Microscopy Morphology — Encapsulating metal organic framework into hollow mesoporous carbon sphere as efficient oxygen bifunctional electrocatalyst

Measurement evidence

Microscopy Morphology

Encapsulating metal organic framework into hollow mesoporous carbon sphere as efficient oxygen bifunctional electrocatalyst · Xiong W., Li H., You H. et al. · National Science Review · 2020 · 609-619

2 measurement groups · 6 results

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

SEM and TEM

Scanning electron microscopy Transmission electron microscopy

ZIF@HMCS-m series · Powder

Morphology of ZIF-67, HMCS, ZIF@HMCS-10%, ZIF@HMCS-50%, HMCS-1, ZIF@HMCS-1-25%, ZIF@BHMCS-25%

Context: controls and composite variants
Measurement source: 612 · Results and discussion · Figs. S1, S3, S4

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
HMCS-1 shell thickness	~30 nm	—	—	Text Approximate	612 · Results and discussion · Fig. S3
HMCS cavity diameter	up to 246 nm	—	—	Text Rounded Reported	610 · Results and discussion · Fig. S1e
HMCS carbon shell thickness	~10 nm	—	—	Text Approximate	610 · Results and discussion · Fig. S1
Pure ZIF-67 particle size	~1 um	1000 nm	—	Text Approximate	612 · Results and discussion · Fig. S1b,f
ZIF-67 particle size in ZIF@HMCS-10%	~200 nm	—	—	Text Approximate	612 · Results and discussion · Fig. S1c,g

SEM, TEM, HAADF-STEM and EDS mapping

Scanning electron microscopy Transmission electron microscopy Elemental microanalysis and mapping

ZIF@HMCS-25% · Powder

Morphology and elemental mapping of ZIF@HMCS-25%

Context: target composite
Measurement source: 611 · Results and discussion · Fig. 1a-c

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
ZIF-67 particle size in ZIF@HMCS-25%Marked as a best value within this paper	~100 nm	—	—	Text Approximate	611 · Results and discussion · Fig. 1b-c