表面活性剂参与制备稀土上转换纳米发光材料的研究进展

Research progress in the preparation of rare earth up-conversion luminescent nanomaterials by surfactants

稀土上转换发光材料(UC-NPs)由于具备优异的光物理特性,如化学稳定性高、光稳定性好和荧光寿命长等,同时其具有较好的生物兼容性而广泛应用于生物检测领域。同时,稀土上转换发光纳米材料(UC-NPs)成为纳米材料制备领域中一个新的研究热点。而表面活性剂参与制备UC-NPs的方法不仅具有简单可调控的优点,而且可以得到水溶性的UC-NPs,扩展了其在生物探针领域的应用。归纳总结了近年来表面活性剂在UC-NPs可调控制备中的应用方式及优势,介绍了表面活性剂参与的相转移水热合成法、碳纳米管表面修饰法、咪唑鎓盐离子热法制备的UC-NPs。

Rare earth up-conversion luminescent materials have been widely used in the field of biological detection due to their excellent photophysical properties,such as high chemical stability,good photostability and long fluorescence lifetime,as well as their good biocompatibility.Therefore,rare earth up-conversion luminescent nanomaterials（UC-NPs）have been a new research hotspot in the field of nanomaterials.The preparation of rare earth UC-NPs by surfactants not only exhibits the advantages like simple and controllable,but also enable the UC-NPs become water soluble and thus extending their application in the field of biological probes.In this paper,the application methods and advantages of surfactants in the preparation of UC-NPs in recent years have been summarized,and the preparation methods by surfactant of phase transfer hydrothermal synthesis,the surface modification of carbon nanotubes,the imidazolium salt ion thermal and emulsion method are introduced.