Table 2. Optical Energy Band Gap, BET Surface Area, Amount of Dye Adsorbed (N719 and RuPc) on the Surface of the Bare TiO₂, and Representative NCs Samples.

			amount of dye adsorbed (mol/cm2)
samples	optical band gap (eV)	surface area (m2/g)	N719	RuPc
TiO2 (T)	3.20	90.27	3.00 × 10–5	1.03 × 10–5
T@0.1 C	2.90	109.85	3.23 × 10–5	1.15 × 10–5
T@1.0 C	2.85	60.42	2.47 × 10–5	--