Electrical Transport — Synthesis of a copper 1,3,5-triamino-2,4,6-benzenetriol metal-organic framework

6 measurement groups · 18 results

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

Hall effect, van der Pauw method

Electrical conductivity Hall-effect measurements

Iodine-doped Cu3(TABTO)2-Ar pellet · Pellet

Hall measurements on 8 x 8 mm2 and 0.20 mm thick iodine-doped Cu3(TABTO)2-Ar pellet at room temperature.

Temperature: room temperature
Geometry: van der Pauw pellet
Context: iodine-doped conducting sample
Measurement source: 18350 · Results and Discussion · Figure S9

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Hall carrier type	p-type conductor	—	—	Text Qualitative	18350 · Results and Discussion · Figure S9
Charge carrier (hole) densityMarked as a best value within this paper	~5.0 x 10^17 cm-3	—	~	Text Approximate	18350 · Results and Discussion · Figure S9
Hall mobilityMarked as a best value within this paper	~6.6 cm2 V-1 s-1	—	~	Text Approximate	18350 · Results and Discussion · Figure S9

Arrhenius analysis of conductivity vs 1/T

Electrical conductivity

Iodine-doped Cu3(TABTO)2-Ar pellet · Pellet

Activation energy fit from linear region from 30 K to 200 K.

Temperature: 30-200
Geometry: pellet
Context: iodine-doped conducting sample
Measurement source: S19 · Estimation of the hole binding energy · Figure S10

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Hole binding/activation energy	0.43 meV	—	—	Caption Exact Reported	S19 · Estimation of the hole binding energy · Figure S10

Four-probe electrical conductivity

Electrical conductivity

Iodine-doped Cu3(TABTO)2-Ar pellet · Pellet

Iodine-doped Cu3(TABTO)2-Ar and Air-1 pellets pressed at 1.2 GPa; Keithley 2636A source meter and 2182 nanovoltmeter.

Temperature: 300
Geometry: bulk compressed pellet
Context: iodine-doped conducting target compared to iodine-doped Air-1
Measurement source: 18350 · Results and Discussion

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Iodine-doped Cu3(TABTO)2-Air-1 conductivity behaviour	insulating	—	—	Qualitative Qualitative	18350 · Results and Discussion
Three-month stored iodine-doped Cu3(TABTO)2-Ar conductivity	~0.76 S/cm	—	~	Text Approximate	18350 · Results and Discussion · Figures S19-S20
Best four-probe conductivity of iodine-doped Cu3(TABTO)2-ArMarked as a best value within this paper	~0.78 S/cm at 300 K	—	~	Text Approximate	18350 · Results and Discussion · Figure 5a

Infrared reflectance and Kramers-Kronig optical conductivity

Infrared spectroscopy Electrical conductivity

Iodine-doped Cu3(TABTO)2-Ar pellet · Pellet

Reflectance measured from 20 to 25000 cm-1 at room temperature using Bruker Vertex 80v and ex situ metallisation; optical conductivity from KK analysis.

Temperature: room temperature
Geometry: bulk pellet; aluminium mirror reference and gold-coated reference step
Context: iodine-doped conducting sample
Measurement source: 18350-18352 · Results and Discussion · Figure 5b-d

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Optical conductivity broad electronic-transition peak	18,500 cm-1	—	—	Text Exact Reported	18352 · Results and Discussion · Figure 5c
DC conductivity from optical extrapolation	~1.59 S cm-1 at room temperature	—	~	Text Approximate	18352 · Results and Discussion · Figure 5d
Low-frequency optical conductivity peak	~130 cm-1	—	~	Text Approximate	18352 · Results and Discussion · Figure 5d
Optical conductivity sharp peak	~1420 cm-1	—	~	Text Approximate	18352 · Results and Discussion · Figure 5c
Optical conductivity sharp peak	~3250 cm-1	—	~	Text Approximate	18352 · Results and Discussion · Figure 5c

Four-probe electrical conductivity

Electrical conductivity

Pristine Cu3(TABTO)2-Ar pellet · Pellet

Bulk compressed pristine Cu3(TABTO)2-Ar and Cu3(TABTO)2-Air-1 pellets measured; SI method uses PPMS and Keithley electrometers in vacuum with Ti/Au contacts.

Temperature: room temperature
Atmosphere: vacuum for electrical measurements
Geometry: pressed pellet, four-terminal Ti/Au contacts with 1 mm separations
Context: pristine controls before iodine doping
Measurement source: 18349 · Results and Discussion

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Pristine Cu3(TABTO)2-Air-1 pellet conductivity upper bound	sigma < 10^-10 S/cm	—	upper bound	Text Range	18349 · Results and Discussion
Pristine Cu3(TABTO)2-Ar pellet conductivity upper bound	sigma < 10^-10 S/cm	—	upper bound	Text Range	18349 · Results and Discussion

Temperature-dependent four-probe conductivity

Electrical conductivity

Iodine-doped Cu3(TABTO)2-Ar pellet · Pellet

Electrical conductivity plotted from 100 to 330 K for iodine-doped Cu3(TABTO)2-Ar pellet.

Temperature: 100-330
Geometry: bulk compressed pellet
Context: iodine-doped conducting sample
Measurement source: 18352 · Figure 5 · Figure 5a

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Figure-read conductivity near 100 K	~0.827 S/cm at 100 K from Figure 5a	—	visual estimate from axis	Figure Axis Approximate	18352 · Figure 5 · Figure 5a
Figure-read conductivity near 310 K	~0.817 S/cm near 310 K from Figure 5a	—	visual estimate from axis	Figure Axis Approximate	18352 · Figure 5 · Figure 5a
Figure-read maximum conductivity near 180-200 K	~0.841 S/cm near 185 K from Figure 5a	—	visual estimate from axis	Figure Axis Approximate	18352 · Figure 5 · Figure 5a
Temperature-dependent transport regimes	Semiconducting-like below 200 K; metallic transport from 200-300 K	—	—	Text Qualitative	18350 · Results and Discussion · Figure 5a