Electrical Transport — Cofacial Assembly of Metallomacrocycles as an Approach to Controlling Lattice Architecture in Low-Dimensional Molecular Solids. Chemical, Structural, Oxidation-State, Transport, and Optical Properties of the Coordination Polymer [Fe(phthalocyaninato)(μ-pyrazine)]n and the Consequences of Halogen Doping

Measurement evidence

Electrical Transport

Cofacial Assembly of Metallomacrocycles as an Approach to Controlling Lattice Architecture in Low-Dimensional Molecular Solids. Chemical, Structural, Oxidation-State, Transport, and Optical Properties of the Coordination Polymer [Fe(phthalocyaninato)(μ-pyrazine)]n and the Consequences of Halogen Doping · Diel B.N., Inabe T., Jaggi N.K. et al. · Journal of the American Chemical Society · 1984 · 3207-3214

4 measurement groups · 26 results

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

dc current test with platinum blocking electrodes

{[Fe(Pc)(mu-pyz)]I2.10}n, eq 4 · Pellet

100 microA passed through a 9.6 mg pellet for 80 h to check possible ion conduction.

Geometry
9.6 mg pressed pellet with platinum blocking electrodes
Context
doped target sample
Measurement source
3209 · Charge-Transport Measurements
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
conductivity decrease during blocking-electrode ion-conduction testless than 1.2%upper boundText
Approximate
3209 · Charge-Transport Measurements

four-probe variable-temperature dc conductivity on pressed pellets

[Fe(Pc)(mu-pyz)]n prepared by eq 2 · Pellet

Undoped [Fe(Pc)(mu-pyz)]n samples prepared by eq 2 or eq 3; plotted as conductivity versus 10^3/T.

Temperature
about 200-320 K from figure axis
Geometry
pressed polycrystalline pellet
Context
pristine controls
Measurement source
3212 · Doped Polymers. Charge Transport · Figure 5
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
room-temperature conductivity range for undoped [Fe(Pc)(pyz)]non the order of 10^-6-10^-7 ohm^-1 cm^-1Text
Range
3212 · Doped Polymers. Charge Transport · Figure 5

fluctuation-induced carrier tunnelling fit to variable-temperature conductivity

{[Fe(Pc)(mu-pyz)]I2.60}n · Pellet

Conductivity data for 14-180 K plotted as -[ln(sigma/sigma0)]^-1 versus T and fitted over visually linear intervals from 14-110 K to 14-150 K.

Temperature
14-180 K
Geometry
pressed polycrystalline pellet
Context
doped target sample
Measurement source
3213 · Doped Polymers. Charge Transport · Figure 9; eq 7
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
fluctuation-induced tunnelling sigma0sigma0 = 0.155 (4) ohm^-1 cm^-1(4)Text
Exact Reported
3213 · Doped Polymers. Charge Transport · Figure 9
fluctuation-induced tunnelling T0T0 = 7.6 (2) deg(2)Text
Exact Reported
3213 · Doped Polymers. Charge Transport · Figure 9
fluctuation-induced tunnelling T1T1 = 460 (4) deg(4)Text
Exact Reported
3213 · Doped Polymers. Charge Transport · Figure 9

four-probe direct-current electrical conductivity on pressed powder pellets

Table VI pressed-powder transport series · Pellet

Pressed powder compactions measured from 77 to 320 K; activation energies from least-squares fits to thermal activation model over 96-300 K.

Temperature
300 K for sigma_RT; activation fit 96-300 K
Geometry
compressed polycrystalline pellets; 1 mm x 1 mm x 5 mm pellets or 13 mm x 1 mm disks; tungsten-wire spring contacts with Aquadag
Context
pristine control and iodine-doped target samples
Measurement source
3212 · Charge-Transport Measurements · Table VI
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
activation energy, {[Fe(Pc)(pyz)]I0.19}n eq 40.139 eVTable
Exact Reported
3212 · Doped Polymers. Charge Transport · Table VI
activation energy, {[Fe(Pc)(pyz)]I0.38}n eq 40.116 eVTable
Exact Reported
3212 · Doped Polymers. Charge Transport · Table VI
activation energy, {[Fe(Pc)(pyz)]I0.77}n eq 40.079 eVTable
Exact Reported
3212 · Doped Polymers. Charge Transport · Table VI
activation energy, {[Fe(Pc)(pyz)]I2.10}n eq 40.080 eVTable
Exact Reported
3212 · Doped Polymers. Charge Transport · Table VI
activation energy, {[Fe(Pc)(pyz)]I2.76}n eq 40.065 eVTable
Exact Reported
3212 · Doped Polymers. Charge Transport · Table VI
activation energy, {[Fe(Pc)(pyz)]I0.38}n eq 50.141 eVTable
Exact Reported
3212 · Doped Polymers. Charge Transport · Table VI
activation energy, {[Fe(Pc)(pyz)]I1.49}n eq 50.053 eVTable
Exact Reported
3212 · Doped Polymers. Charge Transport · Table VI
activation energy, {[Fe(Pc)(pyz)]I2.10}n eq 5Marked as a best value within this paper0.033 eVTable
Exact Reported
3212 · Doped Polymers. Charge Transport · Table VI
activation energy, {[Fe(Pc)(pyz)]I2.54}n eq 50.045 eVTable
Exact Reported
3212 · Doped Polymers. Charge Transport · Table VI
activation energy, pristine [Fe(Pc)(pyz)]n sample B0.404 eVTable
Exact Reported
3212 · Doped Polymers. Charge Transport · Table VI
maximum conductivity increase upon iodine dopingup to 10^6Text
Approximate
3207 · Abstract
sigma_RT, {[Fe(Pc)(pyz)]I0.19}n eq 49.31 x 10^-4 ohm^-1 cm^-1Table
Exact Reported
3212 · Doped Polymers. Charge Transport · Table VI
sigma_RT, {[Fe(Pc)(pyz)]I0.38}n eq 42.58 x 10^-3 ohm^-1 cm^-1Table
Exact Reported
3212 · Doped Polymers. Charge Transport · Table VI
sigma_RT, {[Fe(Pc)(pyz)]I0.77}n eq 48.63 x 10^-3 ohm^-1 cm^-1Table
Exact Reported
3212 · Doped Polymers. Charge Transport · Table VI
sigma_RT, {[Fe(Pc)(pyz)]I2.10}n eq 47.55 x 10^-3 ohm^-1 cm^-1Table
Exact Reported
3212 · Doped Polymers. Charge Transport · Table VI
sigma_RT, {[Fe(Pc)(pyz)]I2.76}n eq 42.33 x 10^-2 ohm^-1 cm^-1Table
Exact Reported
3212 · Doped Polymers. Charge Transport · Table VI
sigma_RT, {[Fe(Pc)(pyz)]I0.38}n eq 54.60 x 10^-4 ohm^-1 cm^-1Table
Exact Reported
3212 · Doped Polymers. Charge Transport · Table VI
sigma_RT, {[Fe(Pc)(pyz)]I1.49}n eq 55.99 x 10^-3 ohm^-1 cm^-1Table
Exact Reported
3212 · Doped Polymers. Charge Transport · Table VI
sigma_RT, {[Fe(Pc)(pyz)]I2.10}n eq 51.28 x 10^-1 ohm^-1 cm^-1Table
Exact Reported
3212 · Doped Polymers. Charge Transport · Table VI
sigma_RT, {[Fe(Pc)(pyz)]I2.54}n eq 5Marked as a best value within this paper1.90 x 10^-1 ohm^-1 cm^-1Table
Exact Reported
3212 · Doped Polymers. Charge Transport · Table VI
sigma_RT, pristine [Fe(Pc)(pyz)]n sample B7.79 x 10^-8 ohm^-1 cm^-1Table
Exact Reported
3212 · Doped Polymers. Charge Transport · Table VI