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

被引：79
作者：
Artizzu, F
Deplano, P
Marchiò, L
Mercuri, ML
Pilia, L
Serpe, A
Quochi, F
Orrú, R
Cordella, F
Meinardi, F
Tubino, R
Mura, A
Bongiovanni, G
机构：
[1] Univ Cagliari, Dipartimento Chim Inorgan & Analit, I-09042 Cagliari, Italy
[2] Univ Parma, Dipartimento Chim Gen & Inorgan Chim Analit Chim, I-43100 Parma, Italy
[3] Univ Cagliari, Dipartimento Fis, I-09042 Cagliari, Italy
[4] Ist Nazl Fis Mat, I-090942 Cagliari, Italy
[5] Univ Milan Bicocca, Dipartimento Sci Mat, I-20125 Milan, Italy
来源：
INORGANIC CHEMISTRY | 2005年 / 44卷 / 04期
关键词：
D O I：
10.1021/ic0483895
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
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-mum telecom applications. Structural data demonstrate that the complex has a trinuclear structure (Er(3)Q(9)) 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 Er(3)Q(9) 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.
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页码：840 / 842
页数：3
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