J. Phys. Chem. B 1997, 101, 6799-6802
6799
Measurement of Ultrafast Photoinduced Electron Transfer from Chemically Anchored Ru-Dye Molecules into Empty Electronic States in a Colloidal Anatase TiO2 Film Thomas Hannappel, Bernd Burfeindt, and Winfried Storck Fritz-Haber-Institut der MPG, Faradayweg 4-6, 14195 Berlin, Germany
Frank Willig* Hahn-Meitner-Institut, Glienickerstrasse 100, 14109 Berlin, Germany ReceiVed: May 13, 1997; In Final Form: July 1, 1997X
Electron transfer from the excited electronic singlet state of chemisorbed ruthenium(II) cis-di(isothiocyanato)bis(2,2′-bipyridyl-4,4′-dicarboxylate) into empty electronic states in a colloidal anatase TiO2 film was measured as a transient absorption signal of the injected hot electrons with a rise time
