Electrical Transport — Crystal structure and carrier transport properties of a new semiconducting 2D coordination polymer with a 3,5-dimethylpiperidine dithiocarbamate ligand

3 measurement groups · 11 results

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

Flash photolysis time-resolved microwave conductivity (FP-TRMC)

Electrical conductivity

Complex 1 bulk sample for FP-TRMC · Powder

355 nm Nd:YAG THG laser, 6.1 mJ cm-2 pulse-1 (5.6 x 10^15 photons cm-2 pulse-1), isotropic polarisation; microwave frequency about 9.1 GHz and power 3 mW; room temperature.

Temperature: room temperature
Geometry: bulk sample, contactless microwave conductivity
Context: pristine complex 1 bulk sample
Measurement source: 2 · Physical measurements · Fig. 4 in main article

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
estimated carrier mobility sumMarked as a best value within this paper	approximately 0.2 cm2 V^-1 s^-1	—	—	Text Approximate	3 · FP-TRMC discussion · Fig. 4
*maximum transient photoconductivity signal phisum_mu**Marked as a best value within this paper	9.0 x 10^-5 cm2 V^-1 s^-1	—	—	Text Rounded Reported	3 · FP-TRMC discussion · Fig. 4
FP-TRMC laser pulse fluence	6.1 mJ cm^-2 pulse^-1	—	—	Caption Exact Reported	3 · Figure 4 caption · Fig. 4
assumed photocarrier generation yield	5 x 10^-4	—	—	Text Approximate	3 · FP-TRMC discussion

Complex impedance spectroscopy and equivalent-circuit fitting using ZView

Impedance spectroscopy

Complex 1 pressed powder pellet · Pellet

Pressed powder pellet sandwiched by brass electrodes; 13 mm electrode diameter; 0.357 mm pellet thickness; 300-350 K; SI reports frequency range 100 Hz to 3 MHz.

Temperature: 300-350
Geometry: pressed pellet between brass electrodes
Context: pristine complex 1 pellet
Measurement source: 2-3 · Impedance spectroscopy discussion · Fig. 3

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
bulk activation energyMarked as a best value within this paper	0.39 eV	—	—	Text Rounded Reported	3 · Impedance spectroscopy discussion · Fig. 3c
bulk DC conductivity at 300 KMarked as a best value within this paper	6.5 x 10^-8 S cm^-1	—	—	Text Rounded Reported	3 · Impedance spectroscopy discussion · Fig. 3c
grain-boundary activation energy	0.38 eV	—	—	Text Rounded Reported	3 · Impedance spectroscopy discussion · Fig. 3c
grain-boundary DC conductivity at 300 K	1.2 x 10^-8 S cm^-1	—	—	Text Rounded Reported	3 · Impedance spectroscopy discussion · Fig. 3c
negative temperature coefficient of resistance	typical semiconducting properties, i.e. NTCR	—	—	Qualitative Qualitative	2 · Impedance spectroscopy discussion · Fig. 3a
pellet thickness for impedance sample	0.357 mm	—	—	Text Exact Reported	2 · Impedance spectroscopy discussion

Single-crystal DC resistivity/conductivity measurement on Au electrodes

Electrical conductivity

Single crystal of 1 on Au electrodes / SiO2 substrate · Electrode

Single crystal on Au electrodes / SiO2 substrate, covered by gold paste; 50 micrometre interelectrode gap; 6 micrometre crystal thickness; room temperature.

Temperature: room temperature
Geometry: two-terminal Au electrode device with gold-paste contact
Context: pristine complex 1 single crystal contacted with Au/gold paste
Measurement source: 5 · Figure S3 caption · Figure S3

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
single-crystal DC conductivity at room temperatureMarked as a best value within this paper	2.8 x 10^-7 S cm^-1	—	—	Caption Rounded Reported	5 · Figure S3 caption · Figure S3