Optics and Photonics Journal

Volume 3, Issue 6 (October 2013)

ISSN Print: 2160-8881   ISSN Online: 2160-889X

Google-based Impact Factor: 0.76  Citations  h5-index & Ranking

Development of a Novel Green-Emitting Phosphate Phosphor KSrY(PO4)2:Eu2+

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DOI: 10.4236/opj.2013.36A004    6,255 Downloads   8,968 Views  Citations

ABSTRACT

In this study, fluorescence characteristics were evaluated by synthesizing Eu2+ doped samples for phosphates of various compositions. The study led to a green light emitting KSrY(PO4)2:Eu2+, which is rare for a phosphate phosphor. KSrY(PO4)2:Eu2+ had an excitation band between 250 and 450 nm and emitted green light, reaching an emission maximum at 520 nm. As this result suggests that excitation by a near-ultraviolet LED is possible, KSrY(PO4)2:Eu2+ could be useful as a phosphor for white LEDs.

Share and Cite:

A. Saito, H. Kato, M. Kobayashi, Y. Sato and M. Kakihana, "Development of a Novel Green-Emitting Phosphate Phosphor KSrY(PO4)2:Eu2+," Optics and Photonics Journal, Vol. 3 No. 6A, 2013, pp. 19-24. doi: 10.4236/opj.2013.36A004.

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