Effect of Eu3+ contents on the structure and properties of BaLa_2ZnO_5:Eu~(3+) phosphors

Guo C.; Yu J.; Jeong J.-H.; Ren Z.; Bai J.

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Effect of Eu3+ contents on the structure and properties of BaLa_2ZnO_5:Eu~(3+) phosphors

机译：Eu3 +含量对BaLa_2ZnO_5：Eu〜（3+）荧光粉结构和性能的影响

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A series of Eu~(3+) doped BaLa_2ZnO_5 was prepared by a Pechini-type solgel method. The effect of Eu~(3+) concentration on the structure and the luminescent properties of the samples BaLa_(2-x)Eu_xZnO_5 were investigated by powder X-ray diffraction (XRD) and photoluminescence (PL) spectra. The sample adopts the tetragonal or orthorhombic structure as the Eu~(3+) concentration reaches below 1.2 or over 1.6, respectively. The sample is a mixture of tetragonal and orthorhombic phases as the contents of dopants lie between 1.2 and 1.6. The phosphor offers the strongest red light as content of Eu ~(3+) is 0.4. In addition, the crystallization processes of the complex precursors were examined by simultaneous thermogravimetry and differential thermal analysis (TGDTA), and also the optimal heating temperature was investigated.

机译：采用Pechini型溶胶凝胶法制备了一系列Eu〜（3+）掺杂的BaLa_2ZnO_5。通过粉末X射线衍射（XRD）和光致发光（PL）光谱研究了Eu〜（3+）浓度对BaLa_（2-x）Eu_xZnO_5样品结构和发光性能的影响。当Eu〜（3+）浓度分别达到1.2以下或1.6以上时，样品采用四方或正交结构。样品是四方相和正交相的混合物，因为掺杂剂的含量在1.2至1.6之间。当Eu〜（3+）的含量为0.4时，磷光体提供最强的红光。此外，通过同时热重分析和差热分析（TGDTA）检查了复杂前体的结晶过程，并研究了最佳加热温度。

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《Physica, B. Condensed Matter》 |2011年第4期|共5页
作者
Guo C.; Yu J.; Jeong J.-H.; Ren Z.; Bai J.;
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正文语种 eng
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关键词
Luminescence; Phosphors; Solgel process;

机译：发光;荧光体;Solgel过程;

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1. Effect of Eu3+ contents on the structure and properties of BaLa_2ZnO_5:Eu~(3+) phosphors [J] . Guo C., Yu J., Jeong J.-H., Physica, B. Condensed Matter . 2011,第4期

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Effect of Eu3+ contents on the structure and properties of BaLa_2ZnO_5:Eu~(3+) phosphors

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