Author/Authors :
Cao، نويسنده , , Ting and Chen، نويسنده , , Guitang and Lü، نويسنده , , Wancong and Zhou، نويسنده , , Han and Li، نويسنده , , Jianfu and Zhu، نويسنده , , Zhaojie and You، نويسنده , , Zhenyu and Wang، نويسنده , , Yan and Tu، نويسنده , , Chaoyang، نويسنده ,
Abstract :
The photoluminescence properties of silicate glasses, singly doped with europium ions and co-doped with europium ions and Al powder, have been characterized by the absorption, excitation, and emission spectroscopies. The absorption edge in the absorption spectra shows a large red shift from 320 nm to 405 nm. Under near-ultraviolet (NUV) excitation, sample, doped with Eu3+ emit intense red light while those co-doped with Eu3+ and Al give intense cyan emission. The influences of the glass compositions on the spectroscopic properties are also discussed. These glasses may be potential candidates for light-emitting diodes (LEDs).
