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

S. Arenz, A. Babai, K. Binnemans, K. Driesen, R. Giernoth, A.V. Mudring, Peter Nockemann

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106 Citations (Scopus)

Abstract

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.
Original languageEnglish
Pages (from-to)75-79
Number of pages5
JournalChemical Physics Letters
Volume402
Issue number1-3
DOIs
Publication statusPublished - 24 Jan 2005

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Spectroscopy
  • Atomic and Molecular Physics, and Optics
  • Surfaces and Interfaces
  • Condensed Matter Physics

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