Preparation and Characterization of Chitosan Binder-Based TiO₂ Electrode for Dye-Sensitized Solar Cells

Table 3

Charge transport parameter of the chitosan sol-based DSSCs.

Sample	Parameter
	Thickness; (μm)	𝜏𝑡; (s, ×10^−3)	𝜏𝑟; (s, ×10^−2)	𝐷𝑛; (cm^2s^−1, ×10^−5)	𝐿𝑛; (μm)
D1	6.8	3.121	3.998	2.359	9.71
D2	6.9	2.189	6.336	3.463	14.81
D3	6.8	2.295	4.317	3.208	11.77
D4	6.6	4.056	2.522	1.710	6.57