Table 2.

Fitting parameters for EIS data

Sample	R s/Ω	R co/Ω	R rec/Ω	C co/F	CPE-T/F
1:3	17.7	21.0	23.7	1.5E-7	3.6E-6
1.05:3	17.1	17.8	27.5	1.6E-8	2.5E-6
1.1:3	13.5	10.6	28.5	1.2E-7	6.9E-7
1.15:3	15.2	16.8	27.6	1.3E-7	5.1E-6