Intense near-infrared luminescence of anhydrous lanthanide(III) iodides in an imidazolium ionic liquid

被引：109

作者：

Arenz, S

Babai, A

Binnemans, K

Driesen, K

Giernoth, R

Mudring, AV

Nockemann, P

机构：

[1] Univ Cologne, Inst Organ Chem, D-50939 Cologne, Germany

[2] Univ Cologne, Inst Anorgan Chem, D-50939 Cologne, Germany

[3] Katholieke Univ Leuven, Dept Chem, B-3001 Heverlee, Belgium

来源：

CHEMICAL PHYSICS LETTERS | 2005年 / 402卷 / 1-3期

关键词：

D O I：

10.1016/j.cplett.2004.12.008

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Anhydrous neodymium(III) iodide and erbium(Ill) iodide were dissolved in carefully dried batches of the ionic liquid 1-dodecyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide, [C(12)mim][Tf2N]. Provided that the ionic liquid had a low water content, intense near-infrared emission could be observed for both the neodymium(III) ion and for the erbium(III) ion. Luminescence lifetimes have been measured, and the quantum yield of the neodymium(III) sample has been measured. Exposure of the hygroscopic samples to atmospheric moisture conditions caused a rapid decrease of the luminescence intensities. (C) 2004 Elsevier B.V. All rights reserved.

引用

页码：75 / 79

页数：5

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