等离激元增强荧光的纳米结构、机制及其应用

Nanostructures,Mechanisms and Applications of Plasmon-enhanced Fluorescence

基于等离激元纳米材料具有优异的光学调控性能,综述了等离激元荧光增强的基本机理,分别阐述了具有特定功能的等离激元增强荧光的纳米结构(PEFNSs)的构效关系,包括等离激元纳米核的材料、形状、尺寸、等离激元纳米颗粒(PNP)与荧光物质间的距离以及荧光物质种类对荧光增强的影响,最后综述了PEFNSs在生物传感器、生物成像和光热疗法和光动力疗法等生物医学领域中的应用,且其在生物、物理、化学等领域的应用具有重要意义。

Based on the excellent optical regulation properties of isophonon nanomaterials,the basic mechanism of isophonon fluorescence enhancement was reviewed,and the structure-activity relationships of isophonon-enhanced fluorescence nanostructures(PEFNSs)with specific functions were described respectively.It included the material,shape,size,distance between PNP and fluorescent substance,and the effect of fluorescent substance type on fluorescence enhancement.Finally,the applications of PEFNSS in biomedical fields such as biosensors,biological imaging,photothermal therapy and photodynamic therapy were reviewed.And its application in biology,physics,chemistry and other fields was of great significance.