Microscopy Morphology — Thousand-fold increase in O2electroreduction rates with conductive MOFs

Measurement evidence

Microscopy Morphology

Thousand-fold increase in O2electroreduction rates with conductive MOFs · Mariano R.G., Wahab O.J., Rabinowitz J.A. et al. · ACS Central Science · 2022 · 975-982

2 measurement groups · 3 results

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

SEM of PTFE-containing GDE

0.8 mg cm^-2 Ni3(HITP)2 + 10 wt% PTFE GDE · Electrode

SEM cross-section and plan-view imaging of 0.8 mg cm^-2 Ni3(HITP)2 + 10% PTFE GDE.

Atmosphere
vacuum
Geometry
GDE mounted directly and cross-sectioned for SEM.
Context
composite
Measurement source
SI p.S45 · Supplementary figures · Figure S33
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
PTFE domain size in modified GDE~300-500 nm domains between ~200-400 nm Ni3(HITP)2 clustersText
Range
SI p.S12 · Supplementary text 3 · Figure S33

Scanning electron microscopy (SEM)

As-synthesised Ni3(HITP)2 powder · Powder

Powder samples dispersed on carbon tape; Zeiss Merlin HR-SEM with InLens detector, 2-4 kV.

Atmosphere
vacuum
Geometry
Powder on carbon tape.
Context
pristine
Measurement source
SI p.S7 · Scanning electron microscopy (SEM) · Figures S4 and S15
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Co3(HITP)2 and Cu3(HITP)2 particle-cluster size~100-200 nm nanoparticulate clustersText
Range
SI p.S9 · Supplementary text 1 · Figure S15
Ni3(HITP)2 crystallite size50-200 nm crystallites agglomerated into 1 um wide clustersText
Range
main article p.976 · Results and Discussion · Figure S4