Nanoscaled SrAl12O19:Er3+ and SrAl12O19:Yb3+, Er3+ phosphors were synthesized by a combustion method. The emission inten......

在SrAl12Ol9中,Pr3+的1So处于4f5d之下,可以观察到光子级联发射.研究了SrAl12O19:Pr3+的光谱性质.把第一步发射的谱线强度作为第二......

以SrCO3和Al2O3为原料,掺杂Eu2+和Dy3+,采用高温固相法制备了SrAl12O19∶Eu2+,Dy3+紫色荧光粉。当基质中nSr∶nAl=1∶12时,改变反......