Electrical Transport — Superior Charge Transport in Ni-Diamine Conductive MOFs

Measurement evidence

Electrical Transport

Superior Charge Transport in Ni-Diamine Conductive MOFs · Wang J., Chen T., Jeon M. et al. · Journal of the American Chemical Society · 2024 · 20500-20507

6 measurement groups · 14 results

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

four-contact probe conductivity ageing in air

Air-exposed Cu3(HITT)2 · Unknown

Cu3(HITT)2 devices exposed to ambient atmosphere for up to 50 days; Figure 5a and S31/S32.

Atmosphere
ambient air
Geometry
four individual four-probe devices; average values plotted
Context
air-exposed
Measurement source
20505 · Figure caption · Figure 5a
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
conductivity after 50 days air exposureMarked as a best value within this paper7.1 × 10−6 S cm−1Text
Rounded Reported
20504 · Results and discussion · Figures 5a, S31 and S32
initial conductivity before ageing2.9 × 10−2 S cm−1Text
Rounded Reported
20504 · Results and discussion · Figures 5a, S31 and S32
conductivity modulation magnitudenearly 4 orders of magnitudeText
Approximate
20504 · Results and discussion · Figures 5a, S31 and S32
late-time conductivity plateauapproximately 10−6 S cm−1Text
Approximate
20504 · Results and discussion · Figures 5a, S31 and S32

four-contact probe conductivity ageing in air

Air-exposed Ni3(HITT)2 control · Unknown

Ni3(HITT)2 air-exposure control for a similar duration to Cu3(HITT)2.

Atmosphere
ambient air
Geometry
four-contact probe device
Context
air-exposed
Measurement source
20504 · Results and discussion · Figure 5a
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
air-exposed conductivity upper boundMarked as a best value within this paper4-4.5 S cm−1Text
Range
20504 · Results and discussion · Figure 5a
air-exposed conductivity lower bound4-4.5 S cm−1Text
Range
20504 · Results and discussion · Figure 5a

four-contact probe conductivity

Pressed pellet four-probe device of pristine Cu3(HITT)2 · Pellet

Pressed polycrystalline pellet; measured at ambient/room temperature in four-contact geometry.

Temperature
296
Atmosphere
ambient
Geometry
pressed pellet, four-contact probe
Context
pristine
Measurement source
20503 · Results and discussion · Figures 3 and S29; Table S1
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
room-temperature conductivity averagesigma_average = 0.029 S cm−1Text
Rounded Reported
20503 · Results and discussion · Figures 3 and S29
room-temperature conductivity maximumMarked as a best value within this paper0.05 S cm−1Text
Rounded Reported
20503 · Results and discussion · Figures 3 and S29

four-contact probe conductivity

Pressed pellet four-probe device of Ni3(HITT)2 · Pellet

Pressed polycrystalline pellet; measured at 298 K in main text / 296 K in SI methods, ambient atmosphere, dark-covered probe station.

Temperature
298
Atmosphere
ambient
Geometry
pressed pellet, four-contact probe
Context
pristine
Measurement source
20503 · Results and discussion · Figure S29; Table S1
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
room-temperature conductivity averagesigma_average = 3.45 S cm−1Text
Rounded Reported
20503 · Results and discussion · Figure S29
room-temperature conductivity maximumMarked as a best value within this paperup to 4.5 S cm−1 at 298 KText
Rounded Reported
20503 · Results and discussion · Figure S29

variable-temperature four-contact conductivity / Arrhenius fit

Pressed pellet four-probe device of pristine Cu3(HITT)2 · Pellet

PPMS DynaCool Electrical Transport Option; two heating/cooling cycles between 300 K and 100 or 200 K at 5 K/min; resistance every 1 K.

Temperature
200-300
Atmosphere
not specified
Geometry
four-contact probe cell
Context
pristine
Measurement source
4 · Variable temperature electrical conductivity · Figure 3a
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Arrhenius activation energy, 200-300 KMarked as a best value within this paper163 meVText
Rounded Reported
20503 · Results and discussion · Figure 3a

variable-temperature four-contact conductivity / Arrhenius and VRH fits

Pressed pellet four-probe device of Ni3(HITT)2 · Pellet

PPMS DynaCool Electrical Transport Option; two heating/cooling cycles between 300 K and 100 or 200 K at 5 K/min; resistance every 1 K.

Temperature
100-300
Atmosphere
not specified
Geometry
four-contact probe cell
Context
pristine
Measurement source
4 · Variable temperature electrical conductivity · Figure 3a
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Arrhenius activation energy, 200-300 K43 meVText
Rounded Reported
20503 · Results and discussion · Figure 3a
Arrhenius activation energy, 100-150 KMarked as a best value within this paper31 meVText
Rounded Reported
20503 · Results and discussion · Figure 3a
Mott VRH dimensionalityd = 3Text
Exact Reported
20503 · Results and discussion · Figure 3a inset