Isoindigo-based double-cable type conjugated polymer and application thereof in electrochromism field

The invention relates to an isoindigo-based double-cable type conjugated polymer and application thereof in the field of electrochromism. The structural formula of the isoindigo double-cable type conjugated polymer is as follows: Ar is one of naphthalimide, perylene bisimide, benzotriazole, naphthotriazole, benzopyrroledione, thienopyrroledione, bithiophene imide and derivatives of all the above structures, and Ar is one of naphthalimide, perylene bisimide, benzotriazole, naphthotriazole, benzopyrroledione, thienopyrroledione, bithiophene imide and derivatives of all the above structures; n is a natural number from 1 to 10000; m is a natural number from 1 to 12; x is C or N. The conjugated polymer has high electrochromic stability and is an excellent electrochromic functional layer. 本发明涉及基于异靛青双缆型共轭聚合物及其在电致变色领域的应用。所述的异靛青双缆型共轭聚合物其结构式如下，其中，Ar为萘酰亚胺、苝酰亚胺、苯并三氮唑、萘并三氮唑、苯并吡咯二酮、噻吩并吡咯二酮、双噻吩酰亚胺及以上所有结构的衍生物的一种；所述n为1~10000的自然数；所述m为1~12的自然数；X为C或者N。该共轭聚合物具有较高的电致变色稳定性，是一种优秀的电致变色功能层。