cMOF Evidence Base
Electrical Transport — A Highly Proton-Conductive 3D Ionic Cadmium-Organic Framework for Ammonia and Amines Impedance Sensing

Measurement evidence

Electrical Transport

A Highly Proton-Conductive 3D Ionic Cadmium-Organic Framework for Ammonia and Amines Impedance Sensing · Liu R., Liu Y., Yu S. et al. · ACS Applied Materials and Interfaces · 2019 · 1713-1722

3 measurement groups · 59 results

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

Nyquist plot equivalent-circuit fitting

Impedance spectroscopy

MOF 1 cylindrical pellet for proton conductivity · Pellet

Room-temperature impedance plots fitted with R(C(R(Q(R(C(RW)))))); representative fits for MOF 1 and ammonia exposure.

Temperature
298
Atmosphere
98% RH / ammonia conditions
Geometry
pressed pellet, Pt electrodes
Context
pristine MOF 1
Measurement source
S-9-S-10 · Figures S2-S5
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
equivalent circuit fitR(C(R(Q(R(C(RW))))))——Text
Exact Reported		S-9 · Figures S2-S5

AC impedance spectroscopy / proton conductivity

Electrical conductivityImpedance spectroscopy

MOF 1 cylindrical pellet for proton conductivity · Pellet

PARSTAT 2273; AC voltage 100 mV; 0.1-1 MHz; cylindrical pellets with Pt electrodes; equilibrated at RH for 18 h; 25-100 C and 68-98% RH.

Atmosphere
humidified atmosphere at specified RH
Geometry
pressed pellet, Pt electrodes, quasi-four-probe electrochemical cell
Context
pristine MOF 1
Measurement source
1714, 1716 · Section 2.5 and Table 1 · Table 1
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
anhydrous room-temperature proton conductivityno proton-conductive behaviour under anhydrous condition at room temperature——Text
Qualitative		1715 · Section 3.3
proton conductivity at 100 C, 68% RH7.16e-05 S cm-1 at 100 C and 68% RH——Table
Exact Reported		1716 · Section 3.3 · Table 1
proton conductivity at 100 C, 75% RH0.000112 S cm-1 at 100 C and 75% RH——Table
Exact Reported		1716 · Section 3.3 · Table 1
proton conductivity at 100 C, 85% RH0.000302 S cm-1 at 100 C and 85% RH——Table
Exact Reported		1716 · Section 3.3 · Table 1
proton conductivity at 100 C, 93% RH0.000567 S cm-1 at 100 C and 93% RH——Table
Exact Reported		1716 · Section 3.3 · Table 1
proton conductivity at 100 C, 98% RHMarked as a best value within this paper0.00104 S cm-1 at 100 C and 98% RH——Table
Exact Reported		1716 · Section 3.3 · Table 1
proton conductivity at 25 C, 68% RH8.32e-08 S cm-1 at 25 C and 68% RH——Table
Exact Reported		1716 · Section 3.3 · Table 1
proton conductivity at 25 C, 75% RH1.35e-06 S cm-1 at 25 C and 75% RH——Table
Exact Reported		1716 · Section 3.3 · Table 1
proton conductivity at 25 C, 85% RH3.87e-06 S cm-1 at 25 C and 85% RH——Table
Exact Reported		1716 · Section 3.3 · Table 1
proton conductivity at 25 C, 93% RH5.21e-06 S cm-1 at 25 C and 93% RH——Table
Exact Reported		1716 · Section 3.3 · Table 1
proton conductivity at 25 C, 98% RH1.13e-05 S cm-1 at 25 C and 98% RH——Table
Exact Reported		1716 · Section 3.3 · Table 1
proton conductivity at 35 C, 68% RH1.04e-07 S cm-1 at 35 C and 68% RH——Table
Exact Reported		1716 · Section 3.3 · Table 1
proton conductivity at 35 C, 75% RH2.45e-06 S cm-1 at 35 C and 75% RH——Table
Exact Reported		1716 · Section 3.3 · Table 1
proton conductivity at 35 C, 85% RH6.14e-06 S cm-1 at 35 C and 85% RH——Table
Exact Reported		1716 · Section 3.3 · Table 1
proton conductivity at 35 C, 93% RH1.15e-05 S cm-1 at 35 C and 93% RH——Table
Exact Reported		1716 · Section 3.3 · Table 1
proton conductivity at 35 C, 98% RH2.17e-05 S cm-1 at 35 C and 98% RH——Table
Exact Reported		1716 · Section 3.3 · Table 1
proton conductivity at 40 C, 68% RH1.43e-07 S cm-1 at 40 C and 68% RH——Table
Exact Reported		1716 · Section 3.3 · Table 1
proton conductivity at 40 C, 75% RH5.04e-06 S cm-1 at 40 C and 75% RH——Table
Exact Reported		1716 · Section 3.3 · Table 1
proton conductivity at 40 C, 85% RH9.15e-06 S cm-1 at 40 C and 85% RH——Table
Exact Reported		1716 · Section 3.3 · Table 1
proton conductivity at 40 C, 93% RH1.52e-05 S cm-1 at 40 C and 93% RH——Table
Exact Reported		1716 · Section 3.3 · Table 1
proton conductivity at 40 C, 98% RH3.75e-05 S cm-1 at 40 C and 98% RH——Table
Exact Reported		1716 · Section 3.3 · Table 1
proton conductivity at 50 C, 68% RH2.24e-07 S cm-1 at 50 C and 68% RH——Table
Exact Reported		1716 · Section 3.3 · Table 1
proton conductivity at 50 C, 75% RH9.53e-06 S cm-1 at 50 C and 75% RH——Table
Exact Reported		1716 · Section 3.3 · Table 1
proton conductivity at 50 C, 85% RH1.45e-05 S cm-1 at 50 C and 85% RH——Table
Exact Reported		1716 · Section 3.3 · Table 1
proton conductivity at 50 C, 93% RH2.55e-05 S cm-1 at 50 C and 93% RH——Table
Exact Reported		1716 · Section 3.3 · Table 1
proton conductivity at 50 C, 98% RH5.48e-05 S cm-1 at 50 C and 98% RH——Table
Exact Reported		1716 · Section 3.3 · Table 1
proton conductivity at 60 C, 68% RH3.21e-07 S cm-1 at 60 C and 68% RH——Table
Exact Reported		1716 · Section 3.3 · Table 1
proton conductivity at 60 C, 75% RH1.36e-05 S cm-1 at 60 C and 75% RH——Table
Exact Reported		1716 · Section 3.3 · Table 1
proton conductivity at 60 C, 85% RH4.06e-05 S cm-1 at 60 C and 85% RH——Table
Exact Reported		1716 · Section 3.3 · Table 1
proton conductivity at 60 C, 93% RH2.99e-05 S cm-1 at 60 C and 93% RH——Table
Exact Reported		1716 · Section 3.3 · Table 1
proton conductivity at 60 C, 98% RH6.25e-05 S cm-1 at 60 C and 98% RH——Table
Exact Reported		1716 · Section 3.3 · Table 1
proton conductivity at 70 C, 68% RH7.25e-07 S cm-1 at 70 C and 68% RH——Table
Exact Reported		1716 · Section 3.3 · Table 1
proton conductivity at 70 C, 75% RH1.75e-05 S cm-1 at 70 C and 75% RH——Table
Exact Reported		1716 · Section 3.3 · Table 1
proton conductivity at 70 C, 85% RH5.28e-05 S cm-1 at 70 C and 85% RH——Table
Exact Reported		1716 · Section 3.3 · Table 1
proton conductivity at 70 C, 93% RH5.99e-05 S cm-1 at 70 C and 93% RH——Table
Exact Reported		1716 · Section 3.3 · Table 1
proton conductivity at 70 C, 98% RH7.68e-05 S cm-1 at 70 C and 98% RH——Table
Exact Reported		1716 · Section 3.3 · Table 1
proton conductivity at 80 C, 68% RH4.91e-06 S cm-1 at 80 C and 68% RH——Table
Exact Reported		1716 · Section 3.3 · Table 1
proton conductivity at 80 C, 75% RH2.62e-05 S cm-1 at 80 C and 75% RH——Table
Exact Reported		1716 · Section 3.3 · Table 1
proton conductivity at 80 C, 85% RH6.47e-05 S cm-1 at 80 C and 85% RH——Table
Exact Reported		1716 · Section 3.3 · Table 1
proton conductivity at 80 C, 93% RH8.11e-05 S cm-1 at 80 C and 93% RH——Table
Exact Reported		1716 · Section 3.3 · Table 1
proton conductivity at 80 C, 98% RH0.000109 S cm-1 at 80 C and 98% RH——Table
Exact Reported		1716 · Section 3.3 · Table 1
proton conductivity at 85 C, 68% RH9.36e-06 S cm-1 at 85 C and 68% RH——Table
Exact Reported		1716 · Section 3.3 · Table 1
proton conductivity at 85 C, 75% RH3.63e-05 S cm-1 at 85 C and 75% RH——Table
Exact Reported		1716 · Section 3.3 · Table 1
proton conductivity at 85 C, 85% RH8.98e-05 S cm-1 at 85 C and 85% RH——Table
Exact Reported		1716 · Section 3.3 · Table 1
proton conductivity at 85 C, 93% RH0.000124 S cm-1 at 85 C and 93% RH——Table
Exact Reported		1716 · Section 3.3 · Table 1
proton conductivity at 85 C, 98% RH0.000146 S cm-1 at 85 C and 98% RH——Table
Exact Reported		1716 · Section 3.3 · Table 1
proton conductivity at 90 C, 68% RH1.92e-05 S cm-1 at 90 C and 68% RH——Table
Exact Reported		1716 · Section 3.3 · Table 1
proton conductivity at 90 C, 75% RH5.25e-05 S cm-1 at 90 C and 75% RH——Table
Exact Reported		1716 · Section 3.3 · Table 1
proton conductivity at 90 C, 85% RH0.000174 S cm-1 at 90 C and 85% RH——Table
Exact Reported		1716 · Section 3.3 · Table 1
proton conductivity at 90 C, 93% RH0.0003 S cm-1 at 90 C and 93% RH——Table
Exact Reported		1716 · Section 3.3 · Table 1
proton conductivity at 90 C, 98% RH0.000319 S cm-1 at 90 C and 98% RH——Table
Exact Reported		1716 · Section 3.3 · Table 1
proton conductivity at 95 C, 68% RH5.6e-05 S cm-1 at 95 C and 68% RH——Table
Exact Reported		1716 · Section 3.3 · Table 1
proton conductivity at 95 C, 75% RH8.16e-05 S cm-1 at 95 C and 75% RH——Table
Exact Reported		1716 · Section 3.3 · Table 1
proton conductivity at 95 C, 85% RH0.000204 S cm-1 at 95 C and 85% RH——Table
Exact Reported		1716 · Section 3.3 · Table 1
proton conductivity at 95 C, 93% RH0.000392 S cm-1 at 95 C and 93% RH——Table
Exact Reported		1716 · Section 3.3 · Table 1
proton conductivity at 95 C, 98% RH0.000632 S cm-1 at 95 C and 98% RH——Table
Exact Reported		1716 · Section 3.3 · Table 1

Arrhenius activation energy from proton conductivity

Electrical conductivity

MOF 1 cylindrical pellet for proton conductivity · Pellet

Ea from least-squares fits of Arrhenius slopes at 68 and 98% RH.

Atmosphere
68% or 98% RH
Geometry
pressed pellet, Pt electrodes
Context
pristine MOF 1
Measurement source
1716 · Section 3.3 · Figure 4
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
proton-conduction activation energy at 68% RH1.32 eV under 68% RH——Text
Exact Reported		1716 · Section 3.3 · Figure 4
proton-conduction activation energy at 98% RH0.35 eV under 98% RH——Text
Exact Reported		1716 · Section 3.3 · Figure 4