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Optical Materials Express

Optical Materials Express

  • Editor: David J. Hagan
  • Vol. 3, Iss. 11 — Nov. 1, 2013
  • pp: 1810–1819

Full-color emission generation from single phased phosphor Sr10[(PO4)5.5(BO4)0.5](BO2): Ce3+, Mn2+, Tb3+ for white light emitting diodes

Ge Zhu, Zhipeng Ci, Qian Wang, Yurong Shi, and Yuhua Wang  »View Author Affiliations

Optical Materials Express, Vol. 3, Issue 11, pp. 1810-1819 (2013)

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A single-phase full-color emitting Sr10[(PO4)5.5(BO4)0.5](BO2): Ce3+, Mn2+, Tb3+ phosphor was synthesized by solid-state reaction for the first time. The characteristic luminescence property of Ce3+ is investigated by Gauss fitting. Energy transfer from Ce3+ to Mn2+ and Ce3+ to Tb3+ in Sr10[(PO4)5.5(BO4)0.5](BO2) is detailedly studied by luminescence spectra, energy-transfer efficiency and lifetimes. Through effective energy transfer, the wavelength-tunable warm white light can be realized with superior chromaticity coordinates of (0.35, 0.32), high color rendering index (Ra = 89) and low correlated color temperature (CCT = 4373K) by coupling the emission bands centered at 441, 542 and 649 nm attributed to the contribution from Ce3+, Mn2+ and Tb3+, respectively. The results indicate the white Sr10[(PO4)5.5(BO4)0.5](BO2):Ce3+, Mn2+, Tb3+ phosphor can serve as a promising candidate for phosphor-converted white-light UV-LEDs.

© 2013 OSA

OCIS Codes
(160.2540) Materials : Fluorescent and luminescent materials
(250.5230) Optoelectronics : Photoluminescence

ToC Category:
Fluorescent and Luminescent Materials

Original Manuscript: July 30, 2013
Revised Manuscript: August 23, 2013
Manuscript Accepted: August 23, 2013
Published: October 8, 2013

Ge Zhu, Zhipeng Ci, Qian Wang, Yurong Shi, and Yuhua Wang, "Full-color emission generation from single phased phosphor Sr10[(PO4)5.5(BO4)0.5](BO2): Ce3+, Mn2+, Tb3+ for white light emitting diodes," Opt. Mater. Express 3, 1810-1819 (2013)

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