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Chem Commun (Camb). 2003 Jun 21;(12):1456-7.

A swift dye uptake procedure for dye sensitized solar cells.

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  • 1Laboratory for Photonics and Interfaces, Institute of Molecular and Biological Chemistry, School of basic Sciences, Swiss Federal Institute of Technology, CH-1015 Lausanne, Switzerland.


Solar cells based on swift self-assembled sensitizer bis(tetrabutylammonium)-cis-di(thiocyanato)-N,N'-bis(4-carboxylato-4'-carboxylic acid-2,2'-bipyridine)ruthenium(II) (N719) on double layers of 12 + 4 microm thick nanocrystalline TiO2 films exhibit the incident monochromatic photon-to-current conversion efficiency (IPCE) 90% and show a short circuit current density of 17 mA cm(-2), 750 mV open circuit potential and 0.72 fill factor yielding power conversion efficiencies over 9.18% under AM 1.5 sun. For the first time highest power conversion efficiencies are obtained for dye sensitized solar cells using a swift self-assembled procedure.

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