Influence of the Sol-Gel pH Process and Compact Film on the Efficiency of TiO_𝟐-Based Dye-Sensitized Solar Cells

Table 1

Morphological parameters determined by the BET method for TiO₂ nanoparticles synthesized in different hydrolysis conditions.

Hydrolysis condition	Surface area/m^2 g^−1	Particle diameter^a/nm	Porosity/%
Acid	128	12	58
Alkaline	88	17	54

^aAverage diameter considering spherical particles.