Diffraction Structure — Nano UiO-66 and UiO-66-NH2 MOFs as Bifunctional Electrocatalysts for Water-Splitting: A Comparative Study

4 measurement groups · 4 results

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

U post-water-splitting SI electrode · Electrode

Repeated electrochemical measurements and stability tests followed by XRD to assess framework structural changes; nickel foam pattern also included.

Geometry: paste-coated nickel foam electrode
Context: UiO-66/PVDF/NF post-reaction electrode
Measurement source: 1-2 · XRD before and after the water-splitting process · Fig. S1

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
post-water-splitting XRD framework peak intensity	7.3 deg MOF peak observed but intensity significantly decreased for U after electrochemical measurements	—	—	Text Qualitative	2 · XRD before and after the water-splitting process · Fig. S1

U-N post-water-splitting SI electrode · Electrode

Repeated electrochemical measurements and stability tests followed by XRD to assess framework structural changes; nickel foam pattern also included.

Geometry: paste-coated nickel foam electrode
Context: UiO-66-NH2/PVDF/NF post-reaction electrode
Measurement source: 1-2 · XRD before and after the water-splitting process · Fig. S1

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
post-water-splitting XRD framework peak intensityMarked as a best value within this paper	7.3 deg MOF peak observed with nearly consistent intensity for U-N after electrochemical measurements	—	—	Text Qualitative	2 · XRD before and after the water-splitting process · Fig. S1

UiO-66 powder, labelled U · Powder

2theta range 10-60 deg at room temperature; compared with simulated UiO-66 CIF 4512072.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
indexed XRD peak positions	7.3, 8.5, 12, 17.1, 25.7, 28.1, 30.7, 43.1, 50.2, and 56.3 deg indexed to (111), (200), (220), (400), (442), (533), (551), (771), (971), and (991)	—	—	Text Rounded Reported	3-4 · 3.1 XRD · Fig. 1

UiO-66-NH2 powder, labelled U-N · Powder

2theta range 10-60 deg at room temperature; compared with simulated UiO-66 CIF 4512072.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
amino functionalisation retains UiO phase	Identical peaks in U and U-N indicate amino groups do not modify the fundamental crystal structure or phase.	—	—	Text Qualitative	4 · 3.1 XRD · Fig. 1