Electrical Transport — Acid-Dependent Charge Transport in a Solution-Processed 2D Conductive Metal-Organic Framework

Measurement evidence

Electrical Transport

Acid-Dependent Charge Transport in a Solution-Processed 2D Conductive Metal-Organic Framework · Park G., Demuth M.C., Hendon C.H. et al. · Journal of the American Chemical Society · 2024

5 measurement groups · 10 results

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

Repeated H+ dedoping/doping conductivity cycling

Cu3(HHTATP)2 proton-doped spin-coated thin film · Thin Film

Three cycles of proton removal and proton doping on a Cu3(HHTATP)2 thin film; PXRD checked after cycling.

Geometry
spin-coated thin film
Context
reversibly doped/dedoped thin film
Measurement source
S26 · Figure 23 · Figure S23
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Cycle 1 H+-dedoped film conductivityapproximately 0.024 S/cm from Figure S23aFigure Axis
Approximate
S26 · Figure 23 · Figure S23a
Cycle 1 H+-doped film conductivityapproximately 0.097 S/cm from Figure S23aFigure Axis
Approximate
S26 · Figure 23 · Figure S23a
Cycle 3 H+-doped film conductivityapproximately 0.064 S/cm from Figure S23aFigure Axis
Approximate
S26 · Figure 23 · Figure S23a

Field-effect transistor output and transfer curves

Cu3(HHTATP)2 proton-removed spin-coated thin film · Thin Film

Bottom-gate electrode made by applying silver paste under substrate; measured with probe station and Keithley 4200A-SCS.

Geometry
bottom-gate thin-film FET
Context
proton-removed film
Measurement source
S26 · Figure S22 · Figure S22
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
FET carrier polarityslight amplification of drain currents along negative gate voltage; p-type conductionText
Qualitative
11496 · Results and Discussion · Figure S22

Four-point probe conductivity on spin-coated films

Cu3(HHTATP)2 proton-doped spin-coated thin film · Thin Film

Cr/Au electrodes with 30 um spacing; film conductivity calculated using sigma = (dI/dV) x ln2/(pi t).

Temperature
room temperature
Geometry
spin-coated film device with probe-contacting pads
Context
proton-doped and proton-removed films
Measurement source
11496 · Results and Discussion · Figures 4c,e
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Four-point-probe conductivity, proton-doped film0.12 (+/-0.04) S/cm+/-0.04 S/cmText
Exact Reported
11496 · Results and Discussion · Figure 4e
Four-point-probe conductivity, proton-removed film2.5 (+/-0.5) x 10^-2 S/cm+/-0.005 S/cmText
Exact Reported
11496 · Results and Discussion · Figure 4e

Four-point probe conductivity on pressed pellets

Cu3(HHTATP)2 rod pellet device · Pellet

Powders pressed at approximately 0.37 GPa for 10 min; Cr/Au 5/95 nm electrodes; pellet probe spacing 50 um.

Temperature
room temperature
Geometry
pressed pellet with four-point probe electrodes
Context
pristine rod and flake pellets
Measurement source
S8 · Device fabrication and electrical conductivity measurements · Figures 4d, S21; Tables S3-S4
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Four-point-probe conductivity, Cu3(HHTATP)2 flake pellet3.9 (+/-0.4) x 10^-2 S/cm+/-0.004 S/cmText
Exact Reported
11496 · Results and Discussion · Figure S21; Tables S3-S4
Four-point-probe conductivity, Cu3(HHTATP)2 rod pelletMarked as a best value within this paper1.21 (+/-0.01) S/cm+/-0.01 S/cmText
Exact Reported
11496 · Results and Discussion · Figure 4d; Tables S3-S4

Variable-temperature conductivity; ln sigma versus 1/T activation-energy fits

Cu3(HHTATP)2 proton-doped spin-coated thin film · Thin Film

High-temperature range; Arrhenius-type analysis of proton-doped and proton-removed films.

Temperature
300-380 K visual axis range
Geometry
spin-coated film device
Context
proton-doped and proton-removed films
Measurement source
11496 · Results and Discussion · Figure 4f
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Activation energy, proton-doped filmEa = 138 meVText
Exact Reported
11496 · Results and Discussion · Figure 4f
Activation energy, proton-removed filmEa = 191 meVText
Exact Reported
11496 · Results and Discussion · Figure 4f