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中文摘要：
通过模板法与溶胶-凝胶法相结合,在温和的条件下制备了介孔Y2O3。再采用水热反应法制得Eu^3＋、Gd^3＋单掺杂及Eu^3＋,Gd^3＋双掺杂的三种介孔Y2O3组装体（介孔Y2O3∶Eu^3＋,介孔Y2O3∶Gd^3＋,介孔Y2O3∶Eu^3＋,Gd^3＋）。利用广角和小角X射线衍射（XRD）、透射电子显微镜（TEM）对介孔Y2O3进行了表征,结果表明,所制备的介孔Y2O3为立方相,具有六方孔道结构,孔径约10nm。对介孔Y2O3和组装体系进行了荧光光谱（PL）分析,发现在550℃热扩散处理后,介孔Y2O3∶Eu^3＋的发光存在基质对Eu^3＋的能量传递,Y2O3∶Eu^3＋,Gd^3＋体系中Gd^3＋对Eu^3＋也有能量传递作用。
英文摘要：
Mesoporous Y2O3 material was prepared by the combination of the sol- gel process and template method under mild condition. Then,each of the rare earth ions Eu^3＋ ,Gd^3＋ doped and the both ions co-doped mesoporous Y2O3 were synthesized by hydrothermal method. The RE - doped mesoporous Y2O3 materials were analyzed by small - angle and wide - angle X - ray diffraction （XRD）, and transmission election mieraseope （TEM）. The results show that the as-prepared mesoporous Y2O3 material exhibits cubic structure with array of hexagonal pores in diameter of 10nm. The spectral behaviours of Y2O3, Y2O3 ： Eu^3＋ , Y2O3：Gd^3＋ , Y2O3：Eu^3＋ , Gd^3＋ were studied. The energy transfer from Gd^3＋ to Eu^3＋ in mesoporous Y2O3：Eu^3＋ , Gd^3＋ materials and the energy transfer from Y2O3 to Eu^3＋ in Y2O3：Eu^3＋ materials were identified.
同期刊论文项目
同项目期刊论文
Synthesis and luminescence properties of red long-lasting phosphor Y2O2S:Eu3+, Mg2+, Ti4+ nanopartic
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