Table 3.

Fitting results of EIS for CuBTA at different thickness of TEL.

Thickness/μm	1000	400	200	100
Rs/Ω·cm2	32.5	42.7	59.3	67.8
CPE1/F·cm2	4.09E-06	3.88E-06	3.24E-06	4E-06
n1	0.819	0.817	0.810	0.810
Rf/Ω·cm2	1416	1312	1220	1235
CPE2/F·cm2	5.35E-05	5.67E-05	6.38E-05	6.05E-05
n2	0.653	0.649	0.643	0.665
Rct/Ω·cm2	6370	6183	5980	5720