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Perfluorinated Aromatic Spacers for Sensitizing Europium(III) Centers in Dinuclear Oligomers: Better than the Best by Chemical Design?

Authors

  • Dr. Jean-François Lemonnier,

    1. Department of Inorganic Analytical Chemistry, University of Geneva, 30 quai E. Ansermet, CH-1211 Geneva 4 (Switzerland)
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  • Lucille Babel,

    1. Department of Inorganic Analytical Chemistry, University of Geneva, 30 quai E. Ansermet, CH-1211 Geneva 4 (Switzerland)
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  • Dr. Laure Guénée,

    1. Laboratory of Crystallography, University of Geneva, 24 quai E. Ansermet, CH-1211 Geneva 4 (Switzerland)
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  • Dr. Prasun Mukherjee,

    1. Department of Chemistry, University of Pittsburgh, 219 Parkman Avenue, Pittsburgh, PA 15260 (USA)
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  • Prof. Dr. David H. Waldeck,

    Corresponding author
    1. Department of Chemistry, University of Pittsburgh, 219 Parkman Avenue, Pittsburgh, PA 15260 (USA)
    • Department of Chemistry, University of Pittsburgh, 219 Parkman Avenue, Pittsburgh, PA 15260 (USA)
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  • Dr. Svetlana V. Eliseeva,

    1. Centre de Biophysique Moléculaire, CNRS UPR 4301, Rue Charles Sadron, F-45071 Orléans Cedex 2 (France)
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  • Prof. Dr. Stéphane Petoud,

    Corresponding author
    1. Centre de Biophysique Moléculaire, CNRS UPR 4301, Rue Charles Sadron, F-45071 Orléans Cedex 2 (France)
    • Centre de Biophysique Moléculaire, CNRS UPR 4301, Rue Charles Sadron, F-45071 Orléans Cedex 2 (France)
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  • Prof. Dr. Claude Piguet

    Corresponding author
    1. Department of Inorganic Analytical Chemistry, University of Geneva, 30 quai E. Ansermet, CH-1211 Geneva 4 (Switzerland)
    • Department of Inorganic Analytical Chemistry, University of Geneva, 30 quai E. Ansermet, CH-1211 Geneva 4 (Switzerland)
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  • This work was supported through grants from the Swiss National Science Foundation, the National Institutes of Health (through NIH grant R21-EB008257-01A1), the National Science Foundation (CHE-0718755), as well as la Ligue contre le Cancer and the Institut National de la Santé et de la Recherche Médicale (INSERM). The work was carried out within the COST Actions D38 and CM1006.

Abstract

original image

Transfer news: The use of a simple method allows the various sensitization steps in EuIII-containing complexes to be deciphered. Incorporation of an increasing number of electron-withdrawing fluorine atoms on the rigid and electronically tunable phenyl spacer between two tridentate binding units (see picture, red O, dark blue N) affects the quantum yield, intersystem crossing, and energy-transfer processes in a rational way.

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