Sea-Urchin-Like ZnO Nanoparticle Film for Dye-Sensitized Solar Cells

Table 2

Summary of derived circuit parameters: the impedance of transport resistance of the electrons in ZnO (), charge transfer resistance of charge recombination process (), electron lifetime (), chemical capacitance of the ZnO (), electron diffusion coefficient in ZnO (), and effective diffusion length ().

Cell	(s^−1)	(ms)	(Ω)	(Ω)	(μF)	(cm^2/s)	(μm)
2 hrs	1.28	124	2247	608.3	55.4	1.186 × 10^−4	38.4
8 hrs	3.17	50.1	2736	1059	18.3	2.06 × 10^−4	32.1