Structure and emission properties of Er3Q9 (Q = 8-quinolinolate)

Flavia Artizzu, Paola Deplano, Luciano Marchiò, Maria Laura Mercuri, Luca Pilia, Angela Serpe, Francesco Quochi, Riccardo Orrù, Fabrizio Cordella, Francesco Meinardi, Riccardo Tubino, Andrea Mura, Giovanni Bongiovanni

Risultato della ricerca: Contributo su rivistaArticolo in rivistapeer review

Abstract

We report the first combined optical and structural investigation of the water free Er-quinolinolate complex, an organo-lanthanide system of interest for 1.5-μm telecom applications. Structural data demonstrate that the complex has a trinuclear structure (Er3Q9) which provides the Er metals with an octa-coordination by the organic ligand and prevents solvent and water molecules from entering the lanthanide coordination sphere. The results of the structural analysis allow us to infer that the strong Er luminescence quenching exhibited by the Er3Q9 complex is due uniquely to resonant energy transfer to the aromatic C-H vibrations of the ligand, providing the correct tools to design more efficient emitters.

Lingua originaleInglese
pagine (da-a)840-842
Numero di pagine3
RivistaInorganic Chemistry
Volume44
Numero di pubblicazione4
DOI
Stato di pubblicazionePubblicato - 21 feb 2005
Pubblicato esternamente

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