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

Table 1

Langmuir (𝐿) and Freundlich (𝐹) CPI-dyes adsorption constants on TiO₂ monolayer surface.

	CPI	CPI-Zn	CPI-Cu
𝐾𝐿	5.051	3.178	3.037
𝑄0	4.90 × 10^−5	5.03 × 10^−5	6.50 × 10^−5
𝑎𝐿	1.03 × 10^5	6.31 × 10^4	4.67 × 10^4
𝑅^2𝐿	0.998	0.999	0.998
𝐾𝐹	7.005	2.323	1.732
𝑅^2𝐹	0.965	0.805	0.825