Control of dark current in photoelectrochemical (TiO2/I--I3-)) and dye-sensitized solar cells |
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| Authors: | Ito Seigo Liska Paul Comte Pascal Charvet Raphaël Péchy Peter Bach Udo Schmidt-Mende Lukas Zakeeruddin Shaik Mohammed Kay Andreas Nazeeruddin Mohammad K Grätzel Michael |
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| Institution: | Laboratoire de Photonique et Interfaces, Institut des Sciences et Ingénierie Chimiques, Ecole Polytechnique Fédérale de Lausanne, Station 6, CH-1015 Lausanne, Switzerland. seigo.ito@epfl.ch. |
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| Abstract: | The ruthenium complex bis-tetrabutylammonium cis-dithiocyanato-N,N'-bis-2,2'-bipyridine-4-carboxylic acid, 4'-carboxylate ruthenium(II), N-719, was found to block the dark current of dye sensitized solar cells (DSC), based on mesoporous TiO2 films deposited on a F-doped tin oxide electrode and the effect was compared to surface treatment by TiCl4 and the introduction of a compact TiO2 blocking layer. |
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