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Synthesis and luminescent properties of uniform monodisperse LuPO4:Eu3+/Tb3+ hollow microspheres

机译:均匀单分散LuPO4:Eu3 + / Tb3 +空心微球的合成及发光性能

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摘要

Uniform monodisperse LuPO4:Eu3+/Tb3+ hollow microspheres with diameters of about 2.4 µm have been successfully synthesized by the combination of a facile homogeneous precipitation approach, an ion-exchange process and a calcination process. The possible formation mechanism for the hollow microspheres was presented. Furthermore, the luminescence properties revealed that the LuPO4:Eu3+ and LuPO4:Tb3+ phosphors show strong orange-red and green emissions under ultraviolet excitation, respectively, which endows this material with potential application in many fields, such as light display systems and optoelectronic devices. Since the synthetic process can be carried out at mild conditions, it should be straightforward to scale up the entire process for large-scale production of the LuPO4 hollow microspheres. Furthermore, this general and simple method may be of much significance in the synthesis of many other inorganic materials.
机译:通过简便的均相沉淀法,离子-离子结合法成功地合成了直径约2.4μm的均匀单分散LuPO4:Eu 3 + / Tb 3 + 中空微球。交换过程和煅烧过程。提出了中空微球的可能形成机理。此外,发光特性表明,LuPO4:Eu 3 + 和LuPO4:Tb 3 + 荧光粉在紫外线激发下分别显示出强烈的橙红色和绿色发射,这赋予了其发光性能。这种材料在光显示系统和光电设备等许多领域具有潜在的应用前景。由于合成过程可以在温和的条件下进行,因此扩大大规模生产LuPO4中空微球的整个过程应该很简单。此外,这种通用且简单的方法在许多其他无机材料的合成中可能具有重要意义。

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