Achieving high thermal stability of different rare-earth ions in a single matrix hostviathe manipulation of the local structure by a solid solution

Yang Xiuxia; Zhao Lei; Liu Zhichao; Tian Shuyu; Zhang Hao; Xu Xuhui; Qiu Jianbei; Yu Xue

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Achieving high thermal stability of different rare-earth ions in a single matrix hostviathe manipulation of the local structure by a solid solution

机译：在单个基质宿主中实现不同稀土离子的高热稳定性，通过固溶体操纵局部结构的操纵

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Thermal quenching seriously restricts the practical application of phosphors, particularly under high temperature and long-term working conditions. Here, we demonstrate that the as-obtained series of solid solutions of Ca2-xYxAl2Si1-xAlxO7:Tb3+(x= 0-1, Ca2Al2SiO7 -> CaYAl3O7) phosphors exhibit an adjustable optical performance, where CaYAl3O7:Tb(3+)exhibits a greatly improved thermal stability with a shortened bond distance of the related polyhedron compared with Ca2Al2SiO7:Tb3+. The shrunken bond distance strengthens the pressure of the local structure and suppresses the non-radiative transition effectively, contributing to the prevention of the thermal degradation. The formed phosphor with excellent structural stability could be effectively incorporated with various lanthanide ions (Eu3+, Tb3+, Sm3+, Dy3+, and Pr3+) to address a pleochroism output.

机译：热淬火严重限制磷光体的实际应用，特别是在高温和长期工作条件下。在这里，我们证明了Ca2-Xyxal2Si1-XalXO7：Tb3 +（X = 0-1，Ca2Al2SiO7 - > Cayal3O7）磷光体的AS获得的固体溶液表现出可调的光学性能，其中Cayal3O7：TB（3+）展示了一个与CA2AL2SIO7：TB3 +相比，缩短了相关多面体的缩短粘接距离大大提高了热稳定性。收缩键距离增强了局部结构的压力，有效地抑制了非辐射转变，有助于预防热降解。具有优异的结构稳定性的形成磷光体可以有效地掺入各种镧系元素（Eu3 +，Tb3 +，Sm 3 +，Dy3 +和Pr3 +）以解决灵感输出。

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《Physical chemistry chemical physics: PCCP》 |2020年第28期|共7页
作者
Yang Xiuxia; Zhao Lei; Liu Zhichao; Tian Shuyu; Zhang Hao; Xu Xuhui; Qiu Jianbei; Yu Xue;
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作者单位

Kunming Univ Sci &

Technol Coll Mat Sci &

Engn Kunming 650093 Yunnan Peoples R China;

Baoji Univ Arts &

Sci Sch Phys &

Optoelect Technol Baoji 721016 Shaanxi Peoples R China;

Kunming Univ Sci &

Technol Coll Mat Sci &

Engn Kunming 650093 Yunnan Peoples R China;

Kunming Univ Sci &

Technol Coll Mat Sci &

Engn Kunming 650093 Yunnan Peoples R China;

Kunming Univ Sci &

Technol Coll Mat Sci &

Engn Kunming 650093 Yunnan Peoples R China;

Kunming Univ Sci &

Technol Coll Mat Sci &

Engn Kunming 650093 Yunnan Peoples R China;

Kunming Univ Sci &

Technol Coll Mat Sci &

Engn Kunming 650093 Yunnan Peoples R China;

Kunming Univ Sci &

Technol Coll Mat Sci &

Engn Kunming 650093 Yunnan Peoples R China;

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正文语种 eng
中图分类物理学;化学;
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1. Achieving high thermal stability of different rare-earth ions in a single matrix hostviathe manipulation of the local structure by a solid solution [J] . Yang Xiuxia, Zhao Lei, Liu Zhichao, Physical chemistry chemical physics: PCCP . 2020,第28期

机译：在单个基质宿主中实现不同稀土离子的高热稳定性，通过固溶体操纵局部结构的操纵
2. The structure and stability of aqueous rare-earth elements in hydrothermal fluids: New results on neodymium(III) aqua and chloroaqua complexes in aqueous solutions to 500℃ and 520 MPa [J] . Robert A. Mayanovic, Alan J. Anderson, William A. Bassett, Chemical geology . 2009,第1a2期

机译：水热流体中稀土元素水的结构和稳定性：在500℃和520 MPa的水溶液中钕（III）水和氯水配合物的新结果
3. One-Dimensional Cd~(II) Coordination Polymers:Solid Solutions with Ni~(II),Thermal Stabilities and Structures [J] . Dejana Vujovic, Helgard G.Raubenheimer, Luigi R.Nassimbeni European journal of inorganic chemistry . 2004,第14期

机译：一维Cd〜（II）配位聚合物：Ni〜（II）固溶体，热稳定性和结构
4. Influence of Si on the microstructure of arc evaporated (Ti,Si)N thin films; evidence for cubic solid solutions and their thermal stability [C] . A. Flink, T. Larsson, J. Sjolen, International Conference on Metallurgical Coatings and Thin Films . 2006

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Achieving high thermal stability of different rare-earth ions in a single matrix hostviathe manipulation of the local structure by a solid solution

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