Ultrafast fluorescence studies of dye sensitized solar cells
Time-resolved fluorescence spectra from the RuN719 dye exhibit very short lifetimes (<30 fs) in solutions, on non-injecting substrates and on injecting ones. This reveals <10 fs intramolecular energy redistribution competing with the injection. We conclude that injection proceeds on a sub-10 fs time scale from non-thermalized levels of the dye.
Keywords: Photoinduced Electron-Transfer ; Nanocrystalline Tio2 Films ; Titanium-Dioxide Films ; Excited-State Relaxation ; Femtosecond Fluorescence ; Transient Absorption ; Charge-Transfer ; Thin-Films ; Ab-Initio ; Dynamics
Record created on 2012-06-08, modified on 2016-08-09