Electrochemistry Application — Novel Solid-State Solar Cell Based on Hole-Conducting MOF-Sensitizer Demonstrating Power Conversion Efficiency of 2.1%

7 measurement groups · 57 results

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

cyclic voltammetry-derived energy levels

Voltammetry

Co-DAPV film on ITO electrode · Electrode

Cyclic voltammogram of Co-DAPV film on ITO in 0.1 M tetra-n-butylammonium tetrafluoroborate in acetonitrile; Pt counter electrode, Ag/AgCl (3 M KCl) reference, 5 mV s-1 scan speed.

Geometry: Co-DAPV film on ITO glass electrode
Context: pristine Co-DAPV film
Measurement source: S-5 · Figure S3 caption · Figure S3c

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Co-DAPV HOMO level	-5.40 eV	—	estimated from oxidation onset potential	Text Exact Reported	12932 · Results · Figure S3c
Co-DAPV LUMO level	-3.76 eV	—	—	Text Exact Reported	12932 · Results · Figure S3c
LUMO level indicated by reduction onset	-3.69 eV	—	—	Text Exact Reported	12932 · Results · Figure S3c

energy-level alignment diagram

2000 rpm TiO2/Co-DAPV device series, 5-30 LbL cycles · Electrode

Band-edge alignment for FTO/TiO2/Co-DAPV/Au heterojunction.

Geometry: TiO2/Co-DAPV heterojunction
Context: composite photovoltaic stack using Co-DAPV
Measurement source: 12932 · Results · Figure 2

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Au work-function/energy label	-5.1 eV	—	—	Figure Axis Rounded Reported	12932 · Figure 2 · Figure 2
FTO work-function/energy label	-4.4 eV	—	—	Figure Axis Rounded Reported	12932 · Figure 2 · Figure 2
TiO2 conduction band label	-4.2 eV	—	—	Figure Axis Rounded Reported	12932 · Figure 2 · Figure 2
TiO2 valence band label	-7.4 eV	—	—	Figure Axis Rounded Reported	12932 · Figure 2 · Figure 2

photovoltaic J-V curve

doctor-bladed TiO2/Co-DAPV device, 20 LbL cycles · Electrode

Doctor-bladed TiO2-mp solid-state solar cell measured under 1 sun illumination.

Geometry: FTO/TiO2-bl/4 um TiO2-mp/Co-DAPV/Au
Context: composite application device using Co-DAPV sensitizer
Measurement source: 12932 · Results · Figure S4c

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
doctor-bladed device power conversion efficiency	Eff = 0.78%	—	—	Text Exact Reported	12932 · Results · Figure S4c
doctor-bladed device fill factor	FF = 0.41	—	—	Text Exact Reported	12932 · Results · Figure S4c
doctor-bladed device short-circuit current density	Jsc = 3.51 mA cm-2	—	—	Text Exact Reported	12932 · Results · Figure S4c
doctor-bladed TiO2-mp film thickness	about 4 um-thick doctor bladed TiO2-mp film	—	about	Text Approximate	12932 · Results · Figure S4
doctor-bladed device open-circuit voltage	Voc = 0.62 V	—	—	Text Exact Reported	12932 · Results · Figure S4c

electrochemical impedance spectroscopy

Impedance spectroscopy

2000 rpm TiO2/Co-DAPV device series, 5-30 LbL cycles · Electrode

Nyquist plots under very low incident intensity of 0.1 sun illumination; frequency range 10^-2 to 10^6 Hz.

Geometry: FTO/TiO2-bl/TiO2-mp/Co-DAPV/Au
Context: composite solar-cell devices with varied Co-DAPV LbL cycles
Measurement source: 12933 · Results · Figure 4a

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
lowest TiO2-Co-DAPV charge-transport resistance conditionMarked as a best value within this paper	15 LbL sensitization cycles shows the smallest charge transport resistance	—	—	Text Qualitative	12933 · Results · Figure 4a
15-cycle high-Z semicircle peak -Z2Marked as a best value within this paper	approximately 8 ohm peak -Z2	—	visual estimate from plot	Figure Axis Approximate	12933 · Figure 4a · Figure 4a
5-cycle high-Z semicircle peak -Z2	approximately 43 ohm peak -Z2	—	visual estimate from plot	Figure Axis Approximate	12933 · Figure 4a · Figure 4a

incident photon-to-current conversion efficiency spectroscopy

Photoresponse and photoelectrochemistry

2000 rpm TiO2/Co-DAPV device series, 5-30 LbL cycles · Electrode

IPCE spectra of the same 5, 10, 15, 20, and 30 LbL-cycle solid-state solar cells.

Geometry: FTO/TiO2-bl/TiO2-mp/Co-DAPV/Au
Context: composite solar-cell devices with varied Co-DAPV LbL cycles
Measurement source: 12933 · Results · Figure 4b

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
10-cycle peak IPCE	approximately 23% near 530 nm	—	visual estimate from plot	Figure Axis Approximate	12933 · Figure 4b · Figure 4b
15-cycle peak IPCEMarked as a best value within this paper	approximately 26% near 530 nm	—	visual estimate from plot	Figure Axis Approximate	12933 · Figure 4b · Figure 4b
20-cycle peak IPCE	approximately 16% near 530 nm	—	visual estimate from plot	Figure Axis Approximate	12933 · Figure 4b · Figure 4b
30-cycle peak IPCE	approximately 15% near 530 nm	—	visual estimate from plot	Figure Axis Approximate	12933 · Figure 4b · Figure 4b
5-cycle peak IPCE	approximately 8% near 530 nm	—	visual estimate from plot	Figure Axis Approximate	12933 · Figure 4b · Figure 4b

photovoltaic J-V curve

2000 rpm TiO2/Co-DAPV device series, 5-30 LbL cycles · Electrode

Solid-state TiO2-based solar cells with TiO2-mp deposited at 2000 rpm and Co-DAPV sensitized at 5, 10, 15, 20, or 30 LbL cycles; measured under 1 sun illumination.

Geometry: FTO/TiO2-bl/TiO2-mp/Co-DAPV/Au
Context: composite application device using Co-DAPV sensitizer
Measurement source: 12932-12933 · Results · Figure 3a; Table 1

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
lowest efficiency among preliminary replicas	as low as 1.80%	—	—	Text Exact Reported	12932 · Results
10 LbL cycles efficiency	1.55	—	—	Table Exact Reported	12933 · Table 1 · Table 1
10 LbL cycles FF	0.50	—	—	Table Exact Reported	12933 · Table 1 · Table 1
10 LbL cycles Jsc	4.07	—	—	Table Exact Reported	12933 · Table 1 · Table 1
10 LbL cycles Voc	0.61	—	—	Table Exact Reported	12933 · Table 1 · Table 1
15 LbL cycles efficiencyMarked as a best value within this paper	2.10	—	—	Table Exact Reported	12933 · Table 1 · Table 1
15 LbL cycles FFMarked as a best value within this paper	0.57	—	—	Table Exact Reported	12933 · Table 1 · Table 1
15 LbL cycles JscMarked as a best value within this paper	4.92	—	—	Table Exact Reported	12933 · Table 1 · Table 1
15 LbL cycles VocMarked as a best value within this paper	0.67	—	—	Table Exact Reported	12933 · Table 1 · Table 1
20 LbL cycles efficiency	1.12	—	—	Table Exact Reported	12933 · Table 1 · Table 1
20 LbL cycles FF	0.51	—	—	Table Exact Reported	12933 · Table 1 · Table 1
20 LbL cycles Jsc	3.20	—	—	Table Exact Reported	12933 · Table 1 · Table 1
20 LbL cycles VocMarked as a best value within this paper	0.67	—	—	Table Exact Reported	12933 · Table 1 · Table 1
30 LbL cycles efficiency	1.14	—	—	Table Exact Reported	12933 · Table 1 · Table 1
30 LbL cycles FF	0.52	—	—	Table Exact Reported	12933 · Table 1 · Table 1
30 LbL cycles Jsc	3.24	—	—	Table Exact Reported	12933 · Table 1 · Table 1
30 LbL cycles Voc	0.66	—	—	Table Exact Reported	12933 · Table 1 · Table 1
5 LbL cycles efficiency	0.42	—	—	Table Exact Reported	12933 · Table 1 · Table 1
5 LbL cycles FFMarked as a best value within this paper	0.57	—	—	Table Exact Reported	12933 · Table 1 · Table 1
5 LbL cycles Jsc	0.98	—	—	Table Exact Reported	12933 · Table 1 · Table 1
5 LbL cycles Voc	0.58	—	—	Table Exact Reported	12933 · Table 1 · Table 1

photovoltaic J-V curve

spin-coated TiO2 thickness optimisation device series, 20 LbL cycles · Electrode

Mesoporous TiO2 films spin coated at 500, 1000, 2000, and 3000 rpm; Co-DAPV deposited for 20 LbL cycles; J-V under 1 sun illumination.

Geometry: FTO/TiO2-bl/TiO2-mp/Co-DAPV/Au
Context: composite application device using Co-DAPV sensitizer
Measurement source: S-7 · Figure S5 and Table S1 · Figure S5; Table S1

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
1000 rpm device efficiency	0.93	—	—	SI Table Exact Reported	S-7 · Table S1 · Table S1
1000 rpm device FF	0.51	—	—	SI Table Exact Reported	S-7 · Table S1 · Table S1
1000 rpm device Jsc	2.74	—	—	SI Table Exact Reported	S-7 · Table S1 · Table S1
1000 rpm device Voc	0.66	—	—	SI Table Exact Reported	S-7 · Table S1 · Table S1
2000 rpm device efficiencyMarked as a best value within this paper	1.12	—	—	SI Table Exact Reported	S-7 · Table S1 · Table S1
2000 rpm device FF	0.51	—	—	SI Table Exact Reported	S-7 · Table S1 · Table S1
2000 rpm device Jsc	3.20	—	—	SI Table Exact Reported	S-7 · Table S1 · Table S1
2000 rpm device Voc	0.67	—	—	SI Table Exact Reported	S-7 · Table S1 · Table S1
3000 rpm device efficiency	1.00	—	—	SI Table Exact Reported	S-7 · Table S1 · Table S1
3000 rpm device FF	0.42	—	—	SI Table Exact Reported	S-7 · Table S1 · Table S1
3000 rpm device JscMarked as a best value within this paper	3.44	—	—	SI Table Exact Reported	S-7 · Table S1 · Table S1
3000 rpm device VocMarked as a best value within this paper	0.69	—	—	SI Table Exact Reported	S-7 · Table S1 · Table S1
500 rpm device efficiency	0.69	—	—	SI Table Exact Reported	S-7 · Table S1 · Table S1
500 rpm device FFMarked as a best value within this paper	0.65	—	—	SI Table Exact Reported	S-7 · Table S1 · Table S1
500 rpm device Jsc	1.75	—	—	SI Table Exact Reported	S-7 · Table S1 · Table S1
500 rpm device Voc	0.60	—	—	SI Table Exact Reported	S-7 · Table S1 · Table S1