Spectroscopy — Creating Dual Active Sites in Conductive Metal-Organic Frameworks for Efficient Water Splitting

4 measurement groups · 26 results

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

FT-IR spectroscopy

Infrared spectroscopy

RuCo-CAT/CC nanorod arrays · Electrode

FT-IR comparison of HHTP, Co-CAT, and RuCo-CAT.

Context: target_sample_vs_pristine_control
Measurement source: article p.3 · Results and Discussion · Figure S4 referenced

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
C=O vibrational peak after partial HHTP oxidation	1632 cm^-1	—	—	Text Rounded Reported	article p.3 · Results and Discussion · Figure S4 referenced

ICP-OES composition analysis

Bulk elemental and compositional analysis

RuCo-CAT/CC nanorod arrays · Electrode

Elemental wt% contents for Co-CAT, RuCo-CAT, IrCo-CAT, and RhCo-CAT.

Geometry: nanorod arrays on CC
Context: target_and_pristine_control
Measurement source: S28-S29 · Table S3; Table S4 · Tables S3-S4

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Co content in Co-CAT	22.1 wt%	—	—	SI Table Exact Reported	S28-S29 · Table S3 · Table S3
Co-CAT/CC mass loading	about 1.5 mg cm^-2	—	—	Text Approximate	S3 · Synthesis of Co-CAT/CC
HER-post RuCo-CAT Co content	18.6 wt%	—	—	SI Table Exact Reported	S29 · Table S4 · Table S4
HER-post RuCo-CAT Ru content	0.8 wt%	—	—	SI Table Exact Reported	S29 · Table S4 · Table S4
OER-post RuCo-CAT Co content	20.3 wt%	—	—	SI Table Exact Reported	S29 · Table S4 · Table S4
OER-post RuCo-CAT Ru content	0.7 wt%	—	—	SI Table Exact Reported	S29 · Table S4 · Table S4
Co content in RuCo-CAT	18.7 wt%	—	—	SI Table Exact Reported	S28-S29 · Table S3 · Table S3
Ru content in RuCo-CAT	0.9 wt%	—	—	SI Table Exact Reported	S28-S29 · Table S3 · Table S3
RuCo-CAT/CC mass loading	about 1.5 mg cm^-2	—	—	Text Approximate	S3 · Synthesis of RuCo-CAT/CC

Ru K-edge and Co K-edge XANES/EXAFS with wavelet transform

X-ray absorption spectroscopy

RuCo-CAT/CC nanorod arrays · Electrode

Coordination and valence analysis of RuCo-CAT and Co-CAT against references.

Context: target_sample_vs_pristine_control
Measurement source: article pp.4-5 · Results and Discussion · Figure 2d-i; Tables S1-S2 referenced

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Co-CAT Co-O EXAFS bond distance	2.06 +/- 0.01 A	—	+/- 0.01	SI Table Exact Reported	S14 · Table S2 · Table S2
RuCo-CAT Co-O EXAFS bond distance	2.07 +/- 0.01 A	—	+/- 0.01	SI Table Exact Reported	S14 · Table S2 · Table S2
Co-O coordination number in Co-CAT and RuCo-CAT	calculated CNs are 6	—	—	Text Rounded Reported	article p.5 · Results and Discussion · Table S2 referenced
Co-CAT Co-O EXAFS coordination number	5.6 +/- 0.5	—	+/- 0.5	SI Table Exact Reported	S14 · Table S2 · Table S2
RuCo-CAT Co-O EXAFS coordination number	5.8 +/- 0.6	—	+/- 0.6	SI Table Exact Reported	S14 · Table S2 · Table S2
Average Co valence state in Co-CAT	about 1.91	—	—	Text Approximate	article p.5 · Results and Discussion · Figures S8-S10 referenced
Average Co valence state in RuCo-CAT	about 2.10	—	—	Text Approximate	article p.5 · Results and Discussion · Figures S8-S10 referenced
Ru-O coordination number in RuCo-CAT	3.7 +/- 0.8	—	+/- 0.8	SI Table Exact Reported	S12 · Table S1 · Table S1
RuCo-CAT Ru K-edge EXAFS R factor	0.013	—	—	SI Table Exact Reported	S12 · Table S1 · Table S1
RuCo-CAT Ru-O EXAFS bond distance	2.00 +/- 0.02 A	—	+/- 0.02	SI Table Exact Reported	S12 · Table S1 · Table S1
RuCo-CAT FT-EXAFS Ru-O peak	1.58 Angstrom	—	—	Text Rounded Reported	article p.5 · Results and Discussion · Figure 2e
Average Ru valence state in RuCo-CAT	about +2.05	—	—	Text Approximate	article p.5 · Results and Discussion · Figure S6 referenced

X-ray photoelectron spectroscopy (XPS)

X-ray photoelectron spectroscopy

RuCo-CAT/CC nanorod arrays · Electrode

Survey, Ru 3p/Ru 3d, Co 2p, C 1s, and O 1s spectra for RuCo-CAT and Co-CAT.

Context: target_sample_vs_pristine_control
Measurement source: article pp.3-5 · Results and Discussion · Figure 2a-c; Figure S5 referenced

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Co-CAT Co 2p3/2 binding energy	780.9 eV	—	—	Text Rounded Reported	article p.4 · Results and Discussion · Figure 2c
Co 2p shift after Ru incorporation	higher binding energies by about 0.7 eV	—	—	Text Approximate	article p.4 · Results and Discussion · Figure 2c
RuCo-CAT Ru 3p1/2 binding energy	485.1 eV	—	—	Text Rounded Reported	article p.3 · Results and Discussion · Figure 2b
RuCo-CAT Ru 3p3/2 binding energy	462.9 eV	—	—	Text Rounded Reported	article p.3 · Results and Discussion · Figure 2b