Electrochemistry Application

Visible-light dye degradation universality tests

Complex 1 powder catalyst used for MB/dye degradation · Powder

Rhodamine B, methyl orange, malachite green, crystal violet and Eosin Y degradation by complex 1 within 50 min

Atmosphere: aqueous, air not specified
Geometry: slurry photocatalysis
Context: pristine complex 1
Measurement source: p.450 · Recyclability and Universality of Complex 1 · Figure 6b

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Complex 1 degradation efficiency for CV	99.1% within 50 min	—	—	Text Exact Reported	p.450 · Recyclability and Universality of Complex 1 · Figure 6b
Complex 1 degradation efficiency for Eosin Y	100% within 50 min	—	—	Text Exact Reported	p.450 · Recyclability and Universality of Complex 1 · Figure 6b
Complex 1 degradation efficiency for MG	94.8% within 50 min	—	—	Text Exact Reported	p.450 · Recyclability and Universality of Complex 1 · Figure 6b
Complex 1 degradation efficiency for MO	90.6% within 50 min	—	—	Text Exact Reported	p.450 · Recyclability and Universality of Complex 1 · Figure 6b
Complex 1 degradation efficiency for RhB	92.7% within 50 min	—	—	Text Exact Reported	p.450 · Recyclability and Universality of Complex 1 · Figure 6b

Visible-light photocatalytic degradation of methylene blue monitored by UV-vis

UV-visible and optical absorption spectroscopy

Complex 1 powder catalyst used for MB/dye degradation · Powder

50 mL MB solution, 300 W Xe lamp with 420 nm cut-off; typical 10 mg/L MB, 30 mg catalyst 1, 100 mM H2O2; 25 C; 30 min dark adsorption before irradiation

Temperature: 298
Atmosphere: aqueous, air not specified
Geometry: quartz reactor slurry
Context: pristine catalysts
Measurement source: p.444 · Photocatalytic Reaction · Figures 4-5

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Complex 1 catalyst dosage trend	degradation improved from 0.2 to 0.6 g/L; reduced at higher catalyst concentration	—	—	Text Rounded Reported	p.449 · Catalytic Performance · Figure 5b
H2O2 concentration trend	degradation increased from 10 to 100 mM and plateaued at higher H2O2	—	—	Text Rounded Reported	p.449 · Catalytic Performance · Figure 5c
Complex 1 degradation of 40 ppm MB in 50 min	96.2% of 40 ppm MB within 50 min	—	—	Text Rounded Reported	p.448-449 · Catalytic Performance · Figures 4e,f; Figure 5d-f
MB degradation using complex 1 + H2O2 under visible light after 20 min	88.3% in 20 min	—	—	Text Rounded Reported	p.448-449 · Catalytic Performance · Figures 4e,f; Figure 5d-f
MB degradation using complex 1 + H2O2 under visible light after 50 minMarked as a best value within this paper	>99% in 50 min	—	—	Text Rounded Reported	p.448-449 · Catalytic Performance · Figures 4e,f; Figure 5d-f
MB degradation using complex 1 + H2O2 in dark	43.5% within 50 min	—	—	Text Rounded Reported	p.448-449 · Catalytic Performance · Figures 4e,f; Figure 5d-f
Complex 1+H2O2 rate multiple versus complex 2+H2O2	3.2 times higher	—	—	Text Rounded Reported	p.448 · Catalytic Performance · Figure 4d
Complex 1+H2O2 rate multiple versus complex 3+H2O2	2.0 times higher	—	—	Text Rounded Reported	p.448 · Catalytic Performance · Figure 4d
Complex 1 MB degradation rate constant with H2O2Marked as a best value within this paper	k = 0.09557 min-1	—	—	Text Exact Reported	p.448 · Catalytic Performance · Figure 4d
Complex 2 MB degradation rate constant with H2O2	k = 0.03004 min-1	—	—	Text Exact Reported	p.448 · Catalytic Performance · Figure 4d
Complex 3 MB degradation rate constant with H2O2	k = 0.04718 min-1	—	—	Text Exact Reported	p.448 · Catalytic Performance · Figure 4d
Complex 1 MB degradation rate constant without H2O2Marked as a best value within this paper	k = 0.01433 min-1	—	—	Text Exact Reported	p.448 · Catalytic Performance · Figure 4b
Complex 2 MB degradation rate constant without H2O2	k = 0.00661 min-1	—	—	Text Exact Reported	p.448 · Catalytic Performance · Figure 4b
Complex 3 MB degradation rate constant without H2O2	k = 0.00793 min-1	—	—	Text Exact Reported	p.448 · Catalytic Performance · Figure 4b
MB degradation using complex 1 alone under visible light	51.7% within 50 min	—	—	Text Rounded Reported	p.448-449 · Catalytic Performance · Figures 4e,f; Figure 5d-f
MB degradation using H2O2 alone under visible light	24.7% within 50 min	—	—	Text Rounded Reported	p.448-449 · Catalytic Performance · Figures 4e,f; Figure 5d-f
Complex 1 MB removal at pH 4	93.4%	—	—	Text Rounded Reported	p.448-449 · Catalytic Performance · Figures 4e,f; Figure 5d-f
Complex 1 MB degradation at pH 5.5 and 7	>99% of MB was degraded	—	—	Text Approximate	p.449 · Catalytic Performance · Figure 5d
Complex 1 MB removal at pH 9	91.9%	—	—	Text Rounded Reported	p.448-449 · Catalytic Performance · Figures 4e,f; Figure 5d-f
Complex 1 recyclability after five cycles	degradation performance did not reduce after five consecutive cycles	—	—	Text Qualitative	p.449-450 · Recyclability and Universality of Complex 1 · Figure 6a
Complex 1 Table S4 catalyst amount	30 mg	—	—	SI Table Exact Reported	SI p.7 · Table S4 · Table S4
Complex 1 Table S4 MB concentration	20 mg/L	—	—	SI Table Exact Reported	SI p.7 · Table S4 · Table S4
Complex 1 Table S4 MB removal efficiencyMarked as a best value within this paper	99.3%	—	—	SI Table Exact Reported	SI p.7 · Table S4 · Table S4
Complex 1 Table S4 MB degradation time	50 min	—	—	SI Table Exact Reported	SI p.7 · Table S4 · Table S4

Radical scavenger tests and EPR with TEMPO/DMPO

Electron paramagnetic resonance

Complex 1 powder catalyst used for MB/dye degradation · Powder

TBA, EDTA-2Na and TEMPOL added as scavengers; EPR used to detect h+ and hydroxyl radical related signals

Atmosphere: aqueous, air not specified
Geometry: slurry photocatalysis/EPR
Context: pristine complex 1
Measurement source: p.450-451 · Photocatalytic Mechanism · Figure 7b-d

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Primary active species	hydroxyl radical and holes	—	—	Text Qualitative	p.450 · Photocatalytic Mechanism · Figure 7b-d
DMPO hydroxyl radical EPR response	distinct signal with H2O2; enhanced under visible light	—	—	Text Qualitative	p.451 · Photocatalytic Mechanism · Figure 7d
MB degradation with EDTA-2Na scavenger	decreased from 99.2 to 60.6%	—	—	Text Rounded Reported	p.450 · Photocatalytic Mechanism · Figure 7b
MB degradation with TBA scavenger	decreased from 99.2 to 79.3%	—	—	Text Rounded Reported	p.450 · Photocatalytic Mechanism · Figure 7b
MB degradation with TEMPOL scavenger	remained almost unaffected	—	—	Text Qualitative	p.450 · Photocatalytic Mechanism · Figure 7b

Transient photocurrent response (I-t) under intermittent illumination

Photoresponse and photoelectrochemistry

Complex 1 reddish-brown acicular crystals · Single Crystal

Photoelectrochemical response of complexes 1-3 under intermittent illumination; electrolyte/electrode fabrication details not reported in extracted text

Geometry: photoelectrochemical electrode, details not specified
Context: pristine
Measurement source: p.448 · Electrochemical Analysis · Figure 3c

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Complex 1 approximate photocurrent density peakMarked as a best value within this paper	approximately 95-100 nA cm-2 from plot	—	—	Figure Axis Approximate	p.447, rendered page 6 · Electrochemical Analysis · Figure 3c
Transient photocurrent orderingMarked as a best value within this paper	complex 1 stronger than complexes 2 and 3	—	—	Text Qualitative	p.448 · Electrochemical Analysis · Figure 3c

4 measurement groups · 36 results