Luminescence properties of Eu~(3+) and Dy~(3+) doped β-BaB_2O_4 nanocrystals

Wen Guo Zou; Mengkai Lu; Feng Gu; Zhiliang Xiu; Shufen Wang; Guangjun Zhou

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Luminescence properties of Eu~(3+) and Dy~(3+) doped β-BaB_2O_4 nanocrystals

机译：Eu〜（3+）和Dy〜（3+）掺杂β-bab_2O_4纳米晶体的发光性质

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β-BaB_2O_4 nanocrystals co-doped with Eu~(3+) and Dy~(3+) were synthesized and their luminescence properties have been studied. The emission of β-BaB_2O_4:Eu~(3+) sample is composed of three main peaks at 595, 615 and 675 nm, which are assigned to ~5D_0→~7F_(j(j=1,2,3)) of Eu~(3+). The ~5D_0 → ~7F_1 electronic transition is the most prominent one in the spectrum. However, in the Eu~(3+) and Dy~(3+) co-activated sample, the characteristic emission peaks of Dy~(3+) ions are not observed and the luminescence intensity of ~5D_0 → ~7F_2 transition is stronger than that of the ~5D_0 → ~7F_1 transition because of the deform of the host lattice of β-BaB_2O_4 when Dy~(3+) ions are incorporated.

机译：合成β-Bab_2O_4纳米晶体共掺杂与Eu〜（3+）和Dy〜（3+）进行合成，并研究了它们的发光性质。 β-Bab_2O_4的发射：Eu〜（3+）样品由595,615和675nm的三个主峰组成，其被分配到〜5d_0→〜7f_（j（j = 1,2,3））欧盟〜（3+）。〜5d_0→〜7f_1电子转换是频谱中最突出的电子转换。然而，在Eu〜（3+）和Dy〜（3+）共激活样品中，未观察到Dy〜（3+）离子的特征发射峰，〜5d_0→〜7f_2转换的发光强度更强而不是〜5d_0→〜7f_1转换，因为当掺入Dy〜（3+）离子时β-bab_2O_4的宿主晶格的变形。

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来源
《Optical Materials》 |2006年第9期|p.988-991|共4页
作者
Wen Guo Zou; Mengkai Lu; Feng Gu; Zhiliang Xiu; Shufen Wang; Guangjun Zhou;
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作者单位

State Key Laboratory of Crystal Materials Shandong University Jinan 250100 PR China;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类工程材料学;
关键词
luminescence; β-BaB_2O_4 nanocrystals; Eu~(3+) and Dy~(3+) ions;

机译：发光;β-Bab_2O_4纳米晶体;Eu〜（3+）和Dy〜（3+）离子;

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Luminescence properties of Eu~(3+) and Dy~(3+) doped β-BaB_2O_4 nanocrystals

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