Electrical Transport — A simplistic approach for the synthesis of Covalent Organic Frameworks(COFs) comprising of tetrafunctionalized porphyrin and polyoxometalates to uncover catalytic applications

4 measurement groups · 52 results

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

Photocurrent generation under light intensity, coloured filters, electrolyte concentration, switching and field tests

Photoresponse and photoelectrochemistry

ITO/TiO2/P@Cu-AndCOF thin-film electrode · Electrode

ITO/TiO2/P@Cu-AndCOF film tested with I-/I3- electrolyte; 3 W LED, 18 W bulb with filters, 100 W/200 W lamps and sunlight are discussed; current measured with DC nano-ammeter.

Geometry: ITO/TiO2/P@Cu-AndCOF/electrolyte/carbon-black counter electrode.
Context: Composite thin-film device with pristine COF active layer.
Measurement source: main p.10-13 · 3.3-3.7 Photocurrent generation application · Figures 11-13; Figures S8-S12 referenced

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
photocurrent range at 0.1 mL electrolyte	approximately 7-39 uA	—	—	Visual Estimate Range	main p.12 · 3.4 · Figure 12b
photocurrent range at 0.2 mL electrolyteMarked as a best value within this paper	approximately 6-50 uA	—	—	Visual Estimate Range	main p.12 · 3.4 · Figure 12b
field-effect lnV-lnI slope values	[(0.36, 0.41), (0.34, 0.36), (0.14, 0.35), (0.007, 0.82), (0.55, 0.58, 0.80, 0.23)]	—	—	Text Rounded Reported	main p.13 · 3.7 Field effect · Figure S12 referenced
photocurrent under blue filterMarked as a best value within this paper	127 mA	—	—	Text Exact Reported	main p.12 · 3.3.2 Intensity effect · Figure S9 referenced
photocurrent under green filter	67 mA	—	—	Text Exact Reported	main p.12 · 3.3.2 Intensity effect · Figure S9 referenced
photocurrent under red filter	48 mA	—	—	Text Exact Reported	main p.12 · 3.3.2 Intensity effect · Figure S9 referenced
photocurrent order with light intensity	Sunlight > 200 W incandescent bulb > 100 W incandescent bulb > 3 W LED bulb > darkness	—	—	Qualitative Qualitative	main p.11 · 3.3.2 Intensity effect · Table S10 referenced
lnPhi vs lnI slope high intensity/decay segment	r = -0.263	—	—	Figure Axis Rounded Reported	main p.12 · 3.3.2 Intensity effect · Figure 11b
lnPhi vs lnI slope lower intensity	r = 0.156	—	—	Figure Axis Rounded Reported	main p.12 · 3.3.2 Intensity effect · Figure 11b
lnPhi vs lnI slope middle intensity	r = 0.116	—	—	Figure Axis Rounded Reported	main p.12 · 3.3.2 Intensity effect · Figure 11b
photocurrent without conducting electrolyte	0 A	0 A	—	Text Exact Reported	main p.12 · 3.4 · Figure 12
on/off switching current range	approximately 40-58 uA across 30-270 s	—	—	Visual Estimate Range	main p.13 · 3.5 · Figure 13b
Peak photocurrent under 100 W incandescent bulb	83 uA	83 uA	—	SI Table Exact Reported	SI p.14 · Table S10 · Table S10
Peak photocurrent under 200 W incandescent bulbMarked as a best value within this paper	90 uA	90 uA	—	SI Table Exact Reported	SI p.14 · Table S10 · Table S10
Peak photocurrent under 3 W LED bulb	48 uA	48 uA	—	SI Table Exact Reported	SI p.14 · Table S10 · Table S10
Peak photocurrent under sunlight	71 uA	71 uA	—	SI Table Exact Reported	SI p.14 · Table S10 · Table S10

Optical-characterisation-derived electrical conductivity and thin-film parameters

Electrical conductivity

ITO/TiO2/P@Cu-AndCOF thin-film electrode · Electrode

ITO/TiO2/P@Cu-AndCOF film; conductivity derived from optical conductance equations S7 and S8; indirect band gap from Tauc plot.

Geometry: ITO/TiO2/COF thin film.
Context: Composite thin-film electrode with pristine COF active layer.
Measurement source: main p.13-14 · 3.8. The optical characterization for ITO coated P@M-AndCOF films · Table 2; Figures S13-S19 referenced

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
electrical conductivity upper reported valueMarked as a best value within this paper	6.1 x 10^4 S/m	61000 S/m	—	Table Exact Reported	main p.14 · 3.8 · Table 2
electrical conductivity lower reported value	4.7 x 10^3 S/m	4700 S/m	—	Table Exact Reported	main p.14 · 3.8 · Table 2
thin-film indirect band gap	1.85 eV	—	—	Table Exact Reported	main p.14 · 3.8 · Table 2
film thickness	27.948 nm	—	—	Table Exact Reported	main p.14 · 3.8 · Table 2
ITO-coated Q-band transition	538 nm	—	—	SI Table Exact Reported	SI p.7 · Table S3 · Table S3
ITO-coated Soret/B-band transition	429 nm	—	—	SI Table Exact Reported	SI p.7 · Table S3 · Table S3
real dielectric constant range	6.6x10^4-7.4x10^4	—	—	Table Range	main p.14 · 3.8 · Table 2
refractive index range	33.0-30.4	—	—	Table Range	main p.14 · 3.8 · Table 2
Swanepoel thickness calculation rows	d values 4.30, 15.16, 12.26, 23.43, 39.04, 78.53, 7.8, 34.81, 30.32, 33.83 nm; average d- = 27.948 nm	27.948 nm	row values span 4.30-78.53 nm	SI Table Exact Reported	SI p.22 · Table S12 · Table S12
Urbach energy	0.362 eV	—	—	Table Exact Reported	main p.14 · 3.8 · Table 2

Photocurrent generation under light intensity, coloured filters, electrolyte concentration, switching and field tests

Photoresponse and photoelectrochemistry

ITO/TiO2/P@Ni-AndCOF thin-film electrode · Electrode

ITO/TiO2/P@Ni-AndCOF film tested with I-/I3- electrolyte; 3 W LED, 18 W bulb with filters, 100 W/200 W lamps and sunlight are discussed; current measured with DC nano-ammeter.

Geometry: ITO/TiO2/P@Ni-AndCOF/electrolyte/carbon-black counter electrode.
Context: Composite thin-film device with pristine COF active layer.
Measurement source: main p.10-13 · 3.3-3.7 Photocurrent generation application · Figures 11-13; Figures S8-S12 referenced

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
photocurrent range at 0.1 mL electrolyte	approximately 41-65 uA	—	—	Visual Estimate Range	main p.12 · 3.4 · Figure 12a
photocurrent range at 0.2 mL electrolyteMarked as a best value within this paper	approximately 58-78 uA	—	—	Visual Estimate Range	main p.12 · 3.4 · Figure 12a
field-effect lnV-lnI slope values	[(0.41, 0.34), (0.61, 0.26), (0.51, 0.74), (0.18, 0.83), (0.55, 0.34, 0.24, 0.38)]	—	—	Text Rounded Reported	main p.13 · 3.7 Field effect · Figure S12 referenced
photocurrent under blue filterMarked as a best value within this paper	99 mA	—	—	Text Exact Reported	main p.12 · 3.3.2 Intensity effect · Figure S9 referenced
photocurrent under green filter	81 mA	—	—	Text Exact Reported	main p.12 · 3.3.2 Intensity effect · Figure S9 referenced
photocurrent under red filter	53 mA	—	—	Text Exact Reported	main p.12 · 3.3.2 Intensity effect · Figure S9 referenced
photocurrent order with light intensity	Sunlight > 200 W incandescent bulb > 100 W incandescent bulb > 3 W LED bulb > darkness	—	—	Qualitative Qualitative	main p.11 · 3.3.2 Intensity effect · Table S10 referenced
lnPhi vs lnI slope high intensity/decay segment	r = -0.352	—	—	Figure Axis Rounded Reported	main p.12 · 3.3.2 Intensity effect · Figure 11a
lnPhi vs lnI slope lower intensity	r = 0.049	—	—	Figure Axis Rounded Reported	main p.12 · 3.3.2 Intensity effect · Figure 11a
lnPhi vs lnI slope middle intensity	r = 0.307	—	—	Figure Axis Rounded Reported	main p.12 · 3.3.2 Intensity effect · Figure 11a
photocurrent without conducting electrolyte	0 A	0 A	—	Text Exact Reported	main p.12 · 3.4 · Figure 12
on/off switching current range	approximately 48-76 uA across 30-270 s	—	—	Visual Estimate Range	main p.13 · 3.5 · Figure 13a
Peak photocurrent under 100 W incandescent bulb	101 uA	101 uA	—	SI Table Exact Reported	SI p.14 · Table S10 · Table S10
Peak photocurrent under 200 W incandescent bulbMarked as a best value within this paper	125 uA	125 uA	—	SI Table Exact Reported	SI p.14 · Table S10 · Table S10
Peak photocurrent under 3 W LED bulb	85 uA	85 uA	—	SI Table Exact Reported	SI p.14 · Table S10 · Table S10
Peak photocurrent under sunlight	91 uA	91 uA	—	SI Table Exact Reported	SI p.14 · Table S10 · Table S10

Optical-characterisation-derived electrical conductivity and thin-film parameters

Electrical conductivity

ITO/TiO2/P@Ni-AndCOF thin-film electrode · Electrode

ITO/TiO2/P@Ni-AndCOF film; conductivity derived from optical conductance equations S7 and S8; indirect band gap from Tauc plot.

Geometry: ITO/TiO2/COF thin film.
Context: Composite thin-film electrode with pristine COF active layer.
Measurement source: main p.13-14 · 3.8. The optical characterization for ITO coated P@M-AndCOF films · Table 2; Figures S13-S19 referenced

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
electrical conductivity upper reported valueMarked as a best value within this paper	5.8 x 10^4 S/m	58000 S/m	—	Table Exact Reported	main p.14 · 3.8 · Table 2
electrical conductivity lower reported value	2.9 x 10^4 S/m	29000 S/m	—	Table Exact Reported	main p.14 · 3.8 · Table 2
thin-film indirect band gap	1.78 eV	—	—	Table Exact Reported	main p.14 · 3.8 · Table 2
film thickness	134.257 nm	—	—	Table Exact Reported	main p.14 · 3.8 · Table 2
ITO-coated Q-band transition	612 nm	—	—	SI Table Exact Reported	SI p.7 · Table S3 · Table S3
ITO-coated Soret/B-band transition	427 nm	—	—	SI Table Exact Reported	SI p.7 · Table S3 · Table S3
real dielectric constant range	1.4x10^4-1.41x10^4	—	—	Table Range	main p.14 · 3.8 · Table 2
refractive index range	32.9-32.4	—	—	Table Range	main p.14 · 3.8 · Table 2
Swanepoel thickness calculation rows	d values 114.33, 157.31, 146.54, 152.73, 81.38, 117.98, 213.5, 148.59, 127.21, 83.00 nm; average d- = 134.257 nm	134.257 nm	row values span 81.38-213.5 nm	SI Table Exact Reported	SI p.21-22 · Table S11 · Table S11
Urbach energy	0.323 eV	—	—	Table Exact Reported	main p.14 · 3.8 · Table 2