Spectroscopy — Nanocubic bimetallic organic framework self-templated from Ni precursor as efficient electrocatalysts for oxygen evolution reaction

3 measurement groups · 24 results

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

FT-IR spectroscopy

Infrared spectroscopy

Ni NCs@MIL-53(NiFe), optimised Ni NCs:FeCl2 mass ratio 3 · Powder

Bruker Tensor 27 at room temperature; compared with terephthalic acid.

Geometry: powder
Context: target mixed-metal/composite MOF
Measurement source: 11707 · Structural characterizations · Fig. 3a

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
FT-IR benzene C-H vibration	746 cm^-1	—	—	Text Exact Reported	11710 · Morphology and structure characterization · Fig. 3a
FT-IR para-aromatic C-H band	1502 cm^-1	—	—	Text Exact Reported	11709-11710 · Morphology and structure characterization · Fig. 3a
FT-IR Fe-O / metal-oxygen band	557 cm^-1	—	—	Text Exact Reported	11710 · Morphology and structure characterization · Fig. 3a
FT-IR metal/carboxyl band	1375 cm^-1	—	—	Text Exact Reported	11710 · Morphology and structure characterization · Fig. 3a
FT-IR metal/carboxyl band	1583 cm^-1	—	—	Text Exact Reported	11710 · Morphology and structure characterization · Fig. 3a
FT-IR O-H stretching band	3422 cm^-1	—	—	Text Exact Reported	11710 · Morphology and structure characterization · Fig. 3a
FT-IR O-H stretching band	3591 cm^-1	—	—	Text Exact Reported	11709-11710 · Morphology and structure characterization · Fig. 3a

Raman spectroscopy

Ni NCs@MIL-53(NiFe), optimised Ni NCs:FeCl2 mass ratio 3 · Powder

RENISHAW inVia, excitation wavelength 785 nm; compared with terephthalic acid.

Geometry: powder
Context: target mixed-metal/composite MOF
Measurement source: 11707 · Structural characterizations · Fig. 3b

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Raman C-H stretching-region component	631 cm^-1	—	—	Text Exact Reported	11710 · Morphology and structure characterization · Fig. 3b
Raman C-H stretching-region component	809 cm^-1	—	—	Text Exact Reported	11710 · Morphology and structure characterization · Fig. 3b
Raman C-H stretching-region component	864 cm^-1	—	—	Text Exact Reported	11710 · Morphology and structure characterization · Fig. 3b
Raman carboxylate stretching doublet	1441 cm^-1	—	—	Text Exact Reported	11710 · Morphology and structure characterization · Fig. 3b
Raman carboxylate stretching doublet	1614 cm^-1	—	—	Text Exact Reported	11710 · Morphology and structure characterization · Fig. 3b

X-ray photoelectron spectroscopy (XPS)

X-ray photoelectron spectroscopy

Ni NCs@MIL-53(NiFe), optimised Ni NCs:FeCl2 mass ratio 3 · Powder

Thermo VG ESCALAB 250 X-ray photoelectron spectrometer, Al Kalpha source, pressure about 2 x 10^-9 Pa.

Atmosphere: high vacuum
Geometry: powder
Context: target mixed-metal/composite MOF
Measurement source: 11707 · Structural characterizations · Fig. 2b-f

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
C 1s C-C component	284.8 eV	—	—	Text Exact Reported	11708 · Morphology and structure characterization · Fig. 2c
C 1s Ni(Fe)-C component	283.2 eV	—	—	Text Exact Reported	11708 · Morphology and structure characterization · Fig. 2c
Fe 2p1/2 binding energy	726.0 eV	—	—	Text Exact Reported	11709 · Morphology and structure characterization · Fig. 2e
Fe 2p3/2 binding energy	around 712.1 eV	—	—	Text Approximate	11709 · Morphology and structure characterization · Fig. 2e
Ni 2p1/2 Ni-O component	873.9 eV	—	—	Text Exact Reported	11709 · Morphology and structure characterization · Fig. 2f
Ni 2p1/2 Ni-OH component	876.0 eV	—	—	Text Exact Reported	11709 · Morphology and structure characterization · Fig. 2f
Ni 2p3/2 Ni-O component	856.0 eV	—	—	Text Exact Reported	11709 · Morphology and structure characterization · Fig. 2f
Ni 2p3/2 Ni-OH component	859.4 eV	—	—	Text Exact Reported	11709 · Morphology and structure characterization · Fig. 2f
Ni 2p satellite peak	862.0 eV	—	—	Text Exact Reported	11709 · Morphology and structure characterization · Fig. 2f
Ni 2p satellite peak	879.6 eV	—	—	Text Exact Reported	11709 · Morphology and structure characterization · Fig. 2f
O 1s carboxylate oxygen component	532.0 eV	—	—	Text Exact Reported	11709 · Morphology and structure characterization · Fig. 2d
O 1s Fe(Ni)-O component	530.8 eV	—	—	Text Exact Reported	11709 · Morphology and structure characterization · Fig. 2d