Table 1 EIS parameters of symmetrical dummy cells with Pt and SeGnP electrodes.

Rs, serial resistance; Rct, charge-transfer resistance; Cdl, double-layer capacitance; Rtm, transmission resistance; Cad, capacitance due to the adsorption of I/I3 on the graphitic basal plane; J0, exchange current density.

CEElectrolyteRs (ohm⋅cm2)Rct (ohm⋅cm2)Cdl (μF cm2)Rtm (ohm⋅cm2)Cad (μF cm2)J0 (mA cm−2)
PtCo(bpy)32+/3+3.121.858.8813.9
SeGnPs3.200.1317.5234
PtI/I33.420.616.0221.1
SeGnPs2.920.231330.1712.432.1