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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 12 — Jun. 6, 2011
  • pp: 11071–11083

Bright green-emitting, energy transfer and quantum cutting of Ba3Ln(PO4)3: Tb3+ (Ln = La, Gd) under VUV-UV excitation

Dejian Hou, Hongbin Liang, Mubiao Xie, Xuemei Ding, Jiuping Zhong, Qiang Su, Ye Tao, Yan Huang, and Zhenhua Gao  »View Author Affiliations


Optics Express, Vol. 19, Issue 12, pp. 11071-11083 (2011)
http://dx.doi.org/10.1364/OE.19.011071


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Abstract

Tb3+ doped Ba3Gd(PO4)3 and Ba3La(PO4)3 phosphors were synthesized using the traditional high temperature solid state reaction method. The excitation, emission, and decay spectra were measured at room temperature. Efficient energy transfer (ET) from Gd3+ to Tb3+ exists in Tb3+ doped Ba3Gd(PO4)3, and the ET efficiency increases with the increase of Tb3+ concentration. The visible quantum cutting (QC) via cross relaxation was observed upon exciting low-spin (7DJ) 5d levels of Tb3+ ions. Ba3Tb(PO4)3 sample shows relatively strong emission intensity in comparison with Zn2SiO4: Mn2+ (ZSM) upon 172 nm excitation, and with a decay time τ1/10 about 6.4 ms under 351 nm excitation, indicating the potential application of this phosphor for plasma display panels (PDPs) and Hg-free lamps.

© 2011 OSA

OCIS Codes
(160.2540) Materials : Fluorescent and luminescent materials
(250.5230) Optoelectronics : Photoluminescence
(300.6280) Spectroscopy : Spectroscopy, fluorescence and luminescence

ToC Category:
Materials

History
Original Manuscript: March 18, 2011
Revised Manuscript: April 29, 2011
Manuscript Accepted: May 14, 2011
Published: May 23, 2011

Citation
Dejian Hou, Hongbin Liang, Mubiao Xie, Xuemei Ding, Jiuping Zhong, Qiang Su, Ye Tao, Yan Huang, and Zhenhua Gao, "Bright green-emitting, energy transfer and quantum cutting of Ba3Ln(PO4)3: Tb3+ (Ln = La, Gd) under VUV-UV excitation," Opt. Express 19, 11071-11083 (2011)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-19-12-11071


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