TiO2
Dye Solar Cell
Ruthenium sensitizers RuL3
(yellow) cis-RuL2(NCS)2 (red) and RuL'(NCS)3
(green)
where L = 2,2'-bipyridyl-4,4'-dicarboxylic acid and L' = 2,2',2''-terpyridyl-4,4',4''-tricarboxylic
acid.
The lower part of the picture shows nanocrystalline TiO2 films loaded
with the respective sensitizer.
Michael Gratzel , “Solar
Energy Conversion by Dye-Sensitized Photovoltaic Cells,” Inorg. Chem.,
44 (20), 6841-6851, 2005.