Table 2 Fitting results of EIS for Cu at different thickness of TEL.

From: Adsorption and protective behavior of BTAH on the initial atmospheric corrosion process of copper under thin film of chloride solutions

Thickness/μm

1000

400

200

100

Rs/Ω·cm2

47.5

31.6

66.4

104.3

CPE1/F·cm2

5.69E-05

6.85E-05

7.47E-05

10.0E-05

n1

0.692

0.720

0.719

0.745

Rf/Ω·cm2

77.2

73.6

51.4

152

CPE2/F·cm2

7.6E-04

8.8E-04

8.2E-04

7.0E-04

n2

0.512

0.482

0.466

0.545

Rct1/Ω·cm2

1428

1734

1643

1195

CPE3/F·cm2

4.25E-03

5.79E-03

6.41E-03

1.43E-03

n3

0.702

0.678

0.702

0.859

Rct2/Ω·cm2

2763

2322

1874

1453