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

Measurement evidence

Porosity

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 · 3 results

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

N2 adsorption-desorption; BET analysis

Cu3HHTT2 powder · Powder

Samples degassed at 120 C overnight; N2 isotherm collected at 77 K using Micromeritics ASAP 2020.

Temperature
77
Atmosphere
N2
Context
pristine target framework
Measurement source
p004 / SI p.4 · S1.2 Methods · Figure S3
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
BET surface area672 +/- 12 m2 g-1672 m2/g+/- 12 m2/gCaption
Exact Reported
p010 / SI p.10 · Section S3 · Figure S3
Pore volume0.552 cm3/g0.552 cm3/gCaption
Exact Reported
p010 / SI p.10 · Section S3 · Figure S3

Water vapour adsorption-desorption

Cu3HHTT2 powder · Powder

After N2 adsorption, analysing tube transferred to constant-temperature water bath and water isotherm collected at 25 C.

Temperature
298
Atmosphere
water vapour
Context
pristine target framework
Measurement source
p004 / SI p.4 · S1.2 Methods · Figure 3b
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Water uptake transition humiditysteep slope below 25% RH; shallower uptake corresponding to pore condensation above this humidity levelbelow/above thresholdText
Approximate
p003 / article p.20215 · Results and Discussion · Figure 3b