Table 3 Mullikan absolute electronegativity, band gap energies, and calculated CB and VB edges for CoFe2O4 and CuO.

From: Synergistic design of CuO/CoFe₂O₄/MWCNTs ternary nanocomposite for enhanced photocatalytic degradation of tetracycline under visible light

Semiconductor

χ (eV)

Eg (eV)

CB edge (eV)

VB edge (eV)

CoFe2O4

5.80

2.27

0.17

2.44

CuO

5.79

1.8

0.39

2.19

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