Dye-Sensitized Nanocrystalline ZnO Solar Cells Based on Ruthenium(II) Phendione Complexes

Table 1

Electronic^a and Infrared^b data for the dyes^c and dyes on ZnO surface^d.

Dye	MLCT^c	MLCT^d	υ (C=O)^c	υ (C–O)^d	υ (Zn–O)^d
(1)	467 (2.4)	420 (3.4)	1700	1670	520 (broad)
(2)	465 (2.3)	420 (3.3)	1702	1667	523 (broad)
(3)	460 (2.3)	415 (3.1)	1697	1665	515 (broad)

^aλ in nm (log𝜀) in ethanol solution.
^bIR data (KBr) in cm⁻¹.