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中文摘要：
目的：探索高效生物标记纳米荧光材料制备方法。方法：采用水热法合成了GdxY0．98-xF3：Eu0.023＋（x=0～0．98）纳米材料；通过XRD、TEM和荧光光谱对样品进行结构、形貌和性能表征；研究了Gd3＋浓度对Eu3＋发光性能的影响。结果：材料的晶体结构和发光性能随x变化而改变。其中，Gd0.6Y0．38F3：Eu3＋0．02在直接激发和Gd0.7Y0.28F3：Eu0.023＋在基质激发时均可获最强发光。结论：GdxY0．98-xF3：Eu0.023＋有望成为一种可实现生物标记的红色纳米荧光探针。
英文摘要：
Objective：To explore the method of preparing luminescent nanomaterials for efficient biolabels. Methods：GdxY0.98-xF3：Eu0.023＋ nanomatenals Were prepared by hydrothermal synthesis. The structure, morphology and property of samples were charactered by XRD, TEM and fluorescence spectrophotometer. The effects of Gd3＋ concentrations on l properties of Eu3＋ were investiga- ted. Results：Crystal structure and luminescence property of samples are changed with increasing x values. The integrated intensities of nanomaterials have great potential to be one luminescence reach up to maximum when x is 0. 6 or 0. 7. Conclusion： GdxY0.98-xF3：Eu0.023＋ of red efficient fluorescence biolabels in future.
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