Electrical Transport — Dominant Role of Hole Transport Pathway in Achieving Record High Photoconductivity in Two-Dimensional Metal–Organic Frameworks

Measurement evidence

Electrical Transport

Dominant Role of Hole Transport Pathway in Achieving Record High Photoconductivity in Two-Dimensional Metal–Organic Frameworks · Wang D., Ostresh S., Streater D. et al. · Angewandte Chemie - International Edition · 2023 · e202309505

4 measurement groups · 23 results

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

optical pump terahertz probe (OPTP)

Cu-HHTP tape-cell sample · Unknown

400 nm pump; pump power 90 mW; THz probe; tape-cell samples thick enough to absorb pump pulse; time delay spanning 125 ps.

Geometry
tape cell
Context
pristine Cu-HHTP
Measurement source
p003-p004 · Results and Discussion · Figure 3
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
OPTP fit A1 (Cu)-0.802SI Table
Exact Reported
p008 / SI p.S7 · S5 · Table S2
OPTP fit A2 (Cu)-0.098SI Table
Exact Reported
p008 / SI p.S7 · S5 · Table S2
OPTP fit tau1 (Cu)0.186SI Table
Exact Reported
p008 / SI p.S7 · S5 · Table S2
OPTP fit tau2 (Cu)4.574SI Table
Exact Reported
p008 / SI p.S7 · S5 · Table S2
OPTP fit y0 (Cu)-0.019SI Table
Exact Reported
p008 / SI p.S7 · S5 · Table S2
reported conductivity-vs-time maximum from calculationMarked as a best value within this papermaximum of this trace is 65.5 S/mText
Exact Reported
p004 / SI p.S3 · Photoconductivity calculations
photoconductivity maximumMarked as a best value within this paper65.5 S/mText
Exact Reported
p003-p004 · Results and Discussion · Table S3
sample-cell thickness used in photoconductivity calculation3.5 umText
Exact Reported
p004 / SI p.S3 · Photoconductivity calculations
photoconductive THz attenuationMarked as a best value within this paper0.3 %Text
Exact Reported
p003 · Results and Discussion · Figure 3

optical pump terahertz probe (OPTP)

Cu/Zn-HHTP tape-cell sample · Unknown

400 nm pump; same OPTP comparison and Table S2 exponential fit.

Geometry
tape cell
Context
mixed-metal control
Measurement source
p003 · Results and Discussion · Figure 3
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
effect of Zn substitution on THz signalstrongly diminishes this signalText
Qualitative
p003 · Results and Discussion · Figure 3
OPTP fit A1 (Cu/Zn)-0.526SI Table
Exact Reported
p008 / SI p.S7 · S5 · Table S2
OPTP fit A2 (Cu/Zn)-0.022SI Table
Exact Reported
p008 / SI p.S7 · S5 · Table S2
OPTP fit tau1 (Cu/Zn)0.074SI Table
Exact Reported
p008 / SI p.S7 · S5 · Table S2
OPTP fit tau2 (Cu/Zn)2.717SI Table
Exact Reported
p008 / SI p.S7 · S5 · Table S2
OPTP fit y0 (Cu/Zn)-0.004SI Table
Exact Reported
p008 / SI p.S7 · S5 · Table S2

optical pump terahertz probe (OPTP)

Zn-HHTP tape-cell sample · Unknown

400 nm pump; same OPTP comparison and Table S2 exponential fit.

Geometry
tape cell
Context
Zn control
Measurement source
p003 · Results and Discussion · Figure 3
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
OPTP fit A1 (Zn)-0.346SI Table
Exact Reported
p008 / SI p.S7 · S5 · Table S2
OPTP fit A2 (Zn)-0.002SI Table
Exact Reported
p008 / SI p.S7 · S5 · Table S2
OPTP fit tau1 (Zn)0.055SI Table
Exact Reported
p008 / SI p.S7 · S5 · Table S2
OPTP fit tau2 (Zn)1.12SI Table
Exact Reported
p008 / SI p.S7 · S5 · Table S2
OPTP fit y0 (Zn)-0.01SI Table
Exact Reported
p008 / SI p.S7 · S5 · Table S2
Zn-HHTP THz attenuationmarginal THz attenuationText
Qualitative
p005 · Results and Discussion · Figure 3

THz time-domain spectroscopy (THz-TDS)

Cu-HHTP tape-cell sample · Unknown

Ground-state THz-TDS at 300, 200 and 100 K measured absorption coefficient, refractive index and permittivity.

Temperature
100; 200; 300
Geometry
tape cell
Context
pristine Cu-HHTP
Measurement source
p003-p004 · Results and Discussion · Figure S5
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
carrier freeze-out interpretationfree charges are frozen out and the material is semiconductiveText
Qualitative
p004 · Results and Discussion · Figure S5
temperature trend in THz-TDS responseabsorption coefficient, refractive index and permittivity shift lower with decreasing temperatureCaption
Qualitative
p008 / SI p.S7 · S5 · Figure S5