采用高温固相法合成了稀土离子Pr3+、Sm3+、Tb3+、Dy3+、Tm3+掺杂的正交相CaZrO3荧光粉。利用X射线粉末衍射(XRD)对样品的结构进行表征, 并通过荧光光谱对其发光性质进行了研究。在适当近紫外或蓝光激发下, CaZrO3∶Pr3+产生很强的绿光发射, CaZrO3∶Sm3+可发射550~700 nm的红橙光, Tm3+在CaZrO3中可获得良好的蓝光发射。研究结果表明, 通过改变CaZrO3中的掺杂离子可实现其发光颜色的调控, 稀土离子掺杂CaZrO3荧光粉是很有潜力的新型发光材料。

The orthorhombic CaZrO3∶Ln (Ln=Pr3+, Sm3+, Tb3+, Dy3+, Tm3+) were successfully synthesized by solid-state reaction method. The crystalline structure of the samples were characterized by X-ray diffraction (XRD). The luminescence properties were investigated using photoluminescence spectra. Under appropriate near UV- or blue light-radiation, CaZrO3∶Pr3+ showed strong green light emission, CaZrO3∶Sm3+ showed well reddish orange light in the range of 550-700 nm, and CaZrO3∶Tm3+ generated well blue light emission. The results indicate that spectral tuning can be realized by adjusting active ions in CaZrO3, thus rare earth ions-doped CaZrO3 phosphors can be exploited as new luminescence materials.