透明Yb3+/Ni2+共掺杂硅酸盐玻璃陶瓷的增强宽带近红外发光
Enhanced broadband near-infrared luminescence from transparent Yb3+/Ni2+ codoped silicate glass ceramics.
作者信息
Wu Botao, Zhou Shifeng, Ruan Jian, Qiao Yanbo, Chen Danping, Zhu Congshan, Qiu Jianrong
机构信息
Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China.
出版信息
Opt Express. 2008 Feb 4;16(3):1879-84. doi: 10.1364/oe.16.001879.
The near-infrared emission intensity of Ni(2+) in Yb(3+)/Ni(2+) codoped transparent MgO-Al(2)O(3)-Ga(2)O(3)-SiO(2)-TiO(2) glass ceramics could be enhanced up to 4.4 times via energy transfer from Yb(3+) to Ni(2+) in nanocrystals. The best Yb(2)O(3) concentration was about 1.00 mol%. For the Yb(3+)/Ni(2+) codoped glass ceramic with 1.00 mol% Yb(2)O(3), a broadband near-infrared emission centered at 1265 nm with full width at half maximum of about 300 nm and lifetime of about 220 mus was observed. The energy transfer mechanism was also discussed.
在Yb(3+)/Ni(2+)共掺杂的透明MgO-Al(2)O(3)-Ga(2)O(3)-SiO(2)-TiO(2)微晶玻璃中，通过纳米晶体中Yb(3+)到Ni(2+)的能量转移，Ni(2+)的近红外发射强度可提高至4.4倍。最佳Yb(2)O(3)浓度约为1.00 mol%。对于含有1.00 mol% Yb(2)O(3)的Yb(3+)/Ni(2+)共掺杂微晶玻璃，观察到了以1265 nm为中心的宽带近红外发射，半高宽约为300 nm，寿命约为220 μs。还讨论了能量转移机制。
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