Preparation of hollow structure NaYF<inf>4</inf>Yb, Er Up-conversion materials
发布时间：2021-03-15点击次数：
- 摘要：The up-conversion materials of NaYF<inf>4</inf>Yb, Er with hollow structural were prepared successfully by a solvothermal method using rare earth trifluoroacetate, sodium fluoride and sodium trifluoroacetate as raw materials. Also, the effect of temperature and the concentration of [Na<sup>+</sup>] on their morphology, crystal phase and luminescence properties were investigated. The morphology, phase structure and luminescence properties of the samples were characterized by scanning electron microscopy, transmission electron microscopy, X-ray powder diffraction, and luminescence spectra. The results indicate that the hollow structure up-conversion materials can be obtained through solvothermal treatment at 220 for 12 h when the molar ratio of NaF to Y<sup>3+</sup> is 2.5. The obtained materials have up-conversion luminescence properties, and the hollow structure makes it a candidate for drug carrier. ©, 2015, Rengong Jingti Xuebao/Journal of Synthetic Crystals. All right reserved.
- 卷号：44
- 期号：3
- 是否译文：否
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- 职称：教授
- 学历：博士研究生
- 学位：博士
- 职务：科技处副处长
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