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

Xiaoyan He; Lucie Norel; Yves-Marie Hervault; Rémi Métivier; Anthony d'Aléo; Olivier Maury; Stéphane Rigaut

doi:10.1021/acs.inorgchem.6b01797

Journal articles

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

Xiaoyan He ¹ Lucie Norel ^{1, *} Yves-Marie Hervault ¹ Rémi Métivier ² Anthony d'Aléo ³ Olivier Maury ⁴ Stéphane Rigaut ^{1, *}

* Corresponding author

1 ISCR - Institut des Sciences Chimiques de Rennes

2 PPSM - Laboratoire de Photophysique et Photochimie Supramoléculaires et Macromoléculaires

3 CINaM - Centre Interdisciplinaire de Nanoscience de Marseille

4 LC - Laboratoire de Chimie - UMR5182

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.

Keywords : dyad tunable photochromism molecular switches electron-transfer charge-transfer diarylethene fluorescence redox europium(iii) complex lanthanide luminescence

Document type :

Journal articles

Domain :

Chemical Sciences

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https://hal-univ-rennes1.archives-ouvertes.fr/hal-01438123
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