Electrical Transport — Direct Evidence of Photoinduced Charge Transport Mechanism in 2D Conductive Metal Organic Frameworks

3 measurement groups · 10 results

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

Optical pump terahertz probe (OPTP) spectroscopy

Terahertz spectroscopy

Cu-THQ tape-cell sample for OPTP and THz-TDS · Powder

400 nm optical pump from frequency-doubled 800 nm; THz generation from plasma source; detection by free-space electro-optic sampling in ZnTe (110); pump-probe traces and frequency-dependent photoconductivity.

Geometry: Powder tape cell; frequency-dependent experiments at pump-probe delay 500 fs
Context: Pristine Cu-THQ transient photoconductivity.
Measurement source: 21051 · Optical Pump Terahertz Probe (OPTP) Spectroscopy · Figure 3d; Figure S6; Table S3

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Cu-THQ frequency-dependent photoconductivityMarked as a best value within this paper	approximately 0.2 S/m	—	estimated from relatively flat signal between 1 and 2.2 THz	Text Approximate	21055 · 3.4. Photoconductivity Dynamics via OPTP Spectroscopy · Figure S6d
Cu-THQ OPTP fit tau1	0.4 ps	—	fixed to instrument response	SI Table Exact Reported	S6 · Supplementary tables · Table S3
Cu-THQ OPTP fit tau2	5.65 ps	—	—	SI Table Exact Reported	S6 · Supplementary tables · Table S3
Cu-THQ OPTP fit tau3	1000 ps	1 ns	acts as a baseline offset beyond 300 ps measurement range	SI Table Exact Reported	S6 · Supplementary tables · Table S3

Optical pump terahertz probe (OPTP) spectroscopy

Terahertz spectroscopy

Cu/Zn-THQ tape-cell sample for OPTP and THz-TDS · Powder

400 nm optical pump; OPTP traces compared with Cu-THQ; frequency-dependent signal too small for direct measurement.

Geometry: Powder tape cell
Context: Mixed-metal Cu/Zn-THQ transient photoconductivity.
Measurement source: 21055 · 3.4. Photoconductivity Dynamics via OPTP Spectroscopy · Figure 3d; Table S3

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Cu/Zn-THQ estimated photoconductivityMarked as a best value within this paper	approximately half of Cu-THQ, i.e. 0.1 S/m	—	estimated from Figure 3d OPTP amplitude because frequency-dependent signal was too small	Text Approximate	21055 · 3.4. Photoconductivity Dynamics via OPTP Spectroscopy · Figure 3d
Peak OPTP signal decrease upon Zn incorporation	approximately 50% decrease of the peak OPTP signal	0.5 relative_to_Cu-THQ	—	Text Approximate	21054 · 3.4. Photoconductivity Dynamics via OPTP Spectroscopy · Figure 3d
Cu/Zn-THQ OPTP fit tau1	0.4 ps	—	fixed to instrument response	SI Table Exact Reported	S6 · Supplementary tables · Table S3
Cu/Zn-THQ OPTP fit tau2	5.24 ps	—	—	SI Table Exact Reported	S6 · Supplementary tables · Table S3
Cu/Zn-THQ OPTP fit tau3	1000 ps	1 ns	acts as a baseline offset beyond 300 ps measurement range	SI Table Exact Reported	S6 · Supplementary tables · Table S3

Optical pump terahertz probe (OPTP) spectroscopy

Terahertz spectroscopy

Zn-THQ tape-cell sample for OPTP control · Powder

Normalized OPTP traces for Zn-THQ control; used to assess through-space contribution.

Geometry: Powder tape cell
Context: Zn-THQ control.
Measurement source: 21054 · 3.4. Photoconductivity Dynamics via OPTP Spectroscopy · Figure S5

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Zn-THQ OPTP photoconductivityMarked as a best value within this paper	below the detection limit of OPTP experiments	—	—	Text Qualitative	21054 · 3.4. Photoconductivity Dynamics via OPTP Spectroscopy · Figure S5