Novel ruthenium bipyridyl dyes with S-donor ligands and their application in dye-sensitized solar cells - McCall, KL; Jennings, JR; Wang, H; Morandeira, A; Peter, LM; Durrant, JR; Yellowlees, LJ; Woollins, JD; Robertson, N (JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY, 2009)