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首页> 外文期刊>Optical Materials >Deagglomeration in Eu~(3+)-activated Li_2Gd_4(MoO_4)_7 polycrystalline incorporated polymethyl methacrylate
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Deagglomeration in Eu~(3+)-activated Li_2Gd_4(MoO_4)_7 polycrystalline incorporated polymethyl methacrylate

机译：Eu〜（3+）活化的Li_2Gd_4（MoO_4）_7多晶结合聚甲基丙烯酸甲酯的解团聚

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摘要

Li2Gd4(MoO4)(7): Eu3+/PMMA composite flakes (LGMP: Eu3+) have been obtained via embedding Eu3+-activated LGM polycrystalline precursor powders into polymethyl methacrylate (PMMA). The precursor powder with a size of similar to 7 mu m is confirmed to form the sea-island-like structure by SEM, which is helpful to the stability of the particle-polymer coexistence network in LGMP: Eu3+ flakes. Differential photon-generating behaviors are revealed under short-wave radiation and the effectiveness of PMMA is verified in reducing the mutual collision probability and avoiding the powder agglomeration. Although the LGMP: Eu3+ system has lower powder content in contrast to the pure precursor, its luminosity is still comparable to the pure one due to its favorable particle dispersibility. Efficient photon-conversion and intense red-emission indicate the organic-inorganic composite of PMMA loaded LGM: Eu3+ system is a potential candidate for solid-state lighting and color displays.
机译：Li2Gd4（MoO4）（7）：Eu3 + / PMMA复合薄片（LGMP：Eu3 +）是通过将Eu3 +活化的LGM多晶前体粉末嵌入聚甲基丙烯酸甲酯（PMMA）中获得的。 SEM证实，前驱体粉末具有约7μm的尺寸，形成了海岛型结构，有利于LGMP：Eu3 +片中颗粒-聚合物共存网络的稳定性。揭示了在短波辐射下不同的光子产生行为，并证明了PMMA在降低相互碰撞概率和避免粉末团聚方面的有效性。尽管与纯前体相比，LGMP：Eu3 +体系的粉末含量较低，但由于其良好的颗粒分散性，其发光度仍与纯前体相当。高效的光子转换和强烈的红色发射表明，PMMA负载的LGM的有机-无机复合物：Eu3 +系统是固态照明和彩色显示器的潜在候选者。

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  • 来源
    《Optical Materials》 |2019年第7期|76-84|共9页
  • 作者

    Yu Zhimin; Luo Zhiyang; Liu Xingren; Pun Edwin Yue Bun; Lin Hai;

  • 作者单位

    Dalian Polytech Univ, Sch Text & Mat Engn, Dalian 116034, Liaoning, Peoples R China|City Univ Hong Kong, Dept Elect Engn, Kowloon, Tat Chee Ave, Hong Kong, Peoples R China|City Univ Hong Kong, State Key Lab Terahertz & Millimeter Waves, Kowloon, Tat Chee Ave, Hong Kong, Peoples R China;

    Dalian Polytech Univ, Sch Text & Mat Engn, Dalian 116034, Liaoning, Peoples R China;

    Dalian Polytech Univ, Sch Text & Mat Engn, Dalian 116034, Liaoning, Peoples R China;

    City Univ Hong Kong, Dept Elect Engn, Kowloon, Tat Chee Ave, Hong Kong, Peoples R China|City Univ Hong Kong, State Key Lab Terahertz & Millimeter Waves, Kowloon, Tat Chee Ave, Hong Kong, Peoples R China;

    Dalian Polytech Univ, Sch Text & Mat Engn, Dalian 116034, Liaoning, Peoples R China|City Univ Hong Kong, Dept Elect Engn, Kowloon, Tat Chee Ave, Hong Kong, Peoples R China|City Univ Hong Kong, State Key Lab Terahertz & Millimeter Waves, Kowloon, Tat Chee Ave, Hong Kong, Peoples R China;

  • 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
  • 关键词

    Deagglomeration; Eu3+-activated Li2Gd4(MoO4)(7); Polymethyl methacrylate;

    机译：Deagglomeration;Eu3 + -Activated Li2GD4（Moo4）（7）;聚甲基丙烯酸甲酯;

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