Electrical Transport — Sensitive humidity sensors based on ionically conductive metal-organic frameworks for breath monitoring and non-contact sensing

Measurement evidence

Electrical Transport

Sensitive humidity sensors based on ionically conductive metal-organic frameworks for breath monitoring and non-contact sensing · Zhang S., Li L., Lu Y. et al. · Applied Materials Today · 2022 · 101391

2 measurement groups · 4 results

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

Electrochemical impedance spectroscopy (EIS)

Impedance spectroscopy

IC-Mg2(dobdc) humidity sensor · Electrode

EIS curves under different RH conditions from 20 Hz to 100 KHz.

Atmosphere: Different relative humidity conditions
Geometry: Thin-film humidity sensor
Context: Pristine Mg2(dobdc) IC-MOF film
Measurement source: SI text line 52 · Supporting Information · Figure S11

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
EIS upper frequency	100 KHz	—	—	Caption Exact Reported	SI p.13 · Supporting Information · Figure S11
EIS lower frequency	20 Hz	—	—	Caption Exact Reported	SI p.13 · Supporting Information · Figure S11
EIS confirmation of ionic conductivity	Ionic conductivity confirmed by EIS curves under different RH	—	—	Text Qualitative	main p.3, article p.3 · Results and discussion · Figure S11

Current-time curve under direct voltage

IC-Mg2(dobdc) humidity sensor · Electrode

Direct-voltage I-t response used to identify ionic conduction behaviour.

Geometry: Capacitive humidity-sensor electrode
Context: Pristine Mg2(dobdc) IC-MOF film
Measurement source: main p.3, article p.3 · Results and discussion · Fig. 2b

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
I-t evidence for ionic conduction	Current decreases within seconds under direct voltage; typical ionic conduction characteristic	—	—	Text Qualitative	main p.3, article p.3 · Results and discussion · Fig. 2b