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Construction of Fullerene-like Extra Large Carbon Cages in a Supramolecular Fashion and Its Application

超分子方式类富勒烯超大碳笼的构建及其应用

基本信息

批准号：
20750099
负责人：
TASHIRO Kentaro
金额：
$ 2.83万
依托单位：
National Institute for Materials Science
依托单位国家：
日本
项目类别：
Grant-in-Aid for Young Scientists (B)
财政年份：
2008
资助国家：
日本
起止时间：
2008 至 2009
项目状态：
已结题

来源：
https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-20750099/
关键词：
コラニュレン金ナノパーティクル自己組織化液晶

项目摘要

Assembly of corannulene with a bowl shaped nonplanar π-conjugated system was investigated by using its various derivatives bearing multiple peripheral substituents. Gold nanoparticles wrapped with a carbon cage composed of corannulene moieties were constructed by using the attractive multivalent interaction between gold and multiple thioether parts in the peripheral substituents of the corannulene core. SHG signals of such corannulene-attached gold nanoparticles were ~8 times more intense than those of alkanethiol modified gold nanoparticles of the same size. Inspired by the accidental observation that a newly synthesized corannulene derivative shows a mesomorphic behavior, design of the first example of liquid crystalline corannulene as well as its macroscopic alignment in response to the application of electric field was also achieved. These findings contribute the development of materials science of corannulene.

研究了角轮烯衍生物与碗状非平面π共轭体系的组装。利用金与corannulene核周围取代基中的多个硫醚部分之间的吸引多价相互作用，构建了由corannulene部分组成的碳笼包裹的金纳米颗粒。这种corannulene连接的金纳米粒子的SHG信号比相同尺寸的烷醇改性的金纳米粒子的SHG信号强约8倍。受偶然观察到新合成的corannulene衍生物显示介晶行为的启发，还实现了液晶corannulene的第一个实例的设计以及其响应于施加电场的宏观取向。这些研究结果有助于角轮烯材料科学的发展。