Table 2 The bond energy of elements in XPS varies with different materials

From: Analysis of microstructure properties of Ni-Fe MOFs and their influence on selective recognition of single and binary dye systems

Materials

Ni (eV)

Fe (eV)

C (eV)

N (eV)

O (eV)

Fe-MOFs

-

710.15

284.8

399.11

528.9

Ni-MOFs

855.26

-

284.8

399.25

531.78

Ni/Fe (3:1) MOFs

855.02

709.73

284.8

399.22

530.76

Ni/Fe (1:1) MOFs

855.39

712.49

284.8

399.14

530.82

Ni/Fe (1:3) MOFs

855.52

710.61

284.8

399.05

530.64

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