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Vacuum ultraviolet-visible spectroscopic properties of green phosphor NaGd0.3Y0.5Tb0.2FPO4 for application in plasma display panels

Published online by Cambridge University Press:  31 January 2011

Zifeng Tian ,
Hongbin Liang ,
Lan Li ,
Qiang Su ,
Guobin Zhang  and
Yibing Fu
Zifeng Tian
Affiliation:
MOE Laboratory of Bioinorganic and Synthetic Chemistry, State Key Laboratory of Optoelectronic Materials and Technologies, School of Chemistry and Chemical Engineering, Sun Yat-sen University, Guangzhou 510275, People’s Republic of China
Hongbin Liang*
Affiliation:
MOE Laboratory of Bioinorganic and Synthetic Chemistry, State Key Laboratory of Optoelectronic Materials and Technologies, School of Chemistry and Chemical Engineering, Sun Yat-sen University, Guangzhou 510275, People’s Republic of China
Lan Li
Affiliation:
MOE Laboratory of Bioinorganic and Synthetic Chemistry, State Key Laboratory of Optoelectronic Materials and Technologies, School of Chemistry and Chemical Engineering, Sun Yat-sen University, Guangzhou 510275, People’s Republic of China
Qiang Su
Affiliation:
MOE Laboratory of Bioinorganic and Synthetic Chemistry, State Key Laboratory of Optoelectronic Materials and Technologies, School of Chemistry and Chemical Engineering, Sun Yat-sen University, Guangzhou 510275, People’s Republic of China
Guobin Zhang
Affiliation:
National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei 230026, People’s Republic of China
Yibing Fu
Affiliation:
National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei 230026, People’s Republic of China
*
a)Address all correspondence to this author. e-mail: cesbin@mail.sysu.edu.cn
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Abstract

In this article, we present the vacuum ultraviolet-visible spectroscopic properties of NaRFPO4:Tb3+ (R = Gd and Y). Because the samples show intensive absorption near 172 nm and bright emission, the composition of the phosphors has been further optimized and an ideal phosphor NaGd0.3Y0.5Tb0.2FPO4 is obtained. This phosphor exhibits favorable characteristics such as a lower preparation temperature, an intensive emission under 172-nm excitation, a shorter decay time (τ1/10 = 8.7 ms) in comparison with the commercial green plasma display panel (PDP) phosphor Zn2SiO4:Mn2+ (τ1/10 = 10.8 ms), a good thermal stability for luminescence performance, and a uniform particle size around 2.3 μm. Hence, the phosphor NaGd0.3Y0.5Tb0.2FPO4 can be considered a promising green phosphor for use in PDPs.

Keywords

LuminescenceOptical propertiesPowder
Type
Articles
Information
Journal of Materials Research , Volume 23 , Issue 6 , June 2008 , pp. 1537 - 1542
Copyright
Copyright © Materials Research Society 2008

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References

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