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Dr. Lauren E. Polander, Dr. Aswani Yella, Basile F. E. Curchod, Negar Ashari Astani, Dr. Joël Teuscher, Rosario Scopelliti, Dr. Peng Gao, Dr. Simon Mathew, Prof. Jacques-E. Moser, Dr. Ivano Tavernelli, Prof. Ursula Rothlisberger, Prof. Michael Grätzel, Dr. Md. Khaja Nazeeruddin and Dr. Julien Frey Towards Compatibility between Ruthenium Sensitizers and Cobalt Electrolytes in Dye-Sensitized Solar Cells Angewandte Chemie International Edition 52

Version of Record online: 4 JUL 2013 | DOI: 10.1002/anie.201304608

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Ruthenium and Co: Ruthenium(II) complexes remain prime candidates for dye-sensitized solar applications; however, current ruthenium sensitizers are not compatible with cobalt(II/III) electrolytes. Herein, the effect of surface insulation on device efficiency is studied by comparing two cyclometalated tris-heteroleptic ruthenium(II) complexes. This approach demonstrates a general principle that leads to unprecedented efficiency for a ruthenium(II) sensitizer used in combination with a cobalt electrolyte.

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