In this study, a new assembly strategy for lyotropic chromonic liquid crystals (LCLCs) is proposed using iπ–iπ interactions, mainly comprising electrostatic and dispersion forces, between charged π‐electronic systems to form stacking structures supported by the hydration of triethylene glycol (TEG) units. Meso‐TEG‐aryl‐substituted porphyrin AuIII complex, an amphiphilic π‐electronic cation, showed diverse states and assembly modes in ion pairs depending on the coexisting counteranions. The PCCp– ion pair formed a hexagonal columnar (Colh) LC phase based on a charge‐by‐charge assembly, suggesting the formation of an ordered arrangement of charged p‐electronic systems through iπ–iπ interactions, with reduced interactions between the TEG chains. Furthermore, in the presence of water, LCLC behaviors in the Colh and nematic columnar phases according to the amount of water were observed for the PCCp– ion pair via iπ–iπ interactions. Magnetic‐field‐induced orientation of the charge‐by‐charge columnar structures upon dehydration was observed. Furthermore, single‐stranded charge‐by‐charge columnar structures, as components of the LCLCs, were observed using transmission electron microscopy (TEM).

中文翻译：

---

通过两亲性带电 π 电子系统的交替堆叠组装实现离子对有色液晶


在这项研究中，提出了一种新的溶致发色液晶（LCLC）组装策略，利用带电π电子系统之间的iπ-iπ相互作用（主要包括静电力和色散力）形成由三甘醇（TEG）水合支持的堆叠结构。 ) 单位。内消旋-TEG-芳基取代的卟啉 AuIII 络合物是一种两亲性 π 电子阳离子，根据共存的抗衡阴离子，离子对显示出不同的状态和组装模式。 PCCp-离子对形成基于逐电荷组装的六方柱状（Colh）LC相，表明通过iπ-iπ相互作用形成带电p电子系统的有序排列，并且TEG链之间的相互作用减少。此外，在存在水的情况下，通过 iπ-iπ 相互作用，观察到 PCCp-离子对在 Colh 和向列柱状相中根据水量的 LCLC 行为。观察到脱水时磁场诱导的逐电荷柱状结构的取向。此外，使用透射电子显微镜（TEM）观察到作为 LCLC 组成部分的单链逐电荷柱状结构。