A series of CaWO₄: Tb³⁺, Sm³⁺ phosphors was successfully synthesized via the facile high temperature solid state reaction method. The phase purity and effect of different valence doping on cell parameters were evaluated by XRD analysis. When the trivalent RE³⁺ replaces the divalent Ca²⁺, the local electric field is generated, which has obvious influence on the lattice. The excitation spectra show that Tb³⁺ and Sm³⁺ can be excited simultaneously in the co-doped phosphors. The emission spectra of phosphors show that white phosphors can be obtained by adjusting the doping ratio and there is an energy transfer from Tb³⁺ to Sm³⁺ in the co-doped phosphors. The electronic structures of phosphors were studied by the first principle calculations. The quantum efficiency, thermal dependence and comparison with the absorption spectra of the pigments show that CaWO₄: 0.01 Tb³⁺, 0.01Sm³⁺ phosphor has potential applications in the fields of white LEDs and plant lamps.

通过简便的高温固相反应方法成功合成了一系列CaWO ₄：Tb ³⁺，Sm ³⁺荧光粉。通过XRD分析评估了相纯度和不同价态掺杂对细胞参数的影响。当三价RE ³⁺取代二价Ca ^2+时，会产生局部电场，这会对晶格产生明显影响。激发光谱表明，在共掺杂的磷光体中可以同时激发Tb ³⁺和Sm ³⁺。磷光体的发射光谱表明，通过调节掺杂比可以得到白色磷光体，并且存在从Tb ³⁺到Sm的能量转移。共掺杂磷光体中的³⁺。通过第一原理计算研究了磷光体的电子结构。量子效率，热依赖性以及与颜料吸收光谱的比较表明，CaWO ₄：0.01 Tb ³⁺，0.01Sm ³⁺荧光粉在白色LED和植物灯领域具有潜在的应用。