International Journal of Materials Science and Applications

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Design of Long Persistent White Phosphorescence in a Composite Phosphor Via Energy Transfer Mechanism

Received: 19 February 2015    Accepted: 04 March 2015    Published: 21 March 2015
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Abstract

A high quality composite phosphor powder of warm to cool white emission and long afterglow phosphorescence was reported by the process of energy transfer in a composite phosphor. The composite phosphor particles include at least two types of phosphor particles viz. a blue white persistent component and yellow fluorescent component. The blue white extremely long persistent component transfers its afterglow to the yellow fluorescent component in the composite phosphor followed by the color mixing process to generate the white afterglow. The composite phosphor is designed in such a way that the excitation spectrum of the fluorescent component was overlapped as much with the afterglow emission of the persistent component. The composite phosphor emission spectrum can be well tuned from warm to cool white depending on the proportions of the composite phosphors and energy transfer extent. Phosphor includes powders, ceramics and resin composites.

DOI 10.11648/j.ijmsa.20150402.16
Published in International Journal of Materials Science and Applications (Volume 4, Issue 2, March 2015)
Page(s) 107-114
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2024. Published by Science Publishing Group

Keywords

Luminescence, White Afterglow, Composite, Energy Transfer

References
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Author Information
  • Department of Advanced Technology Fusion, Saga University, Honjo-1, Saga 840-8502, Japan; GBRY Co. Ltd., 1-62-6-201 Higashiyama, Hirakata City, Osaka, 570-003, Japan

  • Department of Advanced Technology Fusion, Saga University, Honjo-1, Saga 840-8502, Japan

  • Department of Advanced Technology Fusion, Saga University, Honjo-1, Saga 840-8502, Japan

  • Department of Advanced Technology Fusion, Saga University, Honjo-1, Saga 840-8502, Japan

  • Department of Advanced Technology Fusion, Saga University, Honjo-1, Saga 840-8502, Japan

Cite This Article
  • APA Style

    Hom Nath Luitel, Rumi Chand, Toshio Torikai, Mitsunori Yada, Takanori Watari. (2015). Design of Long Persistent White Phosphorescence in a Composite Phosphor Via Energy Transfer Mechanism. International Journal of Materials Science and Applications, 4(2), 107-114. https://doi.org/10.11648/j.ijmsa.20150402.16

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    ACS Style

    Hom Nath Luitel; Rumi Chand; Toshio Torikai; Mitsunori Yada; Takanori Watari. Design of Long Persistent White Phosphorescence in a Composite Phosphor Via Energy Transfer Mechanism. Int. J. Mater. Sci. Appl. 2015, 4(2), 107-114. doi: 10.11648/j.ijmsa.20150402.16

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    AMA Style

    Hom Nath Luitel, Rumi Chand, Toshio Torikai, Mitsunori Yada, Takanori Watari. Design of Long Persistent White Phosphorescence in a Composite Phosphor Via Energy Transfer Mechanism. Int J Mater Sci Appl. 2015;4(2):107-114. doi: 10.11648/j.ijmsa.20150402.16

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  • @article{10.11648/j.ijmsa.20150402.16,
      author = {Hom Nath Luitel and Rumi Chand and Toshio Torikai and Mitsunori Yada and Takanori Watari},
      title = {Design of Long Persistent White Phosphorescence in a Composite Phosphor Via Energy Transfer Mechanism},
      journal = {International Journal of Materials Science and Applications},
      volume = {4},
      number = {2},
      pages = {107-114},
      doi = {10.11648/j.ijmsa.20150402.16},
      url = {https://doi.org/10.11648/j.ijmsa.20150402.16},
      eprint = {https://download.sciencepg.com/pdf/10.11648.j.ijmsa.20150402.16},
      abstract = {A high quality composite phosphor powder of warm to cool white emission and long afterglow phosphorescence was reported by the process of energy transfer in a composite phosphor. The composite phosphor particles include at least two types of phosphor particles viz. a blue white persistent component and yellow fluorescent component. The blue white extremely long persistent component transfers its afterglow to the yellow fluorescent component in the composite phosphor followed by the color mixing process to generate the white afterglow. The composite phosphor is designed in such a way that the excitation spectrum of the fluorescent component was overlapped as much with the afterglow emission of the persistent component. The composite phosphor emission spectrum can be well tuned from warm to cool white depending on the proportions of the composite phosphors and energy transfer extent. Phosphor includes powders, ceramics and resin composites.},
     year = {2015}
    }
    

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  • TY  - JOUR
    T1  - Design of Long Persistent White Phosphorescence in a Composite Phosphor Via Energy Transfer Mechanism
    AU  - Hom Nath Luitel
    AU  - Rumi Chand
    AU  - Toshio Torikai
    AU  - Mitsunori Yada
    AU  - Takanori Watari
    Y1  - 2015/03/21
    PY  - 2015
    N1  - https://doi.org/10.11648/j.ijmsa.20150402.16
    DO  - 10.11648/j.ijmsa.20150402.16
    T2  - International Journal of Materials Science and Applications
    JF  - International Journal of Materials Science and Applications
    JO  - International Journal of Materials Science and Applications
    SP  - 107
    EP  - 114
    PB  - Science Publishing Group
    SN  - 2327-2643
    UR  - https://doi.org/10.11648/j.ijmsa.20150402.16
    AB  - A high quality composite phosphor powder of warm to cool white emission and long afterglow phosphorescence was reported by the process of energy transfer in a composite phosphor. The composite phosphor particles include at least two types of phosphor particles viz. a blue white persistent component and yellow fluorescent component. The blue white extremely long persistent component transfers its afterglow to the yellow fluorescent component in the composite phosphor followed by the color mixing process to generate the white afterglow. The composite phosphor is designed in such a way that the excitation spectrum of the fluorescent component was overlapped as much with the afterglow emission of the persistent component. The composite phosphor emission spectrum can be well tuned from warm to cool white depending on the proportions of the composite phosphors and energy transfer extent. Phosphor includes powders, ceramics and resin composites.
    VL  - 4
    IS  - 2
    ER  - 

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