Effect of Al3+ Additions on the Microstructure and Photoluminescence of SrTiO3:Pr3+ Phosphors Produced by the Sol–Gel Method

被引：0

作者：

O. M. Marchylo

Y. Nakanishi

H. Kominami

K. Hara

L. V. Zavyalova

S. V. Svechnikov

B. A. Snopok

机构：

[1] National Academy of Sciences of Ukraine,V. E. Lashkaryov Institute of Semiconductor Physics

[2] Shizuoka University,Research Institute of Electronics

来源：

Theoretical and Experimental Chemistry | 2013年 / 49卷

关键词：

phosphor; SrTiO; :Pr; photoluminescence; aluminum; iron;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

The effect of various concentrations of Pr3+ on the structural and luminescent characteristics of SrTiO3:Pr3+ phosphors synthesized by the sol–gel method was investigated. Maximum intensity of red luminescence (617 nm) for SrTiO3:Pr3+ with excitation by ultraviolet radiation is observed at an effective Pr3+ concentration of 0.2 mole %. It was shown that the addition of aluminum at the optimum Pr3+ concentration leads to deterioration of the crystallinity and reduces brightness of the SrTiO3:Pr3+ luminescence. The reason for the last effect may be the presence of minute amounts of iron impurity in the initial reagents.

引用

页码：158 / 164

页数：6

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