Electrical Transport — Multifunctional coordination polymers based on copper(i) and mercaptonicotinic ligands: Synthesis, and structural, optical and electrical characterization

4 measurement groups · 8 results

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

two-probe direct-current electrical conductivity

Electrical conductivity

CP1 orange/red single crystals · Single Crystal

individual CP1 crystals contacted with graphite conductive ink and two Pt tips; voltage swept from -10.0 to +10.0 V; final value averaged over at least three crystals

Temperature: 300 (Table 1 header reports 298 K)
Geometry: two-contact single-crystal geometry with Pt wires/tips and graphite paste
Context: pristine framework single crystal
Measurement source: 5, 7 · Electrical characterization; Experimental - Materials and methods · Table 1; Fig. S20

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
CP1 ohmic voltage window	0 to 10 V	—	—	Text Exact Reported	6 · Electrical characterization · Figure S20
DC electrical conductivity at ca. 300 KMarked as a best value within this paper	5.4 x 10^-5 S cm^-1	0.000054 S cm^-1	—	Table Exact Reported	4-5 · Electrical characterization · Table 1

temperature-dependent two-probe DC conductivity/resistivity

Electrical conductivity

CP1 orange/red single crystals · Single Crystal

CP1 measured in the voltage range where crystals are ohmic conductors from 300 to 400 K with warming rate 1.0 K min^-1

Temperature: 300-400
Geometry: Pt wires, graphite paste, Quantum Design PPMS-9 connected to Keithley 2400 source-meter and Keithley 6514 electrometer
Context: pristine framework single crystal
Measurement source: 5, 7 · Electrical characterization; Experimental - Materials and methods · Fig. S23; Fig. S24; Table 1

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
least-squares R2 for ln resistivity versus inverse temperature	0.84021	—	—	Text Exact Reported	6 · Electrical characterization · Figure S24
electrical conductivity-derived band gap / activation gapMarked as a best value within this paper	around 0.58 eV	0.58 eV	—	Text Approximate	5-6 · Electrical characterization · Figure S24
DC electrical conductivity at 373 K	8.3 x 10^-5 S cm^-1	0.000083 S cm^-1	—	Table Exact Reported	4 · Results and discussion · Table 1
temperature-dependent conductivity trend	slight conductivity increase from 300 to 320 K, then decrease from 330 to 373 K	—	—	Text Qualitative	5 · Electrical characterization · Figure S23

two-probe direct-current electrical conductivity

Electrical conductivity

CP2 orange/red crystals · Single Crystal

individual CP2 crystals contacted with graphite conductive ink and two Pt tips; voltage swept from -10.0 to +10.0 V; final value averaged over at least three crystals

Temperature: 300 (Table 1 header reports 298 K)
Geometry: two-contact single-crystal geometry with Pt wires/tips and graphite paste
Context: pristine framework single crystal
Measurement source: 5, 7 · Electrical characterization; Experimental - Materials and methods · Table 1; Fig. S21

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
DC electrical conductivity at ca. 300 KMarked as a best value within this paper	6.1 x 10^-8 S cm^-1	6.1e-8 S cm^-1	—	Table Exact Reported	4-5 · Electrical characterization · Table 1

two-probe direct-current electrical conductivity

Electrical conductivity

CP3 yellow crystals from method A · Single Crystal

individual CP3 crystals contacted with graphite conductive ink and two Pt tips; voltage swept from -10.0 to +10.0 V; final value averaged over at least three crystals

Temperature: 300 (Table 1 header reports 298 K)
Geometry: two-contact single-crystal geometry with Pt wires/tips and graphite paste
Context: pristine framework single crystal
Measurement source: 5, 7 · Electrical characterization; Experimental - Materials and methods · Table 1; Fig. S22

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
DC electrical conductivity at ca. 300 KMarked as a best value within this paper	6.1 x 10^-8 S cm^-1	6.1e-8 S cm^-1	—	Table Exact Reported	4-5 · Electrical characterization · Table 1