electronic Conductivity Enables High Sensitivity in MOF Chemiresistors

3 measurement groups · 10 results

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

M3HHTP2 and M3HITP2 control sensors · Electrode

Triphenylene-based control cMOF sensors measured from dry to 70% RH.

Temperature: 298
Atmosphere: air, dry to 70% RH
Geometry: drop-coated cMOF films on Au-interdigitated electrodes
Context: pristine control cMOFs
Measurement source: p002 / article p.20214 · Results and Discussion · Figure 2

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Control cMOF humidity response	other cMOF devices show only slight changes in resistance across all RH ranges	—	—	Text Qualitative	p002 / article p.20214 · Results and Discussion · Figure 2

pressed Cu3HHTT2 coin cell · Pellet

VSP-300 BioLogic; single sine 100 mV amplitude; 100 mHz to 350 kHz; 30, 50, and 70% RH; temperatures 25 to 55 C.

Temperature: 298-328
Atmosphere: controlled humidity
Geometry: 1 cm diameter pressed coin cell, side removed for humidity saturation
Context: pristine target framework
Measurement source: p005 / SI p.5 · S1.2 Methods · Figure 3e,f

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
EIS conductivity at 30% RH	2.10 x 10-8 S cm-1	2.1e-8 S/cm	—	Text Exact Reported	p003 / article p.20215 · Results and Discussion · Figure 3e
EIS conductivity at 50% RH	2.40 x 10-8 S cm-1	2.4e-8 S/cm	—	Text Exact Reported	p003 / article p.20215 · Results and Discussion · Figure 3e
EIS conductivity at 70% RHMarked as a best value within this paper	2.54 x 10-8 S cm-1	2.54e-8 S/cm	—	Text Exact Reported	p003 / article p.20215 · Results and Discussion · Figure 3e
Activation energy for proton transport at 30% RH	0.14 eV	0.14 eV	—	Text Exact Reported	p003 / article p.20215 · Results and Discussion · Figure 3f
Activation energy for proton transport at 50% RH	0.29 eV	0.29 eV	—	Text Exact Reported	p003 / article p.20215 · Results and Discussion · Figure 3f
Activation energy for proton transport at 70% RHMarked as a best value within this paper	0.48 eV	0.48 eV	—	Text Exact Reported	p003 / article p.20215 · Results and Discussion · Figure 3f

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

Resistance in air measured from dry to 70% RH using at least 3 sensors; total flow 1000 sccm dry/humid air in homemade flow system.

Temperature: 298
Atmosphere: air, dry to 70% RH
Geometry: drop-cast cMOF films on Au-interdigitated electrodes
Context: pristine target framework with control cMOFs
Measurement source: p002 / article p.20214 · Results and Discussion · Figure 2

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Cu3HHTT2-4 resistance peak under humidity	about 1 x 10^9 ohm near 8-10% RH from Figure 4/5a	—	visual estimate, order-of-magnitude plot	Figure Axis Approximate	p004-p005 / article pp.20216-20217 · Results and Discussion · Figures 4 and 5a
Cu3HHTT2-16 maximum coating thickness	approximately 385 um	—	approximately	Text Approximate	p002 / article p.20214 · Results and Discussion · Figure S6
Cu3HHTT2-4 maximum coating thickness	approximately 113 um	—	approximately	Text Approximate	p002 / article p.20214 · Results and Discussion · Figure S6