Change of Dye Bath for Sensitisation of Nanocrystalline TiO_𝟐 Films: Enhances Performance of Dye-Sensitized Solar Cells

Table 1

Detailed photovoltaic parameters of DSSCs fabricated by TiO₂ electrodes sensitized in (a) ethanol bath (b) 1/1 v/v acetonitrile/tert-butanol mixture bath.

	Sensitizer	𝐽sc (mA/cm^2)	𝑉oc (mV)	ff	𝜂 (%)
(a)	H102	9.38	0.63	0.73	4.31
	HRD2	9.19	0.67	0.75	4.62
	N719	11.15	0.70	0.70	5.46
(b)	H102	12.19	0.67	0.72	5.89
	HRD2	9.53	0.69	0.74	4.87
	N719	14.25	0.72	0.71	7.23

Short-circuit photocurrent density (𝐽_sc), open-circuit photovoltage (𝑉_oc), fill factor (ff). The electrolyte composition is as follows: E01: containing 0.05 M I₂, 0.1 M LiI, 0.6 M 1,2-dimethyl-3-n-propylimidazolium iodide, 0.5 M 4-tert-butylpyridine in acetonitrile solvent.