Electrical Transport — Effects of intervalence charge transfer interaction between π-stacked mixed valent tetrathiafulvalene ligands on the electrical conductivity of 3D metal-organic frameworks

8 measurement groups · 20 results

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

two-probe current-voltage (I-V) conductivity on pressed pellets

Electrical conductivity

Cs-MOF 4 · Powder

Ambient 293 K; in-situ pressed pellets from 3.5 mg material at 260 MPa for 1 min; Ag-coated stainless-steel rods; conductivity σ=L/RA; average of 3-5 devices.

Temperature: 293
Atmosphere: ambient
Geometry: pressed pellet between two Ag-coated stainless-steel electrodes in Teflon tube; L≈0.02 cm; A=0.057 cm^2
Context: pristine framework sample state
Measurement source: S3 · General Materials and Methods

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
activation energy of electrical conduction	not reported / dash in Table 2	—	—	Table Qualitative	13385 · Electrical conductivity · Table 2
average electrical conductivity at 293 K	1.3 (±0.3) × 10^-7 S cm^-1	—	±3e-08 S cm^-1	Table Exact Reported	13385 · Electrical conductivity · Table 2/Fig. 8
maximum electrical conductivity at 293 K	1.75e-07 S cm^-1	—	—	Table Exact Reported	13385 · Electrical conductivity · Table 2/Fig. 8

two-probe current-voltage (I-V) conductivity on pressed pellets

Electrical conductivity

K-MOF 2 · Powder

Ambient 293 K; in-situ pressed pellets from 3.5 mg material at 260 MPa for 1 min; Ag-coated stainless-steel rods; conductivity σ=L/RA; average of 3-5 devices.

Temperature: 293
Atmosphere: ambient
Geometry: pressed pellet between two Ag-coated stainless-steel electrodes in Teflon tube; L≈0.02 cm; A=0.057 cm^2
Context: pristine framework sample state
Measurement source: S3 · General Materials and Methods

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
activation energy of electrical conduction	0.18 eV	—	—	Table Exact Reported	13385/13388 · Electrical conductivity · Table 2/Fig. 9
average electrical conductivity at 293 K	1.7 (±0.3) × 10^-5 S cm^-1	—	±3e-06 S cm^-1	Table Exact Reported	13385 · Electrical conductivity · Table 2/Fig. 8
maximum electrical conductivity at 293 K	2.1e-05 S cm^-1	—	—	Table Exact Reported	13385 · Electrical conductivity · Table 2/Fig. 8

two-probe current-voltage (I-V) conductivity on pressed pellets

Electrical conductivity

K-MOF 2-ox · Powder

Ambient 293 K; in-situ pressed pellets from 3.5 mg material at 260 MPa for 1 min; Ag-coated stainless-steel rods; conductivity σ=L/RA; average of 3-5 devices.

Temperature: 293
Atmosphere: ambient
Geometry: pressed pellet between two Ag-coated stainless-steel electrodes in Teflon tube; L≈0.02 cm; A=0.057 cm^2
Context: pristine framework sample state
Measurement source: S3 · General Materials and Methods

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
activation energy of electrical conduction	0.16 eV	—	—	Table Exact Reported	13385/13388 · Electrical conductivity · Table 2/Fig. 9
average electrical conductivity at 293 KMarked as a best value within this paper	6.3 (±0.6) × 10^-5 S cm^-1	—	±6e-06 S cm^-1	Table Exact Reported	13385 · Electrical conductivity · Table 2/Fig. 8
maximum electrical conductivity at 293 KMarked as a best value within this paper	6.6e-05 S cm^-1	—	—	Table Exact Reported	13385 · Electrical conductivity · Table 2/Fig. 8

two-probe I-V on ligand control

Electrical conductivity

TTFTC-H4 ligand · Powder

I-V plots of insulating/poorly conducting free ligands at 293 K.

Temperature: 293
Atmosphere: ambient
Geometry: pressed free-ligand sample/device not fully specified in caption
Context: molecular ligand control
Measurement source: S8 · Fig. S7 · Fig. S7

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
electrical conductivity control	8.5 × 10^-11 S/cm	—	—	Caption Exact Reported	S8 · Fig. S7 · Fig. S7

two-probe I-V on ligand control

Electrical conductivity

TTFTC-Me4 ligand · Powder

I-V plots of insulating/poorly conducting free ligands at 293 K.

Temperature: 293
Atmosphere: ambient
Geometry: pressed free-ligand sample/device not fully specified in caption
Context: molecular ligand control
Measurement source: S8 · Fig. S7 · Fig. S7

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
electrical conductivity control	< 10^-12 S/cm	—	—	Caption Range	S8 · Fig. S7 · Fig. S7

two-probe current-voltage (I-V) conductivity on pressed pellets

Electrical conductivity

Na-MOF 1-ox · Powder

Ambient 293 K; in-situ pressed pellets from 3.5 mg material at 260 MPa for 1 min; Ag-coated stainless-steel rods; conductivity σ=L/RA; average of 3-5 devices.

Temperature: 293
Atmosphere: ambient
Geometry: pressed pellet between two Ag-coated stainless-steel electrodes in Teflon tube; L≈0.02 cm; A=0.057 cm^2
Context: pristine framework sample state
Measurement source: S3 · General Materials and Methods

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
activation energy of electrical conductionMarked as a best value within this paper	0.06 eV	—	—	Table Exact Reported	13385/13388 · Electrical conductivity · Table 2/Fig. 9
average electrical conductivity at 293 K	3.4 (±0.11) × 10^-5 S cm^-1	—	±1.1e-06 S cm^-1	Table Exact Reported	13385 · Electrical conductivity · Table 2/Fig. 8
maximum electrical conductivity at 293 K	3.6e-05 S cm^-1	—	—	Table Exact Reported	13385 · Electrical conductivity · Table 2/Fig. 8

two-probe current-voltage (I-V) conductivity on pressed pellets

Electrical conductivity

Rb-MOF 3 · Powder

Ambient 293 K; in-situ pressed pellets from 3.5 mg material at 260 MPa for 1 min; Ag-coated stainless-steel rods; conductivity σ=L/RA; average of 3-5 devices.

Temperature: 293
Atmosphere: ambient
Geometry: pressed pellet between two Ag-coated stainless-steel electrodes in Teflon tube; L≈0.02 cm; A=0.057 cm^2
Context: pristine framework sample state
Measurement source: S3 · General Materials and Methods

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
activation energy of electrical conduction	0.19 eV	—	—	Table Exact Reported	13385/13388 · Electrical conductivity · Table 2/Fig. 9
average electrical conductivity at 293 K	1.5 (±0.2) × 10^-5 S cm^-1	—	±2e-06 S cm^-1	Table Exact Reported	13385 · Electrical conductivity · Table 2/Fig. 8
maximum electrical conductivity at 293 K	1.7e-05 S cm^-1	—	—	Table Exact Reported	13385 · Electrical conductivity · Table 2/Fig. 8

two-probe current-voltage (I-V) conductivity on pressed pellets

Electrical conductivity

Rb-MOF 3-ox · Powder

Ambient 293 K; in-situ pressed pellets from 3.5 mg material at 260 MPa for 1 min; Ag-coated stainless-steel rods; conductivity σ=L/RA; average of 3-5 devices.

Temperature: 293
Atmosphere: ambient
Geometry: pressed pellet between two Ag-coated stainless-steel electrodes in Teflon tube; L≈0.02 cm; A=0.057 cm^2
Context: pristine framework sample state
Measurement source: S3 · General Materials and Methods

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
activation energy of electrical conduction	0.19 eV	—	—	Table Exact Reported	13385/13388 · Electrical conductivity · Table 2/Fig. 9
average electrical conductivity at 293 K	4.1 (±0.4) × 10^-5 S cm^-1	—	±4e-06 S cm^-1	Table Exact Reported	13385 · Electrical conductivity · Table 2/Fig. 8
maximum electrical conductivity at 293 K	4.7e-05 S cm^-1	—	—	Table Exact Reported	13385 · Electrical conductivity · Table 2/Fig. 8