Influence of Anodization Time on Photovoltaic Performance of DSSCs Based on TiO₂ Nanotube Array

Table 2

Parameters obtained by fitting the impedance spectra of DSSCs using the equivalent circuit in Figure 8(a).

	5 h	12 h	18 h	22 h
Rs (Ω)	23.48	20.06	24.52	25.48
(Ω)	30.87	27.15	26.63	34.54
Rw (Ω)	59.41	45.42	26.45	28.21
τe (ms)	34.62	133.36	279.36	47.89