Spectroscopy — Fe–O–Zr in MOF for effective photo-Fenton Bisphenol A degradation: Boosting mechanism of electronic transmission

6 measurement groups · 15 results

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

FeUiO-X series · Powder

FTIR comparison of UiO-66 and FeUiO-X to assess BDC-Zr and Fe-O-Zr interaction.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
FTIR evidence for Fe-O-Zr formation	Zr and Fe characteristic peaks gradually shifted with Fe doping; addition of Fe affected electronic structure of Zr-O, indicating Fe-O-Zr.	—	—	Text Qualitative	3 · 3.1 Morphologies and structures · Fig. 1c

FeUiO-X series · Powder

PL at 450 nm excitation and 298 K; emission peaks around 590 nm.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
FeUiO-1 PL intensity lower than UiO-66Marked as a best value within this paper	FeUiO-1 nanoparticles showed lower PL intensity compared to UiO-66	—	—	Text Qualitative	5 · 3.2 Optical Fenton performance · Fig. 3a

FeUiO-1 · Powder

Zr 3d and Fe 2p XPS after reaction under different combinations of H2O2, visible light and BPA.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Fe(II) content after reaction	Fe(II) changed from 48.2% to 53.6% after the reaction	—	initial 48.2%	Text Exact Reported	11 · 3.5 Possible degradation mechanism · Fig. 8e

FeUiO-1 · Powder

p-BQ, EDTA-2Na, TBA, FFA, MeOH and PO4(3-) scavenging; EPR detection of hydroxyl and superoxide radicals.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Main reactive species	OH radicals and h+ are main active species; O2.- acts as secondary role; no singlet oxygen detected	—	—	Text Qualitative	10 · 3.5 Possible degradation mechanism · Fig. 7
Phosphate inhibition identifies Fe active site	10 mM phosphate ions almost completely inhibit Fenton reaction	—	—	Text Qualitative	10 · 3.5 Possible degradation mechanism · Fig. 7a

FeUiO-X series · Powder

Indirect semiconductor Tauc analysis with n = 4.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Absorption edge red-shift after Fe doping	absorption edge red-shifted to visible region, about 560 nm	—	—	Text Approximate	5 · 3.2 Optical Fenton performance · Fig. S4 referenced
FeUiO-0.05 bandgap from Tauc plot	3.37 eV	—	—	Figure Axis Approximate	5 · 3.2 Optical Fenton performance · Fig. 3b
FeUiO-0.1 bandgap from Tauc plot	2.09 eV	—	—	Figure Axis Approximate	5 · 3.2 Optical Fenton performance · Fig. 3b
FeUiO-0.5 bandgap from Tauc plot	2.12 eV	—	—	Figure Axis Approximate	5 · 3.2 Optical Fenton performance · Fig. 3b
FeUiO-1 bandgapMarked as a best value within this paper	2.02 eV	—	—	Text Exact Reported	5 · 3.2 Optical Fenton performance · Fig. 3b
FeUiO-2 bandgap from Tauc plot	2.20 eV	—	—	Figure Axis Approximate	5 · 3.2 Optical Fenton performance · Fig. 3b
UiO-66 bandgap	3.89 eV	—	—	Text Exact Reported	1 · Abstract · Fig. 3b

FeUiO-1 · Powder

XPS survey and high-resolution Fe 2p, Zr 3d, O 1s and C 1s spectra.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Average Fe valence in FeUiO-1 from Fe 2p XPS	average valence of 2.512	—	—	Text Exact Reported	4 · 3.1 Morphologies and structures · Fig. 2b
New O 1s peaks after Fe addition	FeUiO-1 O 1s spectrum showed two new peaks after addition of Fe	—	—	Text Qualitative	4 · 3.1 Morphologies and structures · Fig. 2d
Fe 2p binding energies in FeUiO-1	Fe 2p3/2 and Fe 2p1/2 centred at about 711.60 eV and 725.28 eV	—	—	Text Approximate	4 · 3.1 Morphologies and structures · Fig. 2b