Friend or foe? the role of solvents in non-triplet, intraligand charge transfer sensitization of lanthanide(III) luminescence

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Abstract

Sensitization of lanthanide luminescence in the visible and near infra-red (NIR) region was achieved via a non-triplet energy transfer pathway by long-wavelength excitation of an intraligand charge transfer (ILCT) band of a diethylamino-based ligand system. A comprehensive photophysical and solvatochromic study is conducted to evaluate the luminescence properties of our Eu(iii), Sm(iii) and Yb(iii) complexes. The effects of solvent coordination and solvent quenching on lanthanide luminescence were studied in detail and efforts were also devoted into examining the ambiguous energy transfer mechanism of Yb(iii) sensitization.
Original languageEnglish
Pages (from-to)74100-74109
Number of pages10
JournalRSC Advances
Volume6
Issue number78
DOIs
Publication statusPublished - 1 Jan 2016

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)

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