As an emerging host phosphor material, barium chlorapatite (Ba₅(PO₄)₃Cl), is attracting growing attention. However, rare earth-doped Ba₅(PO₄)₃Cl phosphors have mainly been obtained via high temperature-based, energy-consuming techniques. In this contribution, we developed a straightforward, facile room-temperature coprecipitation method in the presence of a specific amount of ethylenediaminetetraacetic acid disodium salt that provided Ba₅(PO₄)₃Cl nanoparticles self-assembled to construct uniform Ba₅(PO₄)₃Cl nanoassemblies (diameter: 80–120 nm) as well as rare earth Tb³⁺-doped Ba₅(PO₄)₃Cl:xTb³⁺ nanophosphors. The nanoassemblies were transparent within the ultraviolet and visible spectral range. The Ba₅(PO₄)₃Cl:xTb³⁺ nanophosphors exhibited four emission peaks under 228-nm excitation, and the optimal doping amount of Tb³⁺ was 4.0%. In contrast to traditional energy-consuming, high-temperature techniques, the facile room-temperature coprecipitation method developed here represents an attractive alternative route to obtain uniform Ba₅(PO₄)₃Cl nanoassemblies and Ba₅(PO₄)₃Cl:xTb³⁺ nanophosphors that are candidate luminescent hosts.

作为新兴的主体磷光体材料，次氯酸钡（Ba ₅（PO ₄）₃ Cl）正在引起越来越多的关注。然而，稀土掺杂的Ba ₅（PO ₄）₃ Cl荧光粉主要是通过基于高温的，耗能的技术获得的。在这项贡献中，我们开发了一种简单，简单的室温共沉淀方法，该方法在一定量的乙二胺四乙酸二钠盐存在下提供Ba ₅（PO ₄）₃ Cl纳米粒子自组装以构建均匀的Ba ₅（PO ₄）。₃Cl纳米组件（直径：80–120 nm）以及掺有稀土Tb ^3+的Ba ₅（PO ₄）₃ Cl：x Tb ³⁺纳米磷光体。纳米组件在紫外和可见光谱范围内是透明的。Ba ₅（PO ₄）₃ Cl：x Tb ³⁺纳米磷光体在228 nm激发下表现出四个发射峰，Tb ³⁺的最佳掺杂量为4.0％。与传统的耗能高温技术相比，此处开发的简便的室温共沉淀方法是获得均匀Ba的有吸引力的替代方法。₅（PO ₄）₃ Cl纳米组件和Ba ₅（PO ₄）₃ Cl：x Tb ³⁺纳米磷光体是候选发光主体。