IMPROVEMENT OF LUMINESCENT PROPERTIES FOR Eu-DOPED STRONTIUM ALUMINATE PHOSPHORS

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Other Title
  • Eu賦活ストロンチウムアルミネート系蛍光体の発光機能性向上

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Description

This paper describes the preparation of Eu-doped strontium aluminate phosphors using a solid-state reaction method and the evaluation of their luminescence properties. The strontium aluminate phosphors co-doped with different rare earth ions were prepared, and photoluminescence (PL) measurements were performed. The results showed that Tb was more suitable than Tm as a photosensitizer for the three rare-earth-element-activated samples. The photoluminescence experiments showed that Eu and Dy, which are co-activated with two rare earth elements, were easily phosphorescence, and Eu, Dy, and Tb, which are co-activated with three rare earth elements, were also phosphorescence at similar temperatures. Considering the above two facts, it was confirmed that the combination of Eu, Dy, and Tb is the best material for luminescence intensity and phosphorescence.

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Details 詳細情報について

  • CRID
    1390296575287427584
  • DOI
    10.15002/00026364
  • HANDLE
    10114/00026364
  • ISSN
    24368083
  • Text Lang
    ja
  • Article Type
    departmental bulletin paper
  • Data Source
    • JaLC
    • IRDB
  • Abstract License Flag
    Allowed

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