ChemSusChem

Cover image for Vol. 7 Issue 9

Editor-in-Chief: Guido Kemeling; Editorial Board Chairs: Matthias Beller, Gabriele Centi, Licheng Sun

Impact Factor: 7.117

ISI Journal Citation Reports © Ranking: 2013: 17/148 (Chemistry Multidisciplinary)

Online ISSN: 1864-564X

Associated Title(s): Angewandte Chemie International Edition, Chemistry - A European Journal, Chemistry – An Asian Journal, ChemCatChem, ChemElectroChem, ChemPhysChem, Energy Technology

1_11/2008Cover Picture: Triarylamine-Functionalized Ruthenium Dyes for Efficient Dye-Sensitized Solar Cells (ChemSusChem 11/2008)

The cover picture shows a scheme for a solar cell sensitized by a triarylamine-functionalized ruthenium dye "J6". To engineer an efficient sensitizer, the LUMO of the dye must be sufficiently high in energy to promote efficient charge injection into the TiO2 film and the HOMO should be sufficiently low in energy for efficient regeneration of the oxidized dye by the hole-transport material/electrolyte. In their Communication on page 901 ff., H. Masuda et al. report a high photon-to-electricity conversion efficiency for the DSSC based on J6. Results from density functional theory calculations suggest that the absorption in the visible region originates from metal-to-ligand charge-transfer transitions from Ru(NCS)2 to the anchoring bipyridyl ligand, leading to efficient electron transfer from the excited dye to the TiO2 conduction band (CB).

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