EFFECT OF Al~(3+) ADDITIONS ON THE MICROSTRUCTURE AND PHOTOLUMINESCENCE OF SrTiO3:Pr~(3+) PHOSPHORS PRODUCED BY THE SOL-GEL METHOD

O. M. Marchylo; Y. Nakanishi; H. Kominami

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EFFECT OF Al~(3+) ADDITIONS ON THE MICROSTRUCTURE AND PHOTOLUMINESCENCE OF SrTiO3:Pr~(3+) PHOSPHORS PRODUCED BY THE SOL-GEL METHOD

机译：Al〜（3+）的添加对溶胶-凝胶法制备SrTiO3：Pr〜（3+）荧光粉的微观结构和光致发光的影响

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The effect of various concentrations of Pr~(3+) on the structural and luminescent characteristics of SrTiO3:Pr~(3+) phosphors synthesized by the sol-gel method was investigated. Maximum intensity of red luminescence (617 nm) for SrTiO3:Pr~(3+) with excitation by ultraviolet radiation is observed at an effective Pr~(3+) concentration of 0.2 mole %. It was shown that the addition of aluminum at the optimum Pr~(3+) concentration leads to deterioration of the crystallinity and reduces brightness of the SrTiO3.Pr~(3+) luminescence. The reason for the last effect may be the presence of minute amounts of iron impurity in the initial reagents.

机译：研究了不同浓度的Pr〜（3+）对溶胶-凝胶法合成的SrTiO3：Pr〜（3+）荧光粉结构和发光特性的影响。在有效的Pr〜（3+）浓度为0.2摩尔％的情况下，观察到了SrTiO3：Pr〜（3+）在紫外光激发下的最大红色发光强度（617 nm）。结果表明，在最佳的Pr〜（3+）浓度下添加铝会导致结晶度降低，并降低SrTiO3.Pr〜（3+）发光的亮度。产生最后作用的原因可能是初始试剂中存在微量的铁杂质。

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《Theoretical and Experimental Chemistry》 |2013年第3期|共7页
作者
O. M. Marchylo; Y. Nakanishi; H. Kominami;
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正文语种 eng
中图分类化学;
关键词
phosphor; SrTiO3:Pr~(3+); photoluminescence; aluminum; iron.;

机译：荧光粉;SrTiO3：Pr〜（3+）;光致发光;铝;铁;

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1. EFFECT OF Al~(3+) ADDITIONS ON THE MICROSTRUCTURE AND PHOTOLUMINESCENCE OF SrTiO3:Pr~(3+) PHOSPHORS PRODUCED BY THE SOL-GEL METHOD [J] . O. M. Marchylo, Y. Nakanishi, H. Kominami Theoretical and Experimental Chemistry . 2013,第3期

机译：Al〜（3+）的添加对溶胶-凝胶法制备SrTiO3：Pr〜（3+）荧光粉的微观结构和光致发光的影响
2. Upconversion photoluminescence properties of SrY_2(MoO_4)_4:Er~(3+)/Yb~(3+) phosphors synthesized by a cyclic microwave-modified sol-gel method [J] . Chang Sung Lim Infrared physics and technology . 2014,第Null期

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4. Structural and photoluminescence properties of Zn_2SiO_4:Tb~(3+) Zn_2SiO_4:Tb~(3+)+Li~+ phosphors by a Sol-Gel method [C] . B. Chandra Babu, S. Buddhudu DAE Solid State Physics Symposium . 2014

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5. Photoluminescence of praseodymium(3+)-doped calcium titanate phosphor [D] . Rivera Figueroa, Iris 2001

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机译：理论自由离子能量，衍生物和还原的基质元素I. pr（3 +），Tm（3 +），Nd（3 +）和Er（3+）。

EFFECT OF Al~(3+) ADDITIONS ON THE MICROSTRUCTURE AND PHOTOLUMINESCENCE OF SrTiO3:Pr~(3+) PHOSPHORS PRODUCED BY THE SOL-GEL METHOD

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