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Ion-Pairing Assemblies Based on Pentacyano-Substituted Cyclopentadienide as a pi-Electronic Anion

机译:基于五氯苯并取代的环戊二烯酸酯作为π电子阴离子的离子对组件

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摘要

Pentacyanocyclopentadienide (PCCp-), a stable pi-electronic anion, provided various ion-pairing assemblies in combination with various cations. PCCp--based assemblies exist as single crystals and mesophases owing to interionic interactions with pi-electronic and aliphatic cations with a variety of geometries, substituents, and electronic structures. Single-crystal X-ray analysis revealed that PCCp- formed cation-dependent arrangements with contributions from charge-by-charge and charge-segregated assembly modes for ion pairs with pi-electronic and aliphatic cations, respectively. Furthermore, some aliphatic cations gave dimension-controlled organized structures with PCCp-, as observed in the mesophases, for which synchrotron XRD analysis suggested the formation of charge-segregated modes. Noncontact evaluation of conductivity for (C12H25)(3)MeN+center dot PCCp- films revealed potential hole-transporting properties, yielding a local-scale hole mobility of 0.4 cm(2)V(-1) s(-1) at semiconductor-insulator interfaces.
机译:五元环戊二烯五胺(PCCp-)是一种稳定的π电子阴离子,提供了与各种阳离子结合的各种离子配对组件。基于PCCp的组装体由于与具有各种几何形状,取代基和电子结构的pi电子和脂肪族阳离子发生离子间相互作用而作为单晶和中间相存在。单晶X射线分析表明,PCCp形成的阳离子依赖性排列分别来自具有π电子和脂族阳离子的离子对的逐电荷组装和电荷分离组装模式。此外,如在中间相中所观察到的,一些脂肪族阳离子具有PCCp-尺寸控制的有组织结构,对此,同步加速器XRD分析表明形成了电荷分离模式。 (C12H25)(3)MeN +中心点PCCp-膜的电导率非接触评估显示了潜在的空穴传输性质,在半导体上产生的局部尺度空穴迁移率为0.4 cm(2)V(-1)s(-1) -insulator接口。

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