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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 8 — Apr. 11, 2011
  • pp: 7147–7152

Tunable white-light emission in single-phased K2Y1-xEuxZr(PO4)3 phosphor

Liang Shi and Hyo Jin Seo  »View Author Affiliations

Optics Express, Vol. 19, Issue 8, pp. 7147-7152 (2011)

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The single-phased K2Y1-xEuxZr(PO4)3 (x = 0~1) phosphors were prepared by solid-state reaction. The greenish-blue Zr4+-emission due to the Zr4+-O2- charge transfer transition is observed in the K2YZr(PO4)3 (x = 0) phosphor under UV excitation. Together with the Zr4+-emission, the red emission of Eu3+ is progressively developed by replacement of Y3+ to Eu3+ over the full Eu-content (x = 0~1) in K2Y1-xEuxZr(PO4)3. The emission color varies from greenish-blue to whitish with increasing Eu3+-content and the white-light emission is realized in single-phased phosphor of K2EuZr(PO4)3 (x = 1) by combining the Zr4+-emission and the Eu3+-emission.

© 2011 OSA

OCIS Codes
(160.4670) Materials : Optical materials
(160.4760) Materials : Optical properties
(160.5690) Materials : Rare-earth-doped materials
(300.6280) Spectroscopy : Spectroscopy, fluorescence and luminescence

ToC Category:

Original Manuscript: February 2, 2011
Revised Manuscript: March 4, 2011
Manuscript Accepted: March 24, 2011
Published: March 30, 2011

Liang Shi and Hyo Jin Seo, "Tunable white-light emission in single-phased K2Y1-xEuxZr(PO4)3 phosphor," Opt. Express 19, 7147-7152 (2011)

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