Observation of Energy Transfer from Host to Rare-Earth Ions in Ca_2SnO_4:Pr~(3+) Phosphor

Xue Yu; Xuhui Xu; Shuangyu Xin; Jianbei Qiu

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Observation of Energy Transfer from Host to Rare-Earth Ions in Ca_2SnO_4:Pr~(3+) Phosphor

机译：Ca_2SnO_4：Pr〜（3+）磷从主体到稀土离子能量转移的观测

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Red optical properties of Pr~(3+)-doped Ca_2SnO_4 compounds prepared by the solid-state reaction at different atmospheres were investigated. Comparing with the air-sintered phosphor, a significant enhancement of the red emission intensity was observed for the vacuum-sintered phosphor. This improvement could be attributed to the increased oxygen vacancies, which act as the sensitizers for the effective energy transfer (ET) from Ca_2SnO_4 host to Pr~(3+). This study demonstrated that the ET process between the host and rare-earth ions in Ca_2SnO_4 was closely related to the oxygen vacancies.

机译：研究了在不同气氛下通过固相反应制备的Pr〜（3+）掺杂的Ca_2SnO_4化合物的红色光学性质。与空气烧结的磷光体相比，观察到真空烧结的磷光体的红色发射强度显着增强。这种改善可以归因于氧空位的增加，其作为从Ca_2SnO_4主体到Pr〜（3+）的有效能量转移（ET）的敏化剂。这项研究表明，Ca_2SnO_4中的宿主离子与稀土离子之间的ET过程与氧空位密切相关。

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来源
《International Journal of Applied Ceramic Technology / Functional Ceramics》 |2011年第4期|p.985-987|共3页
作者
Xue Yu; Xuhui Xu; Shuangyu Xin; Jianbei Qiu;
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作者单位

College of Materials Science and Engineering, Kunming University of Science and Technology,Kunming 650093, China;

epartment of Materials Science, School of Physical Science and Technology, Lanzhou University,Lanzhou 730000, China;

epartment of Materials Science, School of Physical Science and Technology, Lanzhou University,Lanzhou 730000, China;

College of Materials Science and Engineering, Kunming University of Science and Technology,Kunming 650093, 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);美国《生物学医学文摘》(MEDLINE);
原文格式 PDF
正文语种 eng
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入库时间 2022-08-17 13:39:22

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Observation of Energy Transfer from Host to Rare-Earth Ions in Ca_2SnO_4:Pr~(3+) Phosphor

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