Table 1 Fe particle size from XRD and TEM, Fe loading obtained by TGA and AAS, and XPS surface atomic percentage of MOF and derived catalysts.

From: Thermally stable metal–organic framework based iron 2,6-naphthalenedicarboxylic catalyst (Fe-NDC) for syngas conversion to olefin

Sample

Fe wt%a

dFe (nm)b

XPS, at%c

TGA

AAS

TEM

XRD

C1s

O1s

Fe2p

N1s

Fe-NDC

9.4

10.5

–

–

–

–

–

–

Fe@C-500

25.8

24.0

27.3

22.4

74.77

20.92

3.68

0.63

Fe@C-600

27.4

29.3

38.1

30.5

89.47

8.1

1.96

0.47

  1. a Fe weight percent, b Fe average particle size, c atomic surface distribution.
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