Investigation on the Adsorption and Photooxidation of Glycerol at TiO₂ Nanotubular Arrays

Table 3

Circuit parameters obtained by fitting the experimental impedance results with the selected equivalent circuit. Data obtained under irradiation (𝜆=365 nm) in the presence and in absence of glycerol, 𝐸=0.5 V.

	𝐸=0.5 V
	𝐶𝑓 (𝜇F cm^−2)	𝑅𝑓 (Ω cm^2)	𝐶2 (𝜇F cm^−2)	𝑅2 (Ω cm^2)	𝜏2 (s)	𝑄3 (𝜇S s^𝑛 cm^−2)	𝑛3	𝑅3 (Ω cm^2)	𝜏3 (s)
KOH	82.5	24.93	10.1	2.40	24	55.8	0.83	9619	0.47
G	0.13	17.63	22.1	2.45	54	78.8	0.82	4903	0.31