cMOF Evidence Base
Electrical Transport — The Advent of Electrically Conducting Double-Helical Metal-Organic Frameworks Featuring Butterfly-Shaped Electron-Rich π-Extended Tetrathiafulvalene Ligands

Measurement evidence

Electrical Transport

The Advent of Electrically Conducting Double-Helical Metal-Organic Frameworks Featuring Butterfly-Shaped Electron-Rich π-Extended Tetrathiafulvalene Ligands · Gordillo M.A., Benavides P.A., Panda D.K. et al. · ACS Applied Materials and Interfaces · 2020 · 12955-12961

9 measurement groups · 12 results

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

Direct-current (dc) sweep

1 pressed MOF pellet · Pellet

In situ pressed MOF pellet between two stainless-steel electrodes coated with conductive Ag; I-V sweep between -1 and +1 V; SI: Keithley 2400, ambient, -1 to +1 V; conductivity sigma = L/RA, pellet radius 1.35 mm

Atmosphere
ambient
Geometry
2.5 mg in situ pressed pellet in 2.7 mm ID Teflon tube between two stainless-steel rods; conductive carbon ink or Ag-coated rod tips; pressed at 200 MPa; thickness ca. 0.2 mm; pellet radius 1.35 mm
Context
pristine control
Measurement source
S-2 to S-4 · General Materials and Methods; Electrical Conductivity Measurements on MOF Pellets · Table 1; Figure S3
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Electrical conductivity of 1 by dc sweep, Ag electrodes1.9 x 10-8 S/m1.9e-8 S/m—Table
Exact Reported		5 · Electrical Conductivity · Table 1

Direct-current (dc) sweep

1a pressed MOF pellet · Pellet

Iodine-treated washed 1a pellet between Ag-coated stainless-steel electrodes; I-V sweep between -1 and +1 V; SI: Keithley 2400, ambient, -1 to +1 V; conductivity sigma = L/RA, pellet radius 1.35 mm

Atmosphere
ambient
Geometry
2.5 mg in situ pressed pellet in 2.7 mm ID Teflon tube between two stainless-steel rods; conductive carbon ink or Ag-coated rod tips; pressed at 200 MPa; thickness ca. 0.2 mm; pellet radius 1.35 mm
Context
iodine-treated target compared with pristine 1
Measurement source
S-2 to S-4 · General Materials and Methods; Electrical Conductivity Measurements on MOF Pellets · Table 1; Figure S3
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Electrical conductivity of 1a by dc sweep, Ag electrodes2.4 x 10-7 S/m2.4e-7 S/m—Table
Exact Reported		5 · Electrical Conductivity · Table 1

Direct-current (dc) sweep

1b pressed MOF pellet · Pellet

Iodine-treated unwashed 1b pellet between Ag-coated stainless-steel electrodes; I-V sweep between -1 and +1 V; SI: Keithley 2400, ambient, -1 to +1 V; conductivity sigma = L/RA, pellet radius 1.35 mm

Atmosphere
ambient
Geometry
2.5 mg in situ pressed pellet in 2.7 mm ID Teflon tube between two stainless-steel rods; conductive carbon ink or Ag-coated rod tips; pressed at 200 MPa; thickness ca. 0.2 mm; pellet radius 1.35 mm
Context
iodine guest-loaded target compared with pristine 1
Measurement source
S-2 to S-4 · General Materials and Methods; Electrical Conductivity Measurements on MOF Pellets · Table 1; Figure S3
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Electrical conductivity of 1b by dc sweep, Ag electrodes2.6 x 10-4 S/m0.00026 S/m—Table
Exact Reported		5 · Electrical Conductivity · Table 1
Conductivity enhancement of 1b over pristine 110^4-fold improvement——Text
Approximate		2 · Introduction / Results summary

Direct-current (dc) sweep

1 pressed MOF pellet · Pellet

In situ pressed MOF pellet between two stainless-steel electrodes coated with conductive C; I-V sweep between -1 and +1 V; SI: Keithley 2400, ambient, -1 to +1 V; conductivity sigma = L/RA, pellet radius 1.35 mm

Atmosphere
ambient
Geometry
2.5 mg in situ pressed pellet in 2.7 mm ID Teflon tube between two stainless-steel rods; conductive carbon ink or Ag-coated rod tips; pressed at 200 MPa; thickness ca. 0.2 mm; pellet radius 1.35 mm
Context
pristine control
Measurement source
S-2 to S-4 · General Materials and Methods; Electrical Conductivity Measurements on MOF Pellets · Table 1; Figure S3
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Electrical conductivity of 1 by dc sweep, conductive-C electrodes3.0 x 10-8 S/m3e-8 S/m—Table
Exact Reported		5 · Electrical Conductivity · Table 1

Direct-current (dc) sweep

1a pressed MOF pellet · Pellet

Iodine-treated washed 1a pellet between conductive-C-coated stainless-steel electrodes; I-V sweep between -1 and +1 V; SI: Keithley 2400, ambient, -1 to +1 V; conductivity sigma = L/RA, pellet radius 1.35 mm

Atmosphere
ambient
Geometry
2.5 mg in situ pressed pellet in 2.7 mm ID Teflon tube between two stainless-steel rods; conductive carbon ink or Ag-coated rod tips; pressed at 200 MPa; thickness ca. 0.2 mm; pellet radius 1.35 mm
Context
iodine-treated target compared with pristine 1
Measurement source
S-2 to S-4 · General Materials and Methods; Electrical Conductivity Measurements on MOF Pellets · Table 1; Figure S3
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Electrical conductivity of 1a by dc sweep, conductive-C electrodes1.3 x 10-6 S/m0.0000013 S/m—Table
Exact Reported		5 · Electrical Conductivity · Table 1

Direct-current (dc) sweep

1b pressed MOF pellet · Pellet

Iodine-treated unwashed 1b pellet between conductive-C-coated stainless-steel electrodes; I-V sweep between -1 and +1 V; SI: Keithley 2400, ambient, -1 to +1 V; conductivity sigma = L/RA, pellet radius 1.35 mm

Atmosphere
ambient
Geometry
2.5 mg in situ pressed pellet in 2.7 mm ID Teflon tube between two stainless-steel rods; conductive carbon ink or Ag-coated rod tips; pressed at 200 MPa; thickness ca. 0.2 mm; pellet radius 1.35 mm
Context
iodine guest-loaded target compared with pristine 1
Measurement source
S-2 to S-4 · General Materials and Methods; Electrical Conductivity Measurements on MOF Pellets · Table 1; Figure S3
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Electrical conductivity of 1b by dc sweep, conductive-C electrodesMarked as a best value within this paper3.2 x 10-4 S/m0.00032 S/m—Table
Exact Reported		5 · Electrical Conductivity · Table 1
Ohmic I-V behaviourAll three materials displayed linear current-voltage profiles between -1 and +1 V——Text
Qualitative		4-5 · Electrical Conductivity · Figure 6

Electrochemical impedance spectroscopy (EIS)

Impedance spectroscopy

1 pressed MOF pellet · Pellet

Pressed MOF pellet between Ag-coated stainless-steel electrodes; Nyquist plot analysis in Figure S3; SI: VersaSTAT 3, ambient, 10^6 to 10^-1 Hz, 1000 mV ac perturbation, ZSimpWIN fitting; sigma = L/RA

Atmosphere
ambient
Geometry
2.5 mg in situ pressed pellet in 2.7 mm ID Teflon tube between two stainless-steel rods; conductive carbon ink or Ag-coated rod tips; pressed at 200 MPa; thickness ca. 0.2 mm; pellet radius 1.35 mm
Context
pristine control
Measurement source
S-2 to S-4 · General Materials and Methods; Electrical Conductivity Measurements on MOF Pellets · Table 1; Figure S3
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Electrical conductivity of 1 by EIS, Ag electrodes2.5 x 10-8 S/m2.5e-8 S/m—Table
Exact Reported		5 · Electrical Conductivity · Table 1

Electrochemical impedance spectroscopy (EIS)

Impedance spectroscopy

1a pressed MOF pellet · Pellet

Iodine-treated washed 1a pellet between Ag-coated stainless-steel electrodes; Nyquist plot analysis in Figure S3; SI: VersaSTAT 3, ambient, 10^6 to 10^-1 Hz, 1000 mV ac perturbation, ZSimpWIN fitting; sigma = L/RA

Atmosphere
ambient
Geometry
2.5 mg in situ pressed pellet in 2.7 mm ID Teflon tube between two stainless-steel rods; conductive carbon ink or Ag-coated rod tips; pressed at 200 MPa; thickness ca. 0.2 mm; pellet radius 1.35 mm
Context
iodine-treated target compared with pristine 1
Measurement source
S-2 to S-4 · General Materials and Methods; Electrical Conductivity Measurements on MOF Pellets · Table 1; Figure S3
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Electrical conductivity of 1a by EIS, Ag electrodesMarked as a best value within this paper1.8 x 10-6 S/m0.0000018 S/m—Table
Exact Reported		5 · Electrical Conductivity · Table 1
Conductivity enhancement of 1a over pristine 1~100-fold conductivity enhancement——Text
Approximate		5 · Electrical Conductivity

Electrochemical impedance spectroscopy (EIS)

Impedance spectroscopy

1b pressed MOF pellet · Pellet

Iodine-treated unwashed 1b pellet between Ag-coated stainless-steel electrodes; Nyquist plot analysis in Figure S3; SI: VersaSTAT 3, ambient, 10^6 to 10^-1 Hz, 1000 mV ac perturbation, ZSimpWIN fitting; sigma = L/RA

Atmosphere
ambient
Geometry
2.5 mg in situ pressed pellet in 2.7 mm ID Teflon tube between two stainless-steel rods; conductive carbon ink or Ag-coated rod tips; pressed at 200 MPa; thickness ca. 0.2 mm; pellet radius 1.35 mm
Context
iodine guest-loaded target compared with pristine 1
Measurement source
S-2 to S-4 · General Materials and Methods; Electrical Conductivity Measurements on MOF Pellets · Table 1; Figure S3
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Electrical conductivity of 1b by EIS, Ag electrodes2.7 x 10-4 S/m0.00027 S/m—Table
Exact Reported		5 · Electrical Conductivity · Table 1