核-壳型复合结构纳米粒子研究进展

介绍了核-壳型有序组装复合结构纳米粒子(CS-NP)在作为复合半导体、生物活性物质或药物的控制释放、活性组分的包埋与保护、可控催化、解决纳米粒子的团聚以及作为纳米粒子合成反应器、分离器等方面的应用。对目前合成CS-NP的方法进行了归纳:模板法、自组装法、模板/自组装法等。详细介绍了这些方法的工艺过程,并以一些具体实例从合成产物的包埋完整度、过程的难易程度、对前聚物的要求、合成产物的稳定性、进一步修饰性等方面对这些方法的适用性、优缺点进行了评述。提出了CS-NP研究领域目前存在的问题以及今后可能的研究方向。

Advances in research of core-shell structured composite nanoparticles

A review was made on the latest research advances of core-shell structured composite nanoparticles.And the wide applications of them were introduced,for example,in the synthesis of a composite semiconductor,in the controllable release or protection of bioactive substances,in the controllable catalysis,and in the nanoreactor or nanoseparator etc.Three preparation approaches were summarized as follows: templating,self-assembly,and the combination of templating and self-assembly.The mechanisms were explained in detail,including the preparation procedures introduced with some concrete samples for each preparation technique.Characteristics,advantages and disadvantages were analyzed for such methods.Promising application fields and the curious and expected development were predicted.