Electrical Transport — Diverse π-π Stacking motifs modulate electrical conductivity in tetrathiafulvalene-based metal-organic frameworks

Measurement evidence

Electrical Transport

Diverse π-π Stacking motifs modulate electrical conductivity in tetrathiafulvalene-based metal-organic frameworks · Xie L.S., Alexandrov E.V., Skorupskii G. et al. · Chemical Science · 2019 · 8558-8565

6 measurement groups · 12 results

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

Two-contact probe pressed-pellet I-V conductivity

Pressed pellet device of compound 1 · Pellet

Ambient atmosphere at 296 K; at least two pellets from five batches; voltage sweep -0.5 to +0.5 V or -1 to +1 V.

Temperature
296
Atmosphere
ambient
Geometry
pressed powder between stainless-steel rods, approximately 200 MPa
Context
pristine framework pellet
Measurement source
S5; S25 · Room temperature conductivity measurements · Fig. S12
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
296 K ambient pressed-pellet average conductivity2.5(7) x 10^-6(7) x 10^-6Text
Rounded Reported
8561 · Electrical conductivity · Fig. 5; Fig. S12
296 K ambient pressed-pellet champion conductivityMarked as a best value within this paper5.4(3) x 10^-6(3) x 10^-6Text
Rounded Reported
8561 · Electrical conductivity · Fig. 5; Fig. S12

Two-contact probe pressed-pellet I-V conductivity

Pressed pellet device of compound 2 · Pellet

Ambient atmosphere at 296 K; at least two pellets from five batches; voltage sweep -0.5 to +0.5 V or -1 to +1 V.

Temperature
296
Atmosphere
ambient
Geometry
pressed powder between stainless-steel rods, approximately 200 MPa
Context
pristine framework pellet
Measurement source
S5; S25 · Room temperature conductivity measurements · Fig. S12
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
296 K ambient pressed-pellet average conductivity9(4) x 10^-7(4) x 10^-7Text
Rounded Reported
8561 · Electrical conductivity · Fig. 5; Fig. S12
296 K ambient pressed-pellet champion conductivity2.7(1) x 10^-6(1) x 10^-6Text
Rounded Reported
8561 · Electrical conductivity · Fig. 5; Fig. S12

Two-contact probe pressed-pellet I-V conductivity

Pressed pellet device of compound 3 · Pellet

Ambient atmosphere at 296 K; at least two pellets from five batches; voltage sweep -0.5 to +0.5 V or -1 to +1 V.

Temperature
296
Atmosphere
ambient
Geometry
pressed powder between stainless-steel rods, approximately 200 MPa
Context
pristine framework pellet
Measurement source
S5; S25 · Room temperature conductivity measurements · Fig. S12
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
296 K ambient pressed-pellet average conductivity1.0(5) x 10^-9(5) x 10^-9Text
Rounded Reported
8561 · Electrical conductivity · Fig. 5; Fig. S12
296 K ambient pressed-pellet champion conductivity3.1(2) x 10^-9(2) x 10^-9Text
Rounded Reported
8561 · Electrical conductivity · Fig. 5; Fig. S12

Variable-temperature two-contact probe pressed-pellet conductivity

Pressed pellet device of compound 1 · Pellet

Dynamic vacuum around 1e-5 Torr; screw cell; 250-350 K for 1 and 2, 295-350 K for 3; Arrhenius analysis.

Temperature
250-350
Atmosphere
dynamic vacuum (~1e-5 Torr)
Geometry
in situ screw cell with Garolite tube and stainless-steel screws, approximately 50 MPa
Context
pristine framework pellet
Measurement source
S5; S27 · Variable temperature conductivity measurements · Fig. S14
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Arrhenius activation energy Ea0.28Text
Rounded Reported
8561 · Electrical conductivity · Fig. 6; Fig. S14
Conductivity response to evacuationconductivity decreased about 1 order of magnitude under vacuumText
Qualitative
8561 · Electrical conductivity · Fig. 6

Variable-temperature two-contact probe pressed-pellet conductivity

Pressed pellet device of compound 2 · Pellet

Dynamic vacuum around 1e-5 Torr; screw cell; 250-350 K for 1 and 2, 295-350 K for 3; Arrhenius analysis.

Temperature
250-350
Atmosphere
dynamic vacuum (~1e-5 Torr)
Geometry
in situ screw cell with Garolite tube and stainless-steel screws, approximately 50 MPa
Context
pristine framework pellet
Measurement source
S5; S27 · Variable temperature conductivity measurements · Fig. S14
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Arrhenius activation energy Ea0.2Text
Rounded Reported
8561 · Electrical conductivity · Fig. 6; Fig. S14
Conductivity response to evacuationconductivity increased slightly under vacuumText
Qualitative
8561 · Electrical conductivity · Fig. 6

Variable-temperature two-contact probe pressed-pellet conductivity

Pressed pellet device of compound 3 · Pellet

Dynamic vacuum around 1e-5 Torr; screw cell; 250-350 K for 1 and 2, 295-350 K for 3; Arrhenius analysis.

Temperature
295-350
Atmosphere
dynamic vacuum (~1e-5 Torr)
Geometry
in situ screw cell with Garolite tube and stainless-steel screws, approximately 50 MPa
Context
pristine framework pellet
Measurement source
S5; S27 · Variable temperature conductivity measurements · Fig. S14
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Arrhenius activation energy Ea0.44Text
Rounded Reported
8561 · Electrical conductivity · Fig. 6; Fig. S14
Conductivity response to evacuationconductivity decreased about 2 orders of magnitude under vacuumText
Qualitative
8561 · Electrical conductivity · Fig. 6