cMOF Evidence Base
Electrical Transport — Electrically conductive [Fe4S4]-based organometallic polymers

Measurement evidence

Electrical Transport

Electrically conductive [Fe4S4]-based organometallic polymers · Kadota K., Chen T., Gormley E.L. et al. · Chemical Science · 2023 · 11410-11416

3 measurement groups · 9 results

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

Linear sweep voltammetry / two-contact pressed-pellet conductivity

Electrical conductivityVoltammetry

[Fe4S4Cl2(Me-NHC)] (1) pressed pellet for two-contact conductivity · Pellet

DC current-voltage curves collected at 10 mV s-1 with GAMRY Interface 5000E; 25 C under N2.

Temperature
298
Atmosphere
N2
Geometry
two-contact pressed pellet
Context
pristine target polymer
Measurement source
4 · Electronic properties · Fig. 3b; Table S1
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Electronic conductivity of 1 at 25 CMarked as a best value within this paper1.0 mS cm-10.001 S cm-1—Text
Exact Reported		4 · Electronic properties · Fig. 3b; Table S1
Electronic conductivity of 1 at room temperature from Table S11.0x10-3 S cm-10.001 S cm-1—SI Table
Exact Reported		S8 · Table S1 · Table S1

Two-contact pressed-pellet conductivity

Electrical conductivity

(PPh4)2(Fe4S4Cl4) pressed-pellet control · Pellet

Room-temperature pressed-pellet method, reported as this-work control in Table S1.

Temperature
298
Atmosphere
N2
Geometry
two-contact pressed pellet
Context
discrete [Fe4S4] molecular control
Measurement source
S8 · Table S1 · Table S1
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Electronic conductivity of (PPh4)2(Fe4S4Cl4)1.0x10-10 S cm-11e-10 S cm-1—SI Table
Exact Reported		S8 · Table S1 · Table S1

Variable-temperature four-contact pressed-pellet electrical conductivity

Electrical conductivity

[Fe4S4Cl2(Me-NHC)] (1) rectangular pellet for four-contact VT conductivity · Pellet

PPMS measurement under vacuum; AC resistance every 1 K; cooling/heating rate 3 K min-1; analysed by Mott 3D VRH and Arrhenius fits.

Temperature
205-300
Atmosphere
vacuum
Geometry
four-contact rectangular pressed pellet on sapphire/ETO puck
Context
pristine target polymer
Measurement source
5 · Electronic properties · Fig. 4b and Fig. S19
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Arrhenius activation energy EaMarked as a best value within this paper0.12 eV——Text
Exact Reported		5 · Electronic properties · Fig. S19; Table S3
Conductivity listed with activation energy comparison1.0 mS cm-10.001 S cm-1—SI Table
Exact Reported		S19 · Table S3 · Table S3
3D Mott VRH fit coefficient of determinationMarked as a best value within this paperR2 = 0.9993——Text
Exact Reported		5 · Electronic properties · Fig. 4b
VT conductivity temperature range205-300 K—range upper bound 300 KText
Range		5 · Electronic properties · Fig. 4b
Approximate conductivity near 205 K from Fig. 4bapproximately 0.18 mS cm-1 at 205 K0.00018 S cm-1visual estimate from plotted axisVisual Estimate
Approximate		5 · Electronic properties · Fig. 4b
Approximate conductivity near 300 K from Fig. 4bapproximately 1.8 mS cm-1 at 300 K0.0018 S cm-1visual estimate from plotted axisVisual Estimate
Approximate		5 · Electronic properties · Fig. 4b