Rare earth complexes in sol-gel glasses

Renata Reisfeld*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

17 Scopus citations

Abstract

The origin of the spectra of rare earth ions arising from f → f and f → d transitions is discussed. The parity-forbidden luminescence of lanthanide ions can be strongly intensified by excitation via molecules characterized by high transition probabilities. Such behaviour opens a route for creation of a class of new sophisticated materials. Luminescent materials based on heteroaromatic lanthanide cryptates are attractive as labels for advanced time-resolved fluoroimmunoassays and molecular markers, their potential use is also conceivable in the field of luminescent displays, molecular photonics and highly luminescent materials in hybrid organic/inorganic glasses. The recent findings of lanthanide complexes trapped in solgel inorganic glasses based on silica and zirconia networks are discussed and the theoretical basis of their spectroscopy is presented.

Original languageEnglish
Pages (from-to)5-18
Number of pages14
JournalMaterials Science-Poland
Volume20
Issue number2
StatePublished - 2002

Keywords

  • Electronic spectra
  • Rare earths

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