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Table 1 Parameters of the approximation of the impedance spectra of the PS and PS–GO structures

From: Effect of Graphene Oxide on the Properties of Porous Silicon

Structure Parameters of approximation
R-C model R-CPE model
R 1, MΩ C, pF R 2, MΩ Q × 10−11 n
PS 176 8.95 197 1.69 0.944
PS–GO 155 6.68 166 1.20 0.949