Equilibrium and Kinetic Aspects in the Sensitization of Monolayer Transparent TiO₂ Thin Films with Porphyrin Dyes for DSSC Applications

Table 6

Effects of adsorption time and CDCA on the short-circuit photocurrent density (Jsc) open-circuit voltage, fill factor (FF), and overall conversion efficiency (𝜂) of dye-sensitized solar cells based on CPICu and CPIZn (0.3 mM) with 2.7 µm thick monolayer TiO₂ film and using Z960 as electrolyte under an illumination of the AM 1.5G full sunlight intensity.

	Dye	CDCA	Adsorption time; (min)	Jsc; (mA/cm^2)	Module 𝑈oc; (mV)	FF	𝜂 (%)
(a)	CPIZn	—	1440	3.62	549.12	73.54	1.48
	CPIZn	—	30	4.38	579.10	70.36	1.86
(b)	CPIZn	2 mM	1440	4.23	562.48	69.88	1.80
	CPIZn	2 mM	30	3.98	590.31	70.96	1.77
(c)	CPICu	—	1440	4.66	626.64	71.85	2.10
	CPICu	—	60	4.65	668.20	70.36	2.20
(d)	CPICu	2 mM	1440	4.70	650.19	69.88	2.14
	CPICu	2 mM	60	3.89	686.50	70.94	1.89