Ce3+掺杂磷酸盐玻璃的紫外与可见光学性能

功能材料, 2004, 35(z1): 286-288.

Ce3+掺杂磷酸盐玻璃的紫外与可见光学性能

张俊标 ^1, , 饶金华 ^2, , 袁双龙 ^3, , 杨云霞 ^4, , 陈国荣 ^5, , ^6, , ^7, , ^8,

1.华东理工大学,材料科学与工程学院无机材料研究所,上海,200237

2.华东理工大学,材料科学与工程学院无机材料研究所,上海,200237

3.华东理工大学,材料科学与工程学院无机材料研究所,上海,200237

4.华东理工大学,材料科学与工程学院无机材料研究所,上海,200237

5.华东理工大学,材料科学与工程学院无机材料研究所,上海,200237;ENEA-FIS/ION,Via Anguillarese 301,00060 S.Maria di Galeria(Roma),Italy

6.ENEA-FIS/ION,Via Anguillarese 301,00060 S.Maria di Galeria(Roma),Italy

7.ENEA-FIS/ION,Via Anguillarese 301,00060 S.Maria di Galeria(Roma),Italy

8.Institute of Physics ASCR,Cukrovarnicka 10,16253 Prague,Czech Republic

基金项目: 国家自然科学基金(50242017) 上海市科委资助项目(035207015)

关键词：闪烁材料 , 磷酸盐玻璃 , Ce掺杂 , 光碱度

The red-shift of ultraviolet spectra and relation to optical basicity of the Ce-doped alkali rare earth phosphate glasses

研究了基于钆和钠磷酸盐Ce3+掺杂磷酸盐玻璃的紫外吸收和发射光谱.与不含Ce3+的磷酸盐玻璃相比,掺Ce3+的样品紫外吸收边向长波方向移动,发射光谱也随玻璃组成的变化发生相应地红移.该现象的解释基于玻璃光碱度的变化,光碱度不仅与碱金属含量有关,也与O/O值有关.O/P值与PO4单元中的非桥氧数成比例,并且对玻璃的整体光碱度起着主要的决定作用.

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