Upconversion luminescence of colloidal solution of Y2O3 nano-particles doped with trivalent rare-earth ions
Upconversion luminescence of colloidal solution of Y2O3 nano-particles doped with trivalent rare-earth ions
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DOI：
10.1016/j.jlumin.2007.12.024
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发表时间：
2008-08
影响因子：
3.6
通讯作者：
D. Matsuura;Tatsuya Ikeuchi;K. Soga
中科院分区：
文献类型：
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作者：
D. Matsuura;Tatsuya Ikeuchi;K. Soga
我们研究了y2o3纳米粒子共掺杂1mol% Er3+和5mol% Yb3+的胶体溶液的上转换发光。与1mol% Er3+和5mol% Yb3+共掺杂的y2o3纳米颗粒表现出烧结和团聚，这是因为它们是通过烧制羟基碳酸盐前驱体合成的。采用两步分散法制备了y2o3纳米粒子共掺杂1mol% Er3+和5mol% Yb3+的胶体溶液，初生纳米粒子的平均直径约为50nm。在980 nm激光二极管的激发下，在异丁基甲酮中共掺杂1mol% Er3+和5mol% Yb3+的原生y2o3纳米粒子的胶体溶液在660nm附近出现强上转换发光，在550nm附近出现弱上转换发光。
We have studied upconversion luminescence of colloidal solution of Y2O3nano-particles codoped with 1mol% Er3+and 5mol% Yb3+. Y2O3nano-particles codoped with 1mol% Er3+and 5mol% Yb3+show sintering and agglomeration, because they are synthesized by firing a hydroxy carbonate precursor. Colloidal solution of Y2O3nano-particles codoped with 1mol% Er3+and 5mol% Yb3+is prepared through two-step dispersion process and the average diameter of the primary nano-particles is about 50nm. Under excitation with 980-nm laser diode, upconversion luminescence of colloidal solution of the primary Y2O3nano-particles codoped with 1mol% Er3+and 5mol% Yb3+in methyl isobuthyl ketone strongly appeared near 660nm and weakly near 550nm.