Electrical Transport — Guest-Assisted Proton Conduction in the Sulfonic Mesoporous MIL-101 MOF

9 measurement groups · 45 results

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

AC impedance / Nyquist

Impedance spectroscopy

H2SO4(0.1M)@MIL-101(Cr)-NH-(CH2)3SO3H powder · Powder

Hydrated solid equilibrated 24 h; 70% RH; 298-363 K; 1 Hz to 1 MHz; 20 mV.

Temperature: 298-363
Atmosphere: 70% RH
Geometry: powder in home-made sample holder
Context: low-acid guest-loaded target
Measurement source: 3 · Results · Figure 2c; Table 1

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Activation energy	Delta E = 0.3 eV	—	—	Table Exact Reported	3 · Results · Table 1; Figure 3
Proton conductivity at 298 K	1.0 x 10^-4 S cm-1	0.0001 S cm-1	—	Table Exact Reported	3 · Results · Table 1
Proton conductivity at 303 K	1.2 x 10^-4 S cm-1	0.00012 S cm-1	—	Table Exact Reported	3 · Results · Table 1
Proton conductivity at 313 K	1.7 x 10^-4 S cm-1	0.00017 S cm-1	—	Table Exact Reported	3 · Results · Table 1
Proton conductivity at 323 K	2.3 x 10^-4 S cm-1	0.00022999999999999998 S cm-1	—	Table Exact Reported	3 · Results · Table 1
Proton conductivity at 333 K	2.8 x 10^-4 S cm-1	0.00028 S cm-1	—	Table Exact Reported	3 · Results · Table 1
Proton conductivity at 343 K	3.5 x 10^-4 S cm-1	0.00035 S cm-1	—	Table Exact Reported	3 · Results · Table 1
Proton conductivity at 353 K	4.3 x 10^-4 S cm-1	0.00043 S cm-1	—	Table Exact Reported	3 · Results · Table 1
Proton conductivity at 363 K	5.2 x 10^-4 S cm-1	0.0005200000000000001 S cm-1	—	Table Exact Reported	3 · Results · Table 1

AC impedance / Nyquist

Impedance spectroscopy

H2SO4(1M)@MIL-101(Cr)-NH-(CH2)3SO3H powder · Powder

Hydrated solid equilibrated 24 h; 70% RH; 298-363 K; 1 Hz to 1 MHz; 20 mV.

Temperature: 298-363
Atmosphere: 70% RH
Geometry: powder in home-made sample holder
Context: high-acid guest-loaded target
Measurement source: 3 · Results · Figure 2d; Table 1

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Activation energyMarked as a best value within this paper	Delta E = 0.17 eV	—	—	Table Exact Reported	3 · Results · Table 1; Figure 3
Proton conductivity at 298 K	4.8 x 10^-2 S cm-1	0.048 S cm-1	—	Table Exact Reported	3 · Results · Table 1
Proton conductivity at 303 K	5.3 x 10^-2 S cm-1	0.053 S cm-1	—	Table Exact Reported	3 · Results · Table 1
Proton conductivity at 313 K	6.5 x 10^-2 S cm-1	0.065 S cm-1	—	Table Exact Reported	3 · Results · Table 1
Proton conductivity at 323 K	7.8 x 10^-2 S cm-1	0.078 S cm-1	—	Table Exact Reported	3 · Results · Table 1
Proton conductivity at 333 K	9.1 x 10^-2 S cm-1	0.091 S cm-1	—	Table Exact Reported	3 · Results · Table 1
Proton conductivity at 343 K	11.0 x 10^-2 S cm-1	0.11 S cm-1	—	Table Exact Reported	3 · Results · Table 1
Proton conductivity at 353 K	12.0 x 10^-2 S cm-1	0.12 S cm-1	—	Table Exact Reported	3 · Results · Table 1
Proton conductivity at 363 KMarked as a best value within this paper	13.0 x 10^-2 S cm-1	0.13 S cm-1	—	Table Exact Reported	3 · Results · Table 1

AC impedance

Impedance spectroscopy

H2SO4(1M)@MIL-101(Cr)-NH-(CH2)3SO3H powder · Powder

95% RH high-conductivity measurement reported in abstract/conclusion; details otherwise as impedance method.

Temperature: 363
Atmosphere: 95% RH
Geometry: powder in home-made sample holder
Context: high-acid guest-loaded target
Measurement source: 1 · Abstract

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Proton conductivity at 363 K and 95% RHMarked as a best value within this paper	1.3 x 10^-1 S cm-1	0.13 S cm-1	—	Text Exact Reported	1 · Abstract

AC impedance stability

Impedance spectroscopy

H2SO4(1M)@MIL-101(Cr)-NH-(CH2)3SO3H after conductivity measurements · Powder

Conductivity after 4 days under 90 C/95% RH; text reports value and Table S1 confirms post-measurement sample.

Temperature: 363
Atmosphere: 95% RH
Geometry: powder in home-made sample holder
Context: stability sample
Measurement source: 5 · Results · Table S1

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Conductivity after 4 days	1.2 x 10^-2 S cm-1	0.012 S cm-1	—	Text Exact Reported	5 · Results

AC impedance

Impedance spectroscopy

H2SO4(1M)@MIL-101(Cr)-NH-(CH2)3SO3H powder · Powder

Humidity-dependence conductivity at 298 K from 40% to 70% RH.

Temperature: 298
Atmosphere: 40-70% RH
Geometry: powder in home-made sample holder
Context: high-acid guest-loaded target
Measurement source: 8 · Conductivity · Figure S3

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Conductivity at 40% RH, 298 K	about 0.006 S cm-1	0.006 S cm-1	—	Figure Axis Approximate	8 · Conductivity · Figure S3
Conductivity at 50% RH, 298 K	about 0.012 S cm-1	0.012 S cm-1	—	Figure Axis Approximate	8 · Conductivity · Figure S3
Conductivity at 60% RH, 298 K	about 0.028 S cm-1	0.028 S cm-1	—	Figure Axis Approximate	8 · Conductivity · Figure S3
Conductivity at 70% RH, 298 K	about 0.048 S cm-1	0.048 S cm-1	—	Figure Axis Approximate	8 · Conductivity · Figure S3

AC impedance / Nyquist

Impedance spectroscopy

MIL-101(Cr)-NH-(CH2)3SO3H powder · Powder

Hydrated solid equilibrated 24 h; 70% RH; 298-363 K; 1 Hz to 1 MHz; 20 mV.

Temperature: 298-363
Atmosphere: 70% RH
Geometry: powder in home-made sample holder
Context: guest-free target
Measurement source: 3 · Results · Figure 2b; Table 1

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Activation energy	Delta E = 0.26 eV	—	—	Table Exact Reported	3 · Results · Table 1; Figure 3
Proton conductivity at 298 K	0.3 x 10^-4 S cm-1	0.00003 S cm-1	—	Table Exact Reported	3 · Results · Table 1
Proton conductivity at 303 K	0.4 x 10^-4 S cm-1	0.00004 S cm-1	—	Table Exact Reported	3 · Results · Table 1
Proton conductivity at 313 K	0.6 x 10^-4 S cm-1	0.00006 S cm-1	—	Table Exact Reported	3 · Results · Table 1
Proton conductivity at 323 K	0.7 x 10^-4 S cm-1	0.00007 S cm-1	—	Table Exact Reported	3 · Results · Table 1
Proton conductivity at 333 K	0.9 x 10^-4 S cm-1	0.00009 S cm-1	—	Table Exact Reported	3 · Results · Table 1
Proton conductivity at 343 K	1.2 x 10^-4 S cm-1	0.00012 S cm-1	—	Table Exact Reported	3 · Results · Table 1
Proton conductivity at 353 K	1.5 x 10^-4 S cm-1	0.00015000000000000001 S cm-1	—	Table Exact Reported	3 · Results · Table 1
Proton conductivity at 363 K	1.8 x 10^-4 S cm-1	0.00018 S cm-1	—	Table Exact Reported	3 · Results · Table 1

AC impedance / Nyquist

Impedance spectroscopy

MIL-101(Cr)-NH-(CH2)3SO3H powder · Powder

Hydrated solid equilibrated 24 h; 95% RH; 298-363 K; 1 Hz to 1 MHz; 20 mV.

Temperature: 298-363
Atmosphere: 95% RH
Geometry: powder in home-made sample holder
Context: guest-free target
Measurement source: 3 · Results · Figure 2a; Table 1

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Activation energy	Delta E = 0.26 eV	—	—	Table Exact Reported	3 · Results · Table 1; Figure 3
Proton conductivity at 298 K	1.1 x 10^-3 S cm-1	0.0011 S cm-1	—	Table Exact Reported	3 · Results · Table 1
Proton conductivity at 303 K	1.3 x 10^-3 S cm-1	0.0013000000000000002 S cm-1	—	Table Exact Reported	3 · Results · Table 1
Proton conductivity at 313 K	1.7 x 10^-3 S cm-1	0.0017 S cm-1	—	Table Exact Reported	3 · Results · Table 1
Proton conductivity at 323 K	2.2 x 10^-3 S cm-1	0.0022 S cm-1	—	Table Exact Reported	3 · Results · Table 1
Proton conductivity at 333 K	2.9 x 10^-3 S cm-1	0.0029 S cm-1	—	Table Exact Reported	3 · Results · Table 1
Proton conductivity at 343 K	3.7 x 10^-3 S cm-1	0.0037 S cm-1	—	Table Exact Reported	3 · Results · Table 1
Proton conductivity at 353 K	4.4 x 10^-3 S cm-1	0.0044 S cm-1	—	Table Exact Reported	3 · Results · Table 1
Proton conductivity at 363 K	4.8 x 10^-3 S cm-1	0.0048 S cm-1	—	Table Exact Reported	3 · Results · Table 1

AC impedance / Bode conductivity

Electrical conductivity Impedance spectroscopy

Anhydrous MIL-101(Cr)-NH-(CH2)3SO3H powder · Powder

Anhydrous sample after in situ heating at 383 K overnight; frequency 1 Hz to 1 MHz; 20 mV ac voltage.

Temperature: 298-383
Atmosphere: anhydrous
Geometry: powder in home-made sample holder
Context: guest-free dry target
Measurement source: 5 · Characterization · Figure S1

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Anhydrous electrical behaviour	absence of dc plateau; insulating behaviour	—	—	Text Qualitative	2-3 · Results · Figure S1

AC impedance

Impedance spectroscopy

Washed H2SO4(1M)@MIL-101(Cr)-NH-(CH2)3SO3H powder · Powder

Washed sample conductivity compared with parent in same T/RH operating conditions; reported as 298 K/95% RH in text but inconsistent with Table 1.

Temperature: 298
Atmosphere: 95% RH
Geometry: powder in home-made sample holder
Context: recovered guest-free sample
Measurement source: 5 · Results

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Parent comparison conductivity	4.8 x 10^-3 S cm-1	0.0048 S cm-1	—	Text Exact Reported	5 · Results
Washed-sample conductivity	4.3 x 10^-3 S cm-1	0.0043 S cm-1	—	Text Exact Reported	5 · Results