手性导电高分子的应用进展

Progress in the Application of Chiral Conductive Polymers

手性导电高分子作为高分子一类新兴的分支,结合了手性分子和导电高分子的优点,具有独特的导电性、光学活性和手性,其种类丰富,应用领域广泛而成为研究热点。手性导电高分子具有4个结构特征:(ⅰ)主链中有共轭π-π~*键,具有离域效应;(ⅱ)室温电导率可在绝缘体半导体金属态范围内变化;(ⅲ)可以掺杂和脱掺杂且完全可逆;(ⅳ)掺杂的实质是氧化还原反应,伴随着掺杂和脱掺杂有完全可逆的颜色变化。文中简要综述了模板法制备手性导电高分子,基于手性导电高分子现有的结构特征,深入分析了近十年来手性导电高分子在电学、磁学、化学和生物等领域的应用现状。

Chiral conductive polymer materials are rich in variety and widely used in the field as a new field of polymer materials.It combined with the advantages of chiral molecules and conductive polymers.Chiral conductive polymer materials with unique electrical conductivity,optical activity and chirality have become research hotspots.The chiral conductive polymer has four structural features:(ⅰ)there is a conjugate-neutrons*bond in the main chain,which has an off-domain effect;(ⅱ)the conductivity of room temperature can change in the range of metal state of insulator semiconductor.(ⅲ)it can be doped and undoped and completely reversible;(ⅳ)the substance of doping is oxidative reduction reaction,which has completely reversible color changes along with doping and de-doping.In this paper,the preparation of chiral conductive polymer materials by template method was briefly reviewed.Based on the existing structural characteristics of chiral conducting polymers,the applications of chiral conducting polymers in electrical,magnetic,chemical and biological fields were thoroughly analyzed.