金属微纳结构精确制备、局域电场增强调控及其传感性能研究

项目研究内容和意义简介：.1）研究金属微纳结构中的表面等离激元激发引起的局域电场增强效应与微结构之间的关系；2）优化结构设计，研究具有表面拉曼增强的金属微纳结构衬底，探索其在微量检测方面的应用；3）研究基于表面等离激元共振对环境折射率变化高灵敏度传感器的新原理、新方法；4）研究表面等离激元共振与分子振动的耦合效应，发展在红外或近红外具有共振特性的分子检测与识别的新原理、新方法；5）发展材料精确制备技术，实现大面积有序金属纳米结构的可控组装。我们将围绕金属微纳结构表面等离激元共振应用中的一些科学问题与材料制备问题，力图研究纳米材料的精确制备、可控组装，研究材料结构和其性能的关系，并积极探索其应用。

1)Study the properties of surface plasmon excitationsin metal micro- and nano-structures and explore the relationship between the induced local electric field enhancement effect and the microstructures; 2)Optimize the structural designof the metal micro- and nano-structure as surface enhanced Raman scattering substrate andexplore its application in trace detection; 3)Study new principles and methods based on surface plasmon resonance forenhancing the sensitivity of sensors for monitoring the refractive index change of the environment; 4)Studythe coupling effects between surface plasmon resonance and molecular vibration,explore new principles, new methods for detection and recognition of moleculeswith the characteristicresonances in the infrared or near infrared; 5)Develop materialspreparation method with accurate control to achieve large area ordered metal nanostructures. We will focus on scientific and applicationsproblemsof surface plasmon resonancein metal micro-and nano-structured materials, trying to study the precise preparation of nanomaterials, controlled assembly, material structure and performance relationship, and actively explore its application.