Lenus A J,Rajan K G,Yousuf M,Somadurai D,Purniah B.Luminescence of SrAl2O4:Cr3+. Materials Letters . 2002Luminescence of SrAl 2 O 4 :Cr 3+[J] . Ada López,Mariana G. da Silva,Elisa Baggio-Saitovitch,Alexandre R. Camara,Raimundo N. Silveira,Raul José Mauricio da Fonseca.Journal ...
Samples of SrAl2O4 and SrAl2O4:Cr3+ were prepared by mixing the powder materials SrCO3, Al2O3, and Cr2O3. The crystal structures of the undoped and doped samples were analyzed by X-ray diffraction (XRD) measurements. The diffraction patterns reveal a dominant phase, characteristic of the...
The SrAl2O4: Eu2+, Cr3+, Dy3+ phosphors are prepared by sol-gel-combustion method.Efficient energy transfer from excited Eu2+ ions to Cr3+ ions is realized.The energy transfer is due to the overlap of energy levels of Eu2+ and Cr3+ ions.Persistent luminescence in tissue transparency ...
LiGa5O8:Cr3+相较于蓝绿光长余辉材料,近红光长余辉材料不仅种类少,其性能也相对较差.本文探索基于余辉能量传递的机理,实现将绿光长余辉材料SrAl2O4:Eu2+,Dy3+的余辉能量传递给近红外光长余辉材料LiGa5O8:Cr3+,以此来增强LiGa5O8:Cr3+的余辉性能.实验首先采用高温固相法分别合成SrAl2O4:Eu2+,Dy3+和...