新型三聚咔唑类多环盘状液晶分子的合成、自组装行为及光电性质研究

本项目拟设计合成以三聚咔唑为中心核，外围带有芳炔大环（AEMs）的新型三聚咔唑类多环盘状液晶分子，利用AEMs独特的超分子自组装特性诱导目标分子组装成具有螺旋结构的手性柱相液晶，并研究该类液晶分子的光电行为及载流子迁移率，以期获得新型的光电材料。项目将探究芳炔刚性大环的尺寸、环上所携带的官能团、柔性链等结构因素的改变对三聚咔唑中心核π-π堆积行为的影响，对该新型三聚咔唑类多环盘状液晶分子自组装行为的影响，找出分子结构-组装结构-性能之间的关系。本项目在新型三聚咔唑类盘状分子的设计、合成以及螺旋柱相结构的构筑、组装结构调控方面具有创新性，对三聚咔唑类盘状液晶分子在光电器件领域的应用开发具有重要的理论意义和实际应用价值。

In this project a series of novel triindoles-based multi-ring discotic liquid crystals composed of a triindoles core and peripheral arylacetylene macrocycles (AEMs) will be designed and synthesized, the target molecules will be induced to form chiral helical columnar liquid-crystalline phase through the unique supramolecular property of AEMs, the photoelectric behavior and charge carrier mobility of these liquid crystalline molecule will be investigated in order to obtain new types of photoelectric materials. The effects of the size of AEMs, the functional groups, flexible chains and other structural factors of AEMs on the π-π stacking behavior of triindoles core and self-assembly behavior of triindoles-based discotic liquid crystals will be investigated. The relationship among molecular structures, assembly structures and their properties will be established. The innovative of this project lies in the structural design, synthesis and the construction of helical columnar phase and the regular control on the molecular assembly which have both theoretical and practical significances in the development of the application of triindoles-based discotic liquid crystals in the field of photoelectric devices.