Electrical Transport — Ultra-Stable Metal-Organic Framework with Concurrent High Proton Conductivity and Fluorescence Sensing for Nitrobenzene

Measurement evidence

Electrical Transport

Ultra-Stable Metal-Organic Framework with Concurrent High Proton Conductivity and Fluorescence Sensing for Nitrobenzene · Lu Y.-B., Liao Y.-Q., Dong L. et al. · Chemistry of Materials · 2021 · 7858-7868

4 measurement groups · 12 results

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

Arrhenius fit of temperature-variable proton conductance

compressed microcrystalline pellet of compound 1 · Pellet

100% RH; 30-70 °C conductivity data fitted to sigma*T = A exp(Ea/kBT)

Temperature
303-343
Atmosphere
100% RH
Geometry
compressed MOF pellet
Context
pristine MOF pellet
Measurement source
p005 / 7862 · Proton Conduction · Figure 4d
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
activation energy for proton conduction0.34 eVText
Rounded Reported
p005 / 7862 · Proton Conduction · Figure 4d

quasi-four-electrode AC impedance; Solartron 1260 impedance/gain-phase analyser; conductivity from Debye semicircle in Nyquist plot

compressed microcrystalline pellet of compound 1 · Pellet

30 °C; RH varied from 60% to 100%; compact pellet contacted with gold wires and gold paste

Temperature
303
Atmosphere
controlled humid atmosphere, 60-100% RH
Geometry
1.19 mm thick, 2.5 mm diameter compressed pellet; gold-wire contacts
Context
pristine MOF pellet under water-assisted conditions
Measurement source
SI p005-p006 · Table S2 · Table S2; Figure 4a,b
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
proton conductivity at 30 °C and 100% RH3.47 x 10^-3SI Table
Exact Reported
SI p006 · Table S2 · Table S2
proton conductivity at 30 °C and 60% RH1.93 x 10^-7SI Table
Exact Reported
SI p006 · Table S2 · Table S2
proton conductivity at 30 °C and 70% RH4.55 x 10^-6SI Table
Exact Reported
SI p006 · Table S2 · Table S2
proton conductivity at 30 °C and 80% RH1.03 x 10^-4SI Table
Exact Reported
SI p006 · Table S2 · Table S2
proton conductivity at 30 °C and 90% RH1.39 x 10^-3SI Table
Exact Reported
SI p006 · Table S2 · Table S2

quasi-four-electrode AC impedance; Solartron 1260 impedance/gain-phase analyser; conductivity from Debye semicircle in Nyquist plot

compressed microcrystalline pellet of compound 1 · Pellet

100% RH; temperature varied from 30 to 70 °C; compact pellet contacted with gold wires and gold paste

Atmosphere
100% RH
Geometry
1.19 mm thick, 2.5 mm diameter compressed pellet; gold-wire contacts
Context
pristine MOF pellet under water-assisted conditions
Measurement source
SI p006 · Table S3 · Table S3; Figure 4c,d
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
proton conductivity at 100% RH and 30 °C3.47 x 10^-3SI Table
Exact Reported
SI p006 · Table S3 · Table S3
proton conductivity at 100% RH and 40 °C4.99 x 10^-3SI Table
Exact Reported
SI p006 · Table S3 · Table S3
proton conductivity at 100% RH and 50 °C6.54 x 10^-3SI Table
Exact Reported
SI p006 · Table S3 · Table S3
proton conductivity at 100% RH and 60 °C9.24 x 10^-3SI Table
Exact Reported
SI p006 · Table S3 · Table S3
maximum reported proton conductivity at 100% RH and 70 °CMarked as a best value within this paper1.33 x 10^-2SI Table
Exact Reported
SI p006 · Table S3 · Table S3

time-dependent proton conductivity measurement

compressed microcrystalline pellet of compound 1 · Pellet

70 °C and 100% RH for 8 h

Temperature
343
Atmosphere
100% RH
Geometry
compressed MOF pellet
Context
pristine MOF pellet
Measurement source
p005-p006 / 7862-7863 · Proton Conduction · Figure 5a
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
conductivity stability over 8 hNo significant loss after 8 h at 70 °C and 100% RHText
Qualitative
p005-p006 / 7862-7863 · Proton Conduction · Figure 5a