The phosphor shows strong absorbability of vacuum ultraviolet(VUV) light at 172 nm and 147 nm and broad blue emission at 450 nm under VUV excitation.

• 真空紫外光辐射下的发光光谱(VUV-PL)显示所得粉体在147及172 nm处有较强的真空紫外吸收,172 nm光激发下的粉体在450 nm处呈现强的宽带发射;