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  • A High-Light-Harvesting-Eff...
    Wang, Z.-S.; Cui, Y.; Hara, K.; Dan-oh, Y.; Kasada, C.; Shinpo, A.

    Advanced materials (Weinheim), 04/2007, Letnik: 19, Številka: 8
    Journal Article

    A new coumarin dye (see figure) for use in dye‐sensitized solar cells (DSSCs) is reported. It exhibits near‐unity light harvesting efficiency and incident photon‐to‐electron conversion efficiency (see figure) over a wide spectral region in 6 μm transparent TiO2 films. DSSCs based on this metal‐free organic dye show long‐term stability and power‐conversion efficiencies of around 6 % under continuous light‐soaking stress for up to 1000 h.