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Chinese Optics Letters

Chinese Optics Letters


  • Editor: Zhizhan Xu
  • Vol. 12, Iss. 1 — Jan. 1, 2014
  • pp: 011601–

A strong green-emitting phosphor: K3Gd(PO4)2:Tb3+ for UV-excited white light-emitting-diodes

Tingming Jiang, Xue Yu, Xuhui Xu, Hongling Yu, Dacheng Zhou, and Jianbei Qiu  »View Author Affiliations

Chinese Optics Letters, Vol. 12, Issue 1, pp. 011601- (2014)

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K3Gd(PO4)2:Tb3+ phosphors are synthesized by the solid reaction method, and the phases and luminescence properties of the obtained phosphors are well characterized. The emission spectra of K3Gd(PO4)2:Tb3+ exhibit the typical emissions of Tb3+. Concentration quenching of Tb3+ is not observed in K3Gd(PO4)2:Tb3+, likely because the shortest average distance of Tb3+-Tb3+ in K3Gd(PO4)2:Tb3+ is adequately long such that energy transfer between Tb3+-Tb3+ ions cannot take place effectively. This result indicates that K3Tb(PO4)2 phosphors have potential application in near ultraviolet (n-UV)-convertible phosphors for white light-emitting diodes.

© 2014 Chinese Optics Letters

OCIS Codes
(160.0160) Materials : Materials
(230.0230) Optical devices : Optical devices
(300.0300) Spectroscopy : Spectroscopy

ToC Category:

Tingming Jiang, Xue Yu, Xuhui Xu, Hongling Yu, Dacheng Zhou, and Jianbei Qiu, "A strong green-emitting phosphor: K3Gd(PO4)2:Tb3+ for UV-excited white light-emitting-diodes," Chin. Opt. Lett. 12, 011601- (2014)

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