Electrical Transport — 2D conjugated metal-organic framework as a proton-electron dual conductor

6 measurement groups · 22 results

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

Electrical conductivity and EIS proton-conductivity control measurements

Electrical conductivity Impedance spectroscopy

Cu-HHTP control pellet · Pellet

Cu-HHTP control at 293 K under 30% and 95% RH for proton conductivity.

Temperature: 293
Atmosphere: 30% RH and 95% RH
Geometry: Pellet geometry not further specified.
Context: Pristine Cu-HHTP control without axial ligands.
Measurement source: main p.6 / article p.148 · Results and discussion - Proton-electron dual conductivity of Zn-HHTP-H2O · Figure S14

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Cu-HHTP electrical conductivity	7.9 x 10-3 S cm-1	—	—	Text Exact Reported	main p.6 / article p.148 · Results and discussion - Proton-electron dual conductivity of Zn-HHTP-H2O · Figure S14
Cu-HHTP proton conductivity	No measurable proton conductivity at 293 K under both 30% and 95% RH	—	—	Text Qualitative	main p.6 / article p.148 · Results and discussion - Proton-electron dual conductivity of Zn-HHTP-H2O · Figure S14

Four-point electrical conductivity and EIS proton conductivity

Electrical conductivity Impedance spectroscopy

EG-treated Zn-HHTP-H2O control pellet · Pellet

EG-treated control measured under ambient conditions, 293 K and 30% RH.

Temperature: 293
Atmosphere: 30% RH
Geometry: Pressed pellet.
Context: Ethylene-glycol control.
Measurement source: main p.9 / article p.150 · Results and discussion - Proton-electron dual conductivity of Zn-HHTP-urea · Figure S23

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
EG control electrical conductivity at 293 K and 30% RH	3.6 x 10-2 S cm-1	—	—	Text Exact Reported	main p.9 / article p.150 · Results and discussion - Proton-electron dual conductivity of Zn-HHTP-urea · Figure S23
EG control proton conductivity at 293 K and 30% RH	6.8 x 10-7 S cm-1	—	—	Text Exact Reported	main p.9 / article p.150 · Results and discussion - Proton-electron dual conductivity of Zn-HHTP-urea · Figure S23

Four-point probe electrical conductivity

Electrical conductivity

Pressed Zn-HHTP-H2O pellet · Pellet

Pressed pellet; ambient 293 K 30% RH, 95% RH, and 343 K 95% RH; temperature-dependent conductivity under vacuum for activation energy.

Temperature: 293-343
Atmosphere: 30% RH, 95% RH and vacuum depending on experiment
Geometry: 5 mm pressed pellet; four-point probe.
Context: Pristine framework pellet.
Measurement source: main p.5-p.6 / article p.146-p.147 · Results and discussion - Proton-electron dual conductivity of Zn-HHTP-H2O · Figure 3A-B; Table 1

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Electrical conductivity at 293 K and 30% RH	(4.6 +/- 0.4) x 10-2 S cm-1	—	+/- 0.4 x 10-2 S cm-1	Table Exact Reported	main p.9 / article p.150 · Results and discussion - Table 1 · Table 1
Electrical conductivity at 293 K and 95% RH	(1.8 +/- 0.2) x 10-2 S cm-1	—	+/- 0.2 x 10-2 S cm-1	Table Exact Reported	main p.9 / article p.150 · Results and discussion - Table 1 · Table 1
Electrical conductivity at 343 K and 95% RHMarked as a best value within this paper	(4.5 +/- 0.9) x 10-2 S cm-1	—	+/- 0.9 x 10-2 S cm-1	Table Exact Reported	main p.9 / article p.150 · Results and discussion - Table 1 · Table 1
Electrical transport activation energy	Ea = 0.14 eV	—	—	Text Exact Reported	main p.6 / article p.147 · Results and discussion - Proton-electron dual conductivity of Zn-HHTP-H2O · Figure 3B

AC electrochemical impedance spectroscopy proton conductivity

Electrical conductivity Impedance spectroscopy

Pressed Zn-HHTP-H2O pellet · Pellet

Pressed pellet; two-point probe method and blocking electrode method; 293 K N2, 30% RH, 95% RH and temperature-dependent 95% RH to 343 K.

Temperature: 293-343
Atmosphere: N2 flow, 30% RH, and 95% RH depending on experiment
Geometry: Pressed pellet; gold-tungsten two-point probes or stainless-steel blocking electrodes.
Context: Pristine framework pellet.
Measurement source: main p.6 / article p.147-p.148 · Results and discussion - Proton-electron dual conductivity of Zn-HHTP-H2O · Figure 3C-D; Figures S11-S12; Table 1

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Blocking-electrode activation energy	Ea = 0.48 eV	—	—	Text Exact Reported	main p.6 / article p.148 · Results and discussion - Proton-electron dual conductivity of Zn-HHTP-H2O · Figure S12
Blocking-electrode proton conductivity	2.7 x 10-5 S cm-1	—	—	Text Exact Reported	main p.6 / article p.148 · Results and discussion - Proton-electron dual conductivity of Zn-HHTP-H2O · Figure S12
Proton conductivity at 293 K and 30% RH	(6.9 +/- 1.7) x 10-7 S cm-1	—	+/- 1.7 x 10-7 S cm-1	Table Exact Reported	main p.9 / article p.150 · Results and discussion - Table 1 · Table 1
Proton conductivity at 293 K and 95% RH	(1.1 +/- 0.3) x 10-6 S cm-1	—	+/- 0.3 x 10-6 S cm-1	Table Exact Reported	main p.9 / article p.150 · Results and discussion - Table 1 · Table 1
Proton conductivity at 343 K and 95% RHMarked as a best value within this paper	(1.6 +/- 0.6) x 10-5 S cm-1	—	+/- 0.6 x 10-5 S cm-1	Table Exact Reported	main p.9 / article p.150 · Results and discussion - Table 1 · Table 1
Proton transport activation energy	Ea = 0.52 eV	—	—	Text Exact Reported	main p.6 / article p.148 · Results and discussion - Proton-electron dual conductivity of Zn-HHTP-H2O · Figure 3D
Proton conductivity under nitrogen atmosphere	1.5 x 10-7 S cm-1	—	—	Text Exact Reported	main p.6 / article p.148 · Results and discussion - Proton-electron dual conductivity of Zn-HHTP-H2O · Figure 3C

Four-point probe electrical conductivity

Electrical conductivity

Pressed Zn-HHTP-urea pellet · Pellet

Pressed pellet; ambient 293 K 30% RH, 293 K 95% RH, and 343 K 95% RH.

Temperature: 293-343
Atmosphere: 30% RH and 95% RH
Geometry: 5 mm pressed pellet; four-point probe.
Context: Urea-functionalised framework pellet.
Measurement source: main p.9 / article p.150 · Results and discussion - Proton-electron dual conductivity of Zn-HHTP-urea · Figure 4E; Table 1

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Electrical conductivity at 293 K and 30% RH	(5.8 +/- 1.6) x 10-3 S cm-1	—	+/- 1.6 x 10-3 S cm-1	Table Exact Reported	main p.9 / article p.150 · Results and discussion - Table 1 · Table 1
Electrical conductivity at 293 K and 95% RH	(1.6 +/- 0.5) x 10-3 S cm-1	—	+/- 0.5 x 10-3 S cm-1	Table Exact Reported	main p.9 / article p.150 · Results and discussion - Table 1 · Table 1
Electrical conductivity at 343 K and 95% RHMarked as a best value within this paper	(1.7 +/- 0.7) x 10-2 S cm-1	—	+/- 0.7 x 10-2 S cm-1	Table Exact Reported	main p.9 / article p.150 · Results and discussion - Table 1 · Table 1

AC electrochemical impedance spectroscopy proton conductivity

Electrical conductivity Impedance spectroscopy

Pressed Zn-HHTP-urea pellet · Pellet

Pressed pellet; 293 K 30% RH, 293 K 95% RH and temperature-dependent 95% RH up to 343 K.

Temperature: 293-343
Atmosphere: 30% RH and 95% RH
Geometry: Pressed pellet; EIS.
Context: Urea-functionalised framework pellet.
Measurement source: main p.9 / article p.150 · Results and discussion - Proton-electron dual conductivity of Zn-HHTP-urea · Figure 4F-G; Figure S24; Table 1

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Proton conductivity at 293 K and 30% RH	(6.5 +/- 0.8) x 10-7 S cm-1	—	+/- 0.8 x 10-7 S cm-1	Table Exact Reported	main p.9 / article p.150 · Results and discussion - Table 1 · Table 1
Proton conductivity at 293 K and 95% RH	(1.5 +/- 0.9) x 10-5 S cm-1	—	+/- 0.9 x 10-5 S cm-1	Table Exact Reported	main p.9 / article p.150 · Results and discussion - Table 1 · Table 1
Proton conductivity at 343 K and 95% RHMarked as a best value within this paper	(1.0 +/- 0.4) x 10-4 S cm-1	—	+/- 0.4 x 10-4 S cm-1	Table Exact Reported	main p.9 / article p.150 · Results and discussion - Table 1 · Table 1
Proton transport activation energy	Ea = 0.38 eV	—	—	Text Exact Reported	main p.9 / article p.150 · Results and discussion - Proton-electron dual conductivity of Zn-HHTP-urea · Figure 4G