ACS Appl Mater Interfaces. 2010 Oct;2(10):2733-7. doi: 10.1021/am100726w.
This paper presents a "one-pot" procedure to synthesize polystyrene/(rare-earth-doped nanoparticles) (PS/REDNPs) hybrid hollow spheres via the in situ diffusion of organic core into inorganic shell under strong capillary force. In this approach, when carboxyl-capped PS colloids were deposited by different REDNPs in aqueous medium, such as LaF3:Eu3+, LaF3:Ce3+-Tb3+, and YVO4:Dy3+, PS/REDNPs inorganic-organic hybrid hollow spheres could be directly obtained via the in situ diffusion of core PS chains into the voids between rare-earth-doped nanoparticles through the strong capillary force. Not only is the synthetic procedure versatile and very simple, but also the obtained hybrid hollow spheres are hydrophilic and luminescent and could be directly used in chemical and biological fields.
本文提出了一种“一锅法”工艺，通过强毛细力作用下的有机核向无机壳的原位扩散，合成聚苯乙烯/（稀土掺杂纳米粒子）（PS/REDNPs）杂化空心球。在该方法中，当羧基封端的 PS 胶体在水介质中被不同的 REDNPs 沉积时，如 LaF3:Eu3+、LaF3:Ce3+-Tb3+和 YVO4:Dy3+，PS/REDNPs 无机-有机杂化空心球可以通过强毛细力作用下的核心 PS 链原位扩散到稀土掺杂纳米粒子之间的空隙中直接得到。该合成方法不仅具有通用性和非常简单的特点，而且得到的杂化空心球具有亲水性和发光性，可以直接应用于化学和生物学领域。
