Electrical Transport — From insulator to semiconductor: effect of host-guest interactions on charge transport in M-MOF-74 metal-organic frameworks

8 measurement groups · 12 results

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

IV/conductivity control measurement

Electrical conductivity

H4TCNQ@Cu-MOF-74 pellet · Pellet

Room-temperature IV curve for H4TCNQ@Cu-MOF-74.

Temperature: room temperature
Atmosphere: argon glovebox, <1 ppm O2 for conductivity method
Geometry: Pressed pellet two-point probe.
Context: Hydrogenated guest control.
Measurement source: S-9 · Conductivity Data · Fig. S6c

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
H4TCNQ@Cu-MOF-74 conductivity	No detectable/practically zero conductivity reported.	—	Detection limit not reported.	Text Qualitative	S-9 · Conductivity Data · Fig. S6

IV/conductivity control measurement

Electrical conductivity

H4TCNQ@Mg-MOF-74 pellet · Pellet

Room-temperature IV curve for H4TCNQ@Mg-MOF-74.

Temperature: room temperature
Atmosphere: argon glovebox, <1 ppm O2 for conductivity method
Geometry: Pressed pellet two-point probe.
Context: Hydrogenated guest closed-shell control.
Measurement source: S-9 · Conductivity Data · Fig. S6a

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
H4TCNQ@Mg-MOF-74 conductivity	No detectable/practically zero conductivity reported.	—	Detection limit not reported.	Caption Qualitative	S-9 · Conductivity Data · Fig. S5

IV/conductivity control measurement

Electrical conductivity

H4TCNQ@Mn-MOF-74 pellet · Pellet

Room-temperature IV curve for H4TCNQ@Mn-MOF-74.

Temperature: room temperature
Atmosphere: argon glovebox, <1 ppm O2 for conductivity method
Geometry: Pressed pellet two-point probe.
Context: Hydrogenated guest control.
Measurement source: S-9 · Conductivity Data · Fig. S6d

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
H4TCNQ@Mn-MOF-74 conductivity	No detectable/practically zero conductivity reported.	—	Detection limit not reported.	Text Qualitative	S-9 · Conductivity Data · Fig. S5

IV/conductivity control measurement

Electrical conductivity

H4TCNQ@Zn-MOF-74 pellet · Pellet

Room-temperature IV curve for H4TCNQ@Zn-MOF-74.

Temperature: room temperature
Atmosphere: argon glovebox, <1 ppm O2 for conductivity method
Geometry: Pressed pellet two-point probe.
Context: Hydrogenated guest closed-shell control.
Measurement source: S-9 · Conductivity Data · Fig. S6b

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
H4TCNQ@Zn-MOF-74 conductivity	No detectable/practically zero conductivity reported.	—	Detection limit not reported.	Caption Qualitative	S-9 · Conductivity Data · Fig. S5

Temperature-dependent two-point probe electrical transport

Electrical conductivity

TCNQ@Cu-MOF-74 pellet · Pellet

Argon-filled glovebox (<1 ppm O2) using Gamry PCI4750-333041 potentiostat; powder pressed into pellet with 3 tons force for 2 min using 50 mg material, 0.5 mm thickness; measured 294-353 K.

Temperature: 294-353
Atmosphere: argon glovebox, <1 ppm O2
Geometry: Two-point probe pellet with large-area electrodes.
Context: TCNQ-loaded conductive Cu-MOF-74.
Measurement source: S-6 · Characterization methods · Fig. S1

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Activation energy for TCNQ@Cu-MOF-74	Activation energy 889.9 meV.	0.8899 eV	—	Text Exact Reported	2701 · Results and discussion · Fig. 3c
Maximum conductivity of TCNQ@Cu-MOF-74Marked as a best value within this paper	Conductivity increased up to 5.40 x 10^-2 S m^-1 from 294 K to 353 K.	0.00054 S cm-1	—	Text Exact Reported	2701 · Results and discussion · Fig. 3
Approximate TCNQ@Cu-MOF-74 current at 353 K and +1 V	Approx. +1.0 microampere at +1 V for the 353 K trace.	0.000001 A	visual estimate from plotted axis	Figure Axis Approximate	2701 · Figure · Fig. 3a

IV/conductivity control measurement

Electrical conductivity

TCNQ@Mg-MOF-74 pellet · Pellet

Room-temperature IV curves shown in Fig. S5; main text also states no detectable conductivity as temperature increased.

Temperature: room temperature; temperature-dependent check reported qualitatively
Atmosphere: argon glovebox, <1 ppm O2 for conductivity method
Geometry: Pressed pellet two-point probe.
Context: TCNQ-loaded Mg-MOF-74 control.
Measurement source: S-9 · Conductivity Data · Fig. S5

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
TCNQ@Mg-MOF-74 conductivity	No detectable/practically zero conductivity reported.	—	Detection limit not reported.	Caption Qualitative	S-9 · Conductivity Data · Fig. S5

Temperature-dependent two-point probe electrical transport

Electrical conductivity

TCNQ@Mn-MOF-74 pellet · Pellet

Same pellet/probe method as Cu; measured 294-353 K.

Temperature: 294-353
Atmosphere: argon glovebox, <1 ppm O2
Geometry: Two-point probe pellet with large-area electrodes.
Context: TCNQ-loaded conductive Mn-MOF-74.
Measurement source: 2700-2701 · Results and discussion · Fig. 3b,d

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Activation energy for TCNQ@Mn-MOF-74	Activation energy 580.7 meV.	0.5807 eV	—	Text Exact Reported	2701 · Results and discussion · Fig. 3d
Maximum conductivity of TCNQ@Mn-MOF-74	Conductivity increased up to 5.02 x 10^-3 S m^-1 from 294 K to 353 K.	0.0000502 S cm-1	—	Text Exact Reported	2701 · Results and discussion · Fig. 3
Approximate TCNQ@Mn-MOF-74 current at 353 K and +1 V	Approx. +0.16 microampere at +1 V for the 353 K trace.	1.6e-7 A	visual estimate from plotted axis	Figure Axis Approximate	2701 · Figure · Fig. 3b

IV/conductivity control measurement

Electrical conductivity

TCNQ@Zn-MOF-74 pellet · Pellet

Room-temperature IV curves shown in Fig. S5; main text also states no detectable conductivity as temperature increased.

Temperature: room temperature; temperature-dependent check reported qualitatively
Atmosphere: argon glovebox, <1 ppm O2 for conductivity method
Geometry: Pressed pellet two-point probe.
Context: TCNQ-loaded Zn-MOF-74 control.
Measurement source: S-9 · Conductivity Data · Fig. S5

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
TCNQ@Zn-MOF-74 conductivity	No detectable/practically zero conductivity reported.	—	Detection limit not reported.	Caption Qualitative	S-9 · Conductivity Data · Fig. S5