cMOF Evidence Base
Microscopy Morphology — Ultrathin metal-organic framework array for efficient electrocatalytic water splitting

Measurement evidence

Microscopy Morphology

Ultrathin metal-organic framework array for efficient electrocatalytic water splitting · Duan J., Chen S., Zhao C. · Nature Communications · 2017 · 15341

4 measurement groups · 13 results

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

SEM, EDS and AFM for Cu-MOF/NF

Scanning electron microscopyAtomic force microscopyElemental microanalysis and mapping

Cu-MOF/NF nanosheet sample · Electrode

Cu-MOF on nickel foam; AFM height profile and EDS spectrum.

Geometry
Cu-MOF/NF
Context
Pristine Cu-MOF/NF demonstration sample
Measurement source
S30 · Supplementary Figure 28 · Supplementary Fig. 28
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Cu-MOF lateral sizetens of nanometres——Text
Approximate		6 · Discussion · Supplementary Fig. 28
Cu-MOF nanosheet AFM thickness~6.8 nm——Text
Approximate		6 · Discussion · Supplementary Fig. 28

Controlled-growth SEM series

Scanning electron microscopy

NiFe-MOF/NF ultrathin nanosheet array electrode · Electrode

SEM controls for ligand-only, bulk aggregate, addition order, and 3 h/10 h intermediates.

Geometry
Morphology controls
Context
Growth mechanism and morphology controls
Measurement source
2 · Introduction/Results · Supplementary Figs. 1-4
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Intermediate morphology at 10 hsmall nanosheets grown onto nickel foam——Caption
Qualitative		S6 · Supplementary Figure 4 · Supplementary Fig. 4
Intermediate morphology at 3 hlarge micro-rods of several micrometres——Caption
Approximate		S6 · Supplementary Figure 4 · Supplementary Fig. 4
Ligand-only control deposition outcomeclean nickel foam surface; no organic ligand deposit——Caption
Qualitative		S3 · Supplementary Figure 1 · Supplementary Fig. 1
Wrong-addition-order NiFe-MOF nanoplate thicknesstens of nanometres——Caption
Approximate		S5 · Supplementary Figure 3 · Supplementary Fig. 3

Optical microscopy, SEM, TEM, HRTEM, SAED and AFM

Scanning electron microscopyTransmission electron microscopyAtomic force microscopy

NiFe-MOF/NF ultrathin nanosheet array electrode · Electrode

NiFe-MOF/NF film morphology; scale bars in Figure 2; AFM height profile for nanosheet thickness.

Geometry
3D flexible macroscopic nickel-foam electrode with nanosheet array
Context
Pristine NiFe-MOF nanosheet array
Measurement source
2-3 · Results; Characterizations of the NiFe-MOF electrode · Figure 2
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Nanolayer AFM thickness~3.5 nm——Text
Approximate		2 · Results; Characterizations · Figure 2f
Optical film size1 cm x 3 cm x 1 mm——Caption
Rounded Reported		3 · Figure 2 caption · Figure 2a
Distance between adjacent nanosheet layersaround tens of nanometres——Text
Approximate		2 · Results; Characterizations
Nanosheet lateral sizeseveral hundred nanometres——Text
Approximate		2 · Results; Characterizations
Macropore size on NiFe-MOF/NF200-400 um——Text
Range		2 · Results; Characterizations

SEM and photograph for NiFe-MOF/stainless steel mesh

Scanning electron microscopy

NiFe-MOF on stainless steel mesh · Electrode

Photograph and SEM of NiFe-MOF grown on stainless steel mesh.

Geometry
Stainless steel mesh electrode
Context
Substrate-generality sample
Measurement source
S29 · Supplementary Figure 27 · Supplementary Fig. 27
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
NiFe-MOF on stainless steel mesh lateral sizeseveral micrometres——Text
Approximate		6 · Discussion · Supplementary Fig. 27
NiFe-MOF on stainless steel mesh thicknessa few nanometres——Text
Approximate		6 · Discussion · Supplementary Fig. 27