Luminescence of Neodymium(III) in Organic Media. Ligand Designs for the Remarkable Luminescence and Their Evolution.

DOI Web Site 1 Citations 28 References
  • Yanagida Shozo
    Material and Life Sicence, Graduate School of Engineering, Osaka University
  • Hasegawa Yasuchika
    Material and Life Sicence, Graduate School of Engineering, Osaka University
  • Iwamuro Mitsunori
    Material and Life Sicence, Graduate School of Engineering, Osaka University
  • Kawamura Yuichiro
    Material and Life Sicence, Graduate School of Engineering, Osaka University
  • Wada Yuji
    Material and Life Sicence, Graduate School of Engineering, Osaka University

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Other Title
  • 希土類イオンの有機媒体発光　　ネオジム錯体の配位子設計とその展開
  • キドルイ イオン ノ ユウキ バイタイ ハッコウ ネオジム サクタイ ノ ハイイシ セッケイ ト ソノ テンカイ
  • <I>Ligand Designs for the Remarkable Luminescence and Their Evolution</I>
  • ネオジム錯体の配位子設計とその展開

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Abstract

The relatively low efficiency of Nd (III) emission in organic media has been improved by 1) suppression of the radiationless transition process via vibrational excitation of the surrounding medium, 2) prevention of dipole-dipole nonradiative energy transfer processes via energy migration, 3) suppression of radiationless transition of D2O molecules in the vicinity of Nd (III) complexes (formation of twelve-coordinate Nd (III) complex with DMSO-d6), 4) allowance of electron transitions of Nd (III) by the introduction of asymmetric ligand field, 5) photosensitization by use of energy transfer from organic ligands. The luminescence of NMI) was observed for the first time in undeuterated acetone when Nd (III) was complexed with bis-perfluorooctylsulfonylamine (pos). As to the applications of luminescent Nd (III) complexes, developments of luminescent lanthanide polymers and EL device were successful.

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