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Lunstroot, K., Driesen, K., Nockemann, P., Van Hecke, K., Van Meervelt, L., Goerller-Walrand, C., Binnemans, K., Bellayer, S., Viau, L., Le Bideau, J. & Vioux, A. (2009) Lanthanide-doped luminescent ionogels. Dalton Trans. 298–306. 
Added by: Laurent Cournède (2016-03-10 21:41:25)
Type de référence: Article
DOI: 10.1039/b812292j
Numéro d'identification (ISBN etc.): 1477-9226
Clé BibTeX: Lunstroot2009
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Catégories: PMN
Mots-clés: beta-diketonate complex, emission, europium complexes, imidazolium ionic liquids, infrared photoluminescence, photophysical properties, red electroluminescence, silica-derived networks, thin-films, tris(2-thenoyltrifluoroacetonato)lanthanide(iii) complexes
Créateurs: Bellayer, Binnemans, Driesen, Goerller-Walrand, Le Bideau, Lunstroot, Nockemann, Van Hecke, Van Meervelt, Viau, Vioux
Collection: Dalton Trans.
Consultations : 8/450
Indice de consultation : 2%
Indice de popularité : 0.5%
Résumé     
Ionogels are solid oxide host networks con. ning at a meso-scale ionic liquids, and retaining their liquid nature. Ionogels were obtained by dissolving lanthanide(III) complexes in the ionic liquid 1-hexyl-3-methylimidazolium bis(trifluoromethylsulfonyl) imide, [C(6)mim][Tf(2)N], followed by confinement of the lanthanide-doped ionic liquid mixtures in the pores of a nano-porous silica network. [C(6)mim][Ln(tta)(4)], where tta is 2-thenoyltrifluoroacetonate and Ln = Nd, Sm, Eu, Ho, Er, Yb, and [choline](3)[Tb(dpa)(3)], where dpa = pyridine-2,6-dicarboxylate (dipicolinate), were chosen as the lanthanide complexes. The ionogels are luminescent, ion-conductive inorganic-organic hybrid materials. Depending on the lanthanide(III) ion, emission in the visible or the near-infrared regions of the electromagnetic spectrum was observed. The work presented herein highlights that the confinement did not disturb the first coordination sphere of the lanthanide ions and also showed the excellent luminescence performance of the lanthanide tetrakis beta-diketonate complexes. The crystal structures of the complexes [C(6)mim][Yb(tta)(4)] and [choline](3)[Tb(dpa)(3)] are reported.
Added by: Laurent Cournède  
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