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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 26 — Dec. 20, 2010
  • pp: 27257–27262

Blue-white-green tunable luminescence from Ba2Gd2Si4O13:Ce3+,Tb3+ phosphors excited by ultraviolet light

Hai Guo, Hao Zhang, JingJing Li, and Fang Li  »View Author Affiliations

Optics Express, Vol. 18, Issue 26, pp. 27257-27262 (2010)

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The novel Ba2Gd2Si4O13:Ce3+,Tb3+ phosphors were systemically investigated by fluorescent method for the first time. Through an efficient energy transfer process, the obtained phosphors exhibit both a blue emission of Ce3+ and a yellowish green emission of Tb3+ with considerable intensity under near-ultraviolet excitation (300-370 nm). Tuning of the content of Tb3+ can generate the varied hues from blue to white and eventually to yellowish green. The quantum efficiency of the white phosphor Ba2(Gd0.88Ce0.02Tb0.1)2Si4O13 is 82.3% of commercial ZnS:Ag+,Cl- phosphor. Our results demonstrate that the potential application of these phosphors in solid-state lighting and (or) other areas.

© 2010 OSA

OCIS Codes
(160.2540) Materials : Fluorescent and luminescent materials
(160.5690) Materials : Rare-earth-doped materials

ToC Category:

Original Manuscript: September 29, 2010
Revised Manuscript: November 17, 2010
Manuscript Accepted: November 18, 2010
Published: December 10, 2010

Hai Guo, Hao Zhang, JingJing Li, and Fang Li, "Blue-white-green tunable luminescence from Ba2Gd2Si4O13:Ce3+,Tb3+ phosphors excited by ultraviolet light," Opt. Express 18, 27257-27262 (2010)

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