Spectroscopy — Tailoring of electrocatalytic oxygen evolution reaction performance of 2D conductive Co-catecholate metal-organic frameworks

Measurement evidence

Spectroscopy

Tailoring of electrocatalytic oxygen evolution reaction performance of 2D conductive Co-catecholate metal-organic frameworks · T P., Narayana M.L., N․K․ M. et al. · Electrochimica Acta · 2025 · 145343

5 measurement groups · 28 results

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

FTIR spectroscopy

Co-CAT-W · Powder

IRTracer-100 spectrometer; KBr mode; 4000-400 cm-1.

Atmosphere
ambient/not reported
Context
NMP-associated Co-CAT-W powder
Measurement source
3 · 2.3. Characterization · Fig. 2
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Co-O stretching bands622 and 537 cm-1 assigned to Co-O stretching vibrationText
Rounded Reported
4 · 3.1 Structural and vibrational analysis · Fig. 2
NMP-associated FTIR peak1639 cm-1 attributed to NMPText
Exact Reported
4 · 3.1. Structural and vibrational analysis · Fig. 2

FTIR spectroscopy

Co-CAT-WO · Powder

IRTracer-100 spectrometer; KBr mode; 4000-400 cm-1.

Atmosphere
ambient/not reported
Context
pristine Co-CAT-WO powder
Measurement source
3-4 · 2.3 Characterization; 3.1 Structural and vibrational analysis · Fig. 2
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Shifted HHTP-related Co-CAT FTIR peaks3127 and 1213 cm-1 for Co-CAT-W and Co-CAT-WOText
Rounded Reported
4 · 3.1 Structural and vibrational analysis · Fig. 2
HHTP O-H stretching peak3189 cm-1 for HHTP O-H stretchingText
Rounded Reported
3 · 3.1 Structural and vibrational analysis · Fig. 2

Post-OER SEM, XPS, and Raman

Co-CAT-W after OER testing · Electrode

Post-OER characterisation of Co-CAT-W after OER testing; SI figures S1-S3 referenced.

Atmosphere
post-OER; vacuum spectroscopy/microscopy
Geometry
post-OER electrode/catalyst
Context
derived post-OER Co-CAT-W
Measurement source
9 · 3.6. Post-OER studies · Fig. S1-S3; Table S1
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Post-OER Co 2p1/2 binding energy~798 eVText
Approximate
10 · 3.6 Post-OER studies · Fig. S2
Post-OER Co 2p3/2 binding energy~782.2 eV~Text
Approximate
9 · 3.6. Post-OER studies · Fig. S2b
Post-OER Co 2p satellite peak787.3 eVText
Exact Reported
10 · 3.6 Post-OER studies · Fig. S2
Post-OER Co 2p satellite peak803 eVText
Exact Reported
10 · 3.6 Post-OER studies · Fig. S2
Post-OER new Co3+ Co 2p3/2 peak781.5 eVText
Exact Reported
10 · 3.6. Post-OER studies · Fig. S2b
Post-OER new Co3+ Co 2p1/2 peak796.5 eVText
Exact Reported
10 · 3.6 Post-OER studies · Fig. S2
Post-OER O 1s metal-oxygen peak531.4 eVText
Exact Reported
10 · 3.6 Post-OER studies · Fig. S2
Post-OER O 1s metal-hydroxide peak532.9 eVText
Exact Reported
10 · 3.6 Post-OER studies · Fig. S2
Post-OER O 1s CoOOH peak529.9 eVText
Exact Reported
10 · 3.6. Post-OER studies · Fig. S2d
Post-OER O 1s adsorbed water peak534 eVText
Exact Reported
10 · 3.6 Post-OER studies · Fig. S2
Post-OER Raman Co-OOH peak505 cm-1aroundText
Approximate
10 · 3.6. Post-OER studies · Fig. S3; Table S1
Post-OER Raman Co-OOH peak599 cm-1aroundText
Approximate
10 · 3.6. Post-OER studies · Fig. S3; Table S1
Post-OER Raman Co-OOH peak670 cm-1aroundText
Approximate
10 · 3.6. Post-OER studies · Fig. S3; Table S1
Pre-OER Raman Co-O bending peak450 cm-1; bending Co-O bondSI Table
Exact Reported
3 · Table S1 · Table S1
Pre-OER Raman cobalt hydroxide peak344 cm-1; Co(OH)2SI Table
Exact Reported
3 · Table S1 · Table S1
Post-OER Raman Co-OOH band rangeMarked as a best value within this paper500-670 cm-1; Co-OOHSI Table
Range
3 · Table S1 · Table S1

EDX and XPS

Co-CAT-W · Powder

EDX elemental analysis; XPS on ESCALAB 250 XI with Al K alpha source.

Atmosphere
vacuum
Context
NMP-associated Co-CAT-W powder
Measurement source
5 · 3.4. Surface elemental composition analysis · Fig. 6b,d,f,h; Table 1
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
C elemental weight percentage71.54 wt. %Table
Exact Reported
8 · Table 1 · Table 1
Co 2p1/2 binding energy797.4 eVText
Exact Reported
5 · 3.4. Surface elemental composition analysis · Fig. 6d
Co 2p3/2 binding energy781.5 eVText
Exact Reported
5 · 3.4. Surface elemental composition analysis · Fig. 6d
Co elemental weight percentageMarked as a best value within this paper0.77 wt. %Table
Exact Reported
8 · Table 1 · Table 1
O elemental weight percentage27.7 wt. %Table
Exact Reported
8 · Table 1 · Table 1

EDX and XPS

Co-CAT-WO · Powder

EDX elemental analysis; XPS on ESCALAB 250 XI with Al K alpha source.

Atmosphere
vacuum
Context
pristine Co-CAT-WO powder
Measurement source
4 · 3.4. Surface elemental composition analysis · Fig. 6a,c,e,g; Table 1
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
C elemental weight percentage71.03 wt. %Table
Exact Reported
8 · Table 1 · Table 1
Co elemental weight percentage0.35 wt. %Table
Exact Reported
8 · Table 1 · Table 1
O elemental weight percentage28.62 wt. %Table
Exact Reported
8 · Table 1 · Table 1