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Modulation of Eu(III) and Yb(III) Luminescence Using a DTE Photochromic Ligand

Abstract : In this work, we show that a dithienylethene (DTE) modified dipicolinic amide ligand can be a versatile tool to modulate Eu(III) and Yb(III) luminescence using light as an external stimulus. The nature of the modulation depends on the lanthanide emitter: with the europium ion, the DTE ligand quenches the red luminescence upon ring closure, whereas with the ytterbium ion, ring closure can be used to turn on the luminescence in the NIR range.
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https://hal-univ-rennes1.archives-ouvertes.fr/hal-01438123
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Xiaoyan He, Lucie Norel, Yves-Marie Hervault, Rémi Métivier, Anthony d'Aléo, et al.. Modulation of Eu(III) and Yb(III) Luminescence Using a DTE Photochromic Ligand. Inorganic Chemistry, American Chemical Society, 2016, 55 (24), pp.12635--12643. ⟨10.1021/acs.inorgchem.6b01797⟩. ⟨hal-01438123⟩

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