Electrochemistry Application — A Copper Coordination Polymer with Matching Energy Level for Modifying Hole Transport Layers to Improve the Performance of Perovskite Solar Cells

9 measurement groups · 44 results

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

cyclic voltammetry

Voltammetry

as-prepared Cu-bix pale-yellow crystals · Single Crystal

Gamry electrochemical workstation; Pt working plate, Pt counter, Ag/AgCl reference; 0.1 M Bu4NPF6 in chlorobenzene; 50 mV s-1; Fc/Fc+ internal standard.

Geometry: three-electrode electrochemical cell
Context: pristine Cu-bix
Measurement source: p009 / journal page 2771 · Characterization · Figure 2d

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
HOMO energy levelMarked as a best value within this paper	-5.51 eV	-5.51 eV	—	Text Exact Reported	p002 / journal page 2764 · Results and Discussion · Figure 2d
LUMO energy level	-3.43 eV	-3.43 eV	—	Text Exact Reported	p003 / journal page 2765 · Results and Discussion · Figure 2d

current density-voltage (J-V) solar-cell measurement

optimised Cu-bix-doped PSC · Electrode

Gamry interface 1000E with Oriel 300 W solar simulator, 100 mW cm-2 in air, scan rate 100 mV s-1, active area 0.06 cm2.

Atmosphere: air
Geometry: FTO/TiO2/perovskite/Cu-bix-doped HTL/Au
Context: Cu-bix-doped PSC
Measurement source: p006 / journal page 2768 · Results and Discussion · Figure 5c

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
fill factor, Cu-bix-doped PSCMarked as a best value within this paper	0.75	0.75	—	Text Exact Reported	p006 / journal page 2768 · Results and Discussion · Figure 5c
short-circuit current density, Cu-bix-doped PSCMarked as a best value within this paper	23.46 mA cm-2	23.46 mA cm-2	—	Text Exact Reported	p006 / journal page 2768 · Results and Discussion · Figure 5c
best PCE, Cu-bix-doped PSCMarked as a best value within this paper	18.47 %	18.47 %	—	Text Exact Reported	p006 / journal page 2768 · Results and Discussion · Figure 5c
open-circuit voltage, Cu-bix-doped PSCMarked as a best value within this paper	1.05 V	1.05 V	—	Text Exact Reported	p006 / journal page 2768 · Results and Discussion · Figure 5c
hysteresis factor, Cu-bix-doped PSCMarked as a best value within this paper	0.07	0.07	—	Text Exact Reported	p006 / journal page 2768 · Results and Discussion · Figure S12 referenced
PCE with Cu-bix as separate additive	11.61 %	11.61 %	—	Text Exact Reported	p004 / journal page 2766 · Results and Discussion · Figure S5 referenced

unencapsulated PSC ambient stability

optimised Cu-bix-doped PSC · Electrode

Stored in air in the dark under ambient conditions, humidity about 30% and temperature about 25 C.

Temperature: 298
Atmosphere: ambient air, about 30% humidity, dark
Geometry: unencapsulated PSC devices
Context: Cu-bix-doped PSC compared with pristine PSC
Measurement source: p007-p008 / journal pages 2769-2770 · Results and Discussion · Figure 7c

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
PCE retained after 720 h, Cu-bix-doped PSCMarked as a best value within this paper	85% of initial PCE retained after 720 h	85 % retained	—	Text Exact Reported	p007-p008 / journal pages 2769-2770 · Results and Discussion · Figure 7c
PCE retained after 720 h, pristine PSC	attenuated 35%; approximately 65% retained after 720 h	65 % retained	calculated from reported 35% attenuation	Calculated From Reported Exact Reported	p007-p008 / journal pages 2769-2770 · Results and Discussion · Figure 7c

forward and reverse scan J-V hysteresis comparison

optimised Cu-bix-doped PSC · Electrode

J-V curves of devices with and without Cu-bix doping in forward and reverse scanning directions.

Atmosphere: air
Geometry: PSC devices with and without Cu-bix doping
Context: Cu-bix-doped PSC compared with pristine PSC
Measurement source: p008 / SI page 7 · Supporting Information · Figure S12

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
FF, Cu-bix forward scan	0.697	—	—	Visual Estimate Exact Reported	p008 / SI page 7 · Supporting Information · Figure S12
Jsc, Cu-bix forward scan	23.63 mA cm-2	23.63 mA cm-2	—	Visual Estimate Exact Reported	p008 / SI page 7 · Supporting Information · Figure S12
PCE, Cu-bix forward scan	17.01 %	17.01 %	—	Visual Estimate Exact Reported	p008 / SI page 7 · Supporting Information · Figure S12
Voc, Cu-bix forward scan	1.033 V	1.033 V	—	Visual Estimate Exact Reported	p008 / SI page 7 · Supporting Information · Figure S12
FF, Cu-bix reverse scan	0.741	—	—	Visual Estimate Exact Reported	p008 / SI page 7 · Supporting Information · Figure S12
Jsc, Cu-bix reverse scan	23.60 mA cm-2	23.6 mA cm-2	—	Visual Estimate Exact Reported	p008 / SI page 7 · Supporting Information · Figure S12
PCE, Cu-bix reverse scanMarked as a best value within this paper	18.26 %	18.26 %	—	Visual Estimate Exact Reported	p008 / SI page 7 · Supporting Information · Figure S12
Voc, Cu-bix reverse scan	1.044 V	1.044 V	—	Visual Estimate Exact Reported	p008 / SI page 7 · Supporting Information · Figure S12
FF, pristine forward scan	0.635	—	—	Visual Estimate Exact Reported	p008 / SI page 7 · Supporting Information · Figure S12
Jsc, pristine forward scan	23.17 mA cm-2	23.17 mA cm-2	—	Visual Estimate Exact Reported	p008 / SI page 7 · Supporting Information · Figure S12
PCE, pristine forward scan	14.89 %	14.89 %	—	Visual Estimate Exact Reported	p008 / SI page 7 · Supporting Information · Figure S12
Voc, pristine forward scan	1.012 V	1.012 V	—	Visual Estimate Exact Reported	p008 / SI page 7 · Supporting Information · Figure S12
FF, pristine reverse scan	0.694	—	—	Visual Estimate Exact Reported	p008 / SI page 7 · Supporting Information · Figure S12
Jsc, pristine reverse scan	23.02 mA cm-2	23.02 mA cm-2	—	Visual Estimate Exact Reported	p008 / SI page 7 · Supporting Information · Figure S12
PCE, pristine reverse scan	16.25 %	16.25 %	—	Visual Estimate Exact Reported	p008 / SI page 7 · Supporting Information · Figure S12
Voc, pristine reverse scan	1.017 V	1.017 V	—	Visual Estimate Exact Reported	p008 / SI page 7 · Supporting Information · Figure S12

current density-voltage (J-V) solar-cell measurement

reference pristine PSC · Electrode

Gamry interface 1000E with Oriel 300 W solar simulator, 100 mW cm-2 in air, scan rate 100 mV s-1, active area 0.06 cm2.

Atmosphere: air
Geometry: FTO/TiO2/perovskite/reference HTL/Au
Context: reference PSC
Measurement source: p008 / journal page 2770 · Characterization · Figure 5c

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
hysteresis factor, pristine PSC	0.08	0.08	—	Text Exact Reported	p006 / journal page 2768 · Results and Discussion · Figure S12 referenced
PCE without additives in preliminary test	7.32 %	7.32 %	—	Text Exact Reported	p004 / journal page 2766 · Results and Discussion · Figure S5 referenced
fill factor, pristine reference PSC	0.70	0.7	—	Text Exact Reported	p006 / journal page 2768 · Results and Discussion · Figure 5c
short-circuit current density, pristine reference PSC	23.01 mA cm-2	23.01 mA cm-2	—	Text Exact Reported	p006 / journal page 2768 · Results and Discussion · Figure 5c
best PCE, pristine reference PSC	16.52 %	16.52 %	—	Text Exact Reported	p006 / journal page 2768 · Results and Discussion · Figure 5c
open-circuit voltage, pristine reference PSC	1.02 V	1.02 V	—	Text Exact Reported	p006 / journal page 2768 · Results and Discussion · Figure 5c

PCE distribution box plot for Cu-bix concentration series

Cu-bix-doped PSC concentration series · Electrode

Ten cells for each group; HTM reference and Cu 1-4 to Cu 4-4 Cu-bix loading series.

Geometry: PSC devices with concentration-varied Cu-bix-doped HTLs
Context: Cu-bix concentration series compared with HTM reference
Measurement source: p006 / SI page 5 · Supporting Information · Figure S9

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
optimised Cu-bix concentration labelMarked as a best value within this paper	Cu 3-4 = 0.3 mg mL-1 Cu-bix	0.3 mg mL-1	—	Calculated From Reported Exact Reported	p008 / journal page 2770 · Experimental Section - Device fabrication · Figure S9 context
Cu 1-4 median PCE	~16.5 % from box plot	16.5 %	visual box-plot estimate	Figure Axis Approximate	p006 / SI page 5 · Supporting Information · Figure S9
Cu 2-4 median PCE	~17.5 % from box plot	17.5 %	visual box-plot estimate	Figure Axis Approximate	p006 / SI page 5 · Supporting Information · Figure S9
Cu 3-4 median PCEMarked as a best value within this paper	~17.9 % from box plot	17.9 %	visual box-plot estimate	Figure Axis Approximate	p006 / SI page 5 · Supporting Information · Figure S9
Cu 4-4 median PCE	~17.4 % from box plot	17.4 %	visual box-plot estimate	Figure Axis Approximate	p006 / SI page 5 · Supporting Information · Figure S9
HTM reference median PCE	~16.0 % from box plot	16 %	visual box-plot estimate	Figure Axis Approximate	p006 / SI page 5 · Supporting Information · Figure S9

incident photon-to-electron conversion efficiency (IPCE)

Photoresponse and photoelectrochemistry

optimised Cu-bix-doped PSC · Electrode

Newport IPCE measurement system; light intensity calibrated with silicon detector; integrated Jsc calculated for Cu-bix-doped and pristine PSCs.

Geometry: PSC devices with and without Cu-bix doping
Context: Cu-bix-doped PSC compared with pristine PSC
Measurement source: p006 / journal page 2768 · Results and Discussion; Characterization · Figure S11 referenced

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
integrated Jsc, Cu-bix-doped PSCMarked as a best value within this paper	23.12 mA cm-2	23.12 mA cm-2	—	Text Exact Reported	p006 / journal page 2768 · Results and Discussion · Figure S11 referenced
integrated Jsc, pristine PSC	22.65 mA cm-2	22.65 mA cm-2	—	Text Exact Reported	p006 / journal page 2768 · Results and Discussion · Figure S11 referenced

PCE statistical analysis

optimised Cu-bix-doped PSC · Electrode

PCE statistics for no less than 30 cells; Figure 5d caption states 35 cells for each group.

Geometry: PSC devices with and without Cu-bix doping
Context: Cu-bix-doped PSC compared with pristine PSC
Measurement source: p006-p007 / journal pages 2768-2769 · Results and Discussion · Figure 5d

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
average PCE, Cu-bix-doped PSCsMarked as a best value within this paper	17.62 +/- 0.84 %	17.62 %	+/- 0.84 %	Text Exact Reported	p007 / journal page 2769 · Results and Discussion · Figure 5d
average PCE, pristine PSCs	16.05 +/- 0.74 %	16.05 %	+/- 0.74 %	Text Exact Reported	p007 / journal page 2769 · Results and Discussion · Figure 5d

steady-state power output at maximum power point

optimised Cu-bix-doped PSC · Electrode

Optimised Cu-bix-doped PSC held at maximum power point for 300 s.

Geometry: optimised Cu-bix-doped PSC
Context: Cu-bix-doped PSC
Measurement source: p008 / SI page 7 · Supporting Information · Figure S13

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
steady-state current density at maximum power point	20.78 mA cm-2	20.78 mA cm-2	—	Visual Estimate Exact Reported	p008 / SI page 7 · Supporting Information · Figure S13
steady-state PCE at maximum power pointMarked as a best value within this paper	18.37 %	18.37 %	—	Visual Estimate Exact Reported	p008 / SI page 7 · Supporting Information · Figure S13