Table 2 Ohmic resistance values obtained from the EIS analysis of TiO2, CuO, and its binary system of CuO@TiO2 heterojunction. (Where: Rs (series resistance), Rch (charge transfer resistance), Rrec (recombination resistance).

From: The superior photocatalytic performance and DFT insights of S-scheme CuO@TiO2 heterojunction composites for simultaneous degradation of organics

Photocatalyst

Rs (ohm)

Rct (ohm)

Rrec (ohm)

Rinterface (ohm)

X2

TiO2

0.1

1476

1992

315

0.01

CuO

21

3074

1.6E15

1382

0.01

CuO@TiO2

46

1372

3391

4

0.001

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