Spectroscopy — Regulating Electronic Structure of Bimetallic NiFe-THQ Conductive Metal–Organic Frameworks to Boost Catalytic Activity for Oxygen Evolution Reaction

Measurement evidence

Spectroscopy

Regulating Electronic Structure of Bimetallic NiFe-THQ Conductive Metal–Organic Frameworks to Boost Catalytic Activity for Oxygen Evolution Reaction · Zhao L., Yan J., Huang H. et al. · Advanced Functional Materials · 2024 · 2310902

2 measurement groups · 16 results

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

FT-IR and Raman spectroscopy

Infrared spectroscopy Raman spectroscopy

NixFe1-x-THQ series · Powder

FT-IR and Raman confirmation of metal-ligand coordination in NixFe1-x-THQ.

Context: pristine c-MOF powder series
Measurement source: p002 · 2.1 Material Synthesis and Structural Characterizations · Figure 1e-f; Figure S4-S5

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
THQ hydroxyl vibration peak	3496 cm^-1; disappears in all NixFe1-x-THQ	—	—	Text Rounded Reported	p002 · 2.1 Material Synthesis and Structural Characterizations · Figure 1e-f; Figure S4-S5
THQ hydroxyl vibration peak	3369 cm^-1; disappears in all NixFe1-x-THQ	—	—	Text Rounded Reported	p002 · 2.1 Material Synthesis and Structural Characterizations · Figure 1e-f; Figure S4-S5
C=O/conjugated ketone absorption	1623 cm^-1; decreases compared to THQ	—	—	Text Rounded Reported	p002 · 2.1 Material Synthesis and Structural Characterizations · Figure 1e-f; Figure S4-S5
Raman C=O peak	1649 cm^-1; eliminated in NixFe1-x-THQ	—	—	Text Rounded Reported	p002 · 2.1 Material Synthesis and Structural Characterizations · Figure 1e-f; Figure S4-S5
Ni-O Raman peak	561 cm^-1; confirms Ni-O coordination	—	—	Text Rounded Reported	p002 · 2.1 Material Synthesis and Structural Characterizations · Figure 1e-f; Figure S4-S5
Fe-O Raman peak	401 cm^-1; confirms Fe-O coordination	—	—	Text Rounded Reported	p002 · 2.1 Material Synthesis and Structural Characterizations · Figure 1e-f; Figure S4-S5

X-ray photoelectron spectroscopy

X-ray photoelectron spectroscopy

NixFe1-x-THQ series · Powder

High-resolution Fe 2p, Ni 2p and O 1s spectra plus XPS survey spectra.

Context: pristine c-MOF powder series
Measurement source: p004 · 2.1 Material Synthesis and Structural Characterizations · Figure 2

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
C-O O 1s fitting peak	531.59 eV	—	—	Text Rounded Reported	p004 · 2.1 Material Synthesis and Structural Characterizations · Figure 2
Fe2+ 2p1/2 binding energy	723.17 eV	—	—	Text Rounded Reported	p004 · 2.1 Material Synthesis and Structural Characterizations · Figure 2
Fe2+ 2p3/2 binding energy	710.0 eV	—	—	Text Rounded Reported	p004 · 2.1 Material Synthesis and Structural Characterizations · Figure 2
Fe3+ 2p1/2 binding energy	725.74 eV	—	—	Text Rounded Reported	p004 · 2.1 Material Synthesis and Structural Characterizations · Figure 2
Fe3+ 2p3/2 binding energy	712.4 eV	—	—	Text Rounded Reported	p004 · 2.1 Material Synthesis and Structural Characterizations · Figure 2
M-O O 1s fitting peak	530.73 eV	—	—	Text Rounded Reported	p004 · 2.1 Material Synthesis and Structural Characterizations · Figure 2
Ni 2p1/2 binding energy	874.93 eV	—	—	Text Rounded Reported	p004 · 2.1 Material Synthesis and Structural Characterizations · Figure 2
Ni 2p3/2 binding energy	855.88 eV	—	—	Text Rounded Reported	p004 · 2.1 Material Synthesis and Structural Characterizations · Figure 2
Ni 2p3/2 shift with Fe-O6 ratio	shift to higher binding energies with increase of Fe-O6 ratio	—	—	Text Qualitative	p004 · 2.1 Material Synthesis and Structural Characterizations · Figure 2c
O-H O 1s fitting peak	532.9 eV	—	—	Text Rounded Reported	p004 · 2.1 Material Synthesis and Structural Characterizations · Figure 2