化学响应性光子晶体

光子晶体是一种具有光子带隙结构的周期性电介质材料,如果将响应性材料组装到光子晶体结构中,所形成的光子晶体的带隙结构则对外界环境的变化具有响应性,而被称为响应性光子晶体。响应性光子晶体作为光子晶体的一个新领域,由于其在传感器,生物医学,临床检测等方面的潜在应用,近几年受到广泛关注。根据外界环境的不同,响应性光子晶体可简单分为化学响应性光子晶体、物理响应性光子晶体和生物响应性光子晶体等。本文将对化学响应性光子晶体的国内外研究动态做一简要介绍,重点介绍以下五种化学响应性光子晶体:金属离子响应光子晶体、pH响应光子晶体、氧化还原响应光子晶体、葡萄糖响应光子晶体和光化学响应光子晶体。

Chemical Responsive Photonic Crystals

Photonic crystals(PCs) are periodic dielectric-structure materials with a photonic bandgap for electromagnetic waves.By combining stimuli-sensitive material with photonic crystals,the formed photonic crystals can respond to the external environments,which are named as responsive photonic crystals.Being a new branch of photonic crystals,responsive photonic crystals have attracted considerable attention as applications in sensors,biomedicine,clinical assay,sensor etc in recent years.According to difference of external environments,responsive photonic crystals can be briefly classified into three different types,chemical responsive photonic crystals,physical responsive photonic crystals and biological responsive photonic crystals.In this article,we mainly review the progress in chemical responsive photonic crystals in recent years,including metal ion-responsive,pH-responsive,redox-responsive,glucose-responsive and photochemistry-responsive photonic crystals.