Electrical Transport — A Dual-Ligand Porous Coordination Polymer Chemiresistor with Modulated Conductivity and Porosity

Measurement evidence

Electrical Transport

A Dual-Ligand Porous Coordination Polymer Chemiresistor with Modulated Conductivity and Porosity · Yao M.-S., Zheng J.-J., Wu A.-Q. et al. · Angewandte Chemie - International Edition · 2020 · 172-176

2 measurement groups · 7 results

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

Temperature-dependent I-V and conductivity measurement using Keithley 2602B source meter, two-probe method

Cu3(HHTP)(THQ) powder pellet · Pellet

Powder pellet measured in Ar-filled glove box to avoid humidity and interfering gases; Pt electrodes; temperature-dependent I-V curves.

Atmosphere
Ar
Geometry
Powder pellet with Pt electrodes, two-probe
Context
pristine dual-ligand MOF pellet
Measurement source
174 · Results and discussion · Figure 3b,c
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Thermal activation energyMarked as a best value within this paper0.30 eVText
Rounded Reported
174 · Results and discussion · Figure 3c
Conductivity in air at 35% relative humidityca. 5 x 10^-6 S cm^-1Text
Approximate
174 · Results and discussion · Figure 3b,c
Room-temperature semiconductivity in ArMarked as a best value within this paperapproximately 2.53 x 10^-5 S cm^-1Text
Approximate
174 · Results and discussion · Figure 3b,c
Cu3(HHTP)2 comparator conductivityca. 10^-3 S cm^-1Text
Approximate
174 · Results and discussion
Cu3(THQ)2 comparator conductivityca. 10^-8 S cm^-1Text
Approximate
174 · Results and discussion
I-V contact behaviourlinear and zero drift temperature-dependent I-V curves; good ohmic contactQualitative
Qualitative
174 · Results and discussion · Figure 3b

DC reverse-polarity current versus time method

Cu3(HHTP)(THQ) powder pellet · Pellet

-x V applied first to pellet, then polarity quickly reversed to +x V; x = 1, 2, 3, 4, and 5.

Geometry
Powder pellet
Context
pristine dual-ligand MOF pellet
Measurement source
174 · Results and discussion · Figure 3d
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Dominant charge carrierNo lagging ionic current peak from 1 to 5 V; electronically conductive materialText
Qualitative
174 · Results and discussion · Figure 3d