聚噻吩类电致变色材料的研究进展

Development of Electrochromic Materials Based on Polythiophene

电致变色材料广泛应用于显示屏、智能窗、国防军事伪装等各方面,得到了人们的广泛关注。本文介绍了聚噻吩及其衍生物的变色机理,综述了聚噻吩、PEDOT、D-A型材料、D-A-D型材料、噻吩共聚物及其有机/无机纳米复合材料的性能及其研究进展,并简要介绍了噻吩类电致变色材料的应用前景,指出合成颜色变化丰富、稳定性和成膜性好、易加工、并有很好导电性能的D-A-D材料、共聚物及其有机/无机纳米复合材料是聚噻吩类电致变色材料发展的主要趋势。

Electrochromic materials have been attached widespread attention due to their potential applications such as display, smart windows and military camouflag,etc.In this paper,the electrochromic mechanism of polythiophene and its derivatives is introduced.The electrochromic properties,research progress and its application of polythiophene,D-A material,D-A-D material, thiophene copolymer and organic/inorganic nanocomposite materials are reviewed.It is believed that the D-A/D-A-D material, thiophene copolymer and organic/inorganic nanocomposite materials with multicolors,good stability and film forming properties, easy processing,good conductivity properties should be the mainly development direction.