Creation of Self-Organized Fullerene-Lipid Chemistry

自组织富勒烯-脂质化学的创造

基本信息

批准号：
11450372
负责人：
NAKASHIMA Naotoshi
金额：
$ 8.77万
依托单位：
Nagasaki University
依托单位国家：
日本
项目类别：
Grant-in-Aid for Scientific Research (B)
财政年份：
1999
资助国家：
日本
起止时间：
1999 至 2001
项目状态：
已结题

项目摘要

This study has been carried out to establish "self-organized fullerene chemistry" based on the design and syntheses of fullerene-lipidit hybrid and fullerene-lipid composite materials. The obtained results are summarized below.1. A water-soluble C_<60>-carrying single-chain ammonium amphiphile, 10-(N-Methyl-2-fulleropyrrolidyl) decyltrimethylammonium bromide (1) was synthesized. Compound 1 produces both fibrous aggregates and disk-like aggregates with 10-12 run of thickness through self-organization of 1 in aqueous solution. X-ray diffraction study suggests that cast films of 1 form a multi-layer structure. Electrochemistry for an aqueous solution and for cast films of 1 solely and 1 incorporated in lipid films on electrodes revealed that films of 1 solely and of 1/lipid cast on electrodes showed electron transfer reactions leading to the generation of the fullerene dianion or trianion. The study opens possibilities for the construction of electroactive fullerene-nanoarchitectures with … More ordered structure based on self-assembled molecular organization.2. The higher fullerene C_<84> embedded in cast films of molecular-bilayer-forming cationic lipids on electrodes was found to exhibit evident electron transfer reactions leading to the generation of C_<84> multi-charged anions. This result has both fundamental and applied implications in the chemistry and physics of fulerenes.3. The Unique properties of C_<60>-bearing artificial lipids with a triple-alkyl chain of C_<16> , C_<14>, or C_<12> were characterized by a variety of techniques including ^<13>C NMR, UV-vids and FT-IR spectroscopies, differential scanning calorimetry (DSQ, X-ray diffraction, and electrochemistry. The phase transitions of the lipid films were presented. Regulated electrochemistry at the fullerene lipid-modified electrode devices was possible. The electrogenerated radical monoanions and dianions of the fullerene lipids were found to bind strongly with "soft" electrolyte cations with large size tetra-n-butylammonium and tetra-n-butylphosphonium ions, the present study guides us toward construction of fullerene lipid bilayer devices which might be useful in the field of nanoscience and nanotechnology of fullerenes. Less

本研究以富勒烯-脂质杂化材料和富勒烯-脂质复合材料的设计与合成为基础，建立了“自组织富勒烯化学”，所得结果总结如下： 1． -携带单链铵两亲物，10-(N-甲基-2-富勒吡咯烷基)癸基三甲基溴化铵(1)合成的化合物 1 通过 1 在水溶液中的自组织产生纤维状聚集体和盘状聚集体，表明 1 形成多层结构。水溶液以及仅1的流延膜和1并入电极上的脂质膜中的流延膜表明，仅1的膜和1/脂质流延在电极上的膜显示出电子转移反应，导致生成该研究为构建具有基于自组装分子结构的有序结构的电活性富勒烯纳米结构提供了可能性。 2. 嵌入分子双层流延薄膜中的高级富勒烯 C_<84>。发现在电极上形成阳离子脂质表现出明显的电子转移反应，导致C_<84>多电荷阴离子的产生。该结果在化学中具有基础和应用意义。 3. 具有 C_<16>、C_<14> 或 C_<12> 三烷基链的 C_<60> 人工脂质的独特性质通过多种技术进行表征，包括 ^ 13 C NMR、UV-vids和FT-IR光谱、差示扫描量热法(DSQ、X射线衍射和电化学。相变提出了在富勒烯脂质强修饰电极装置上调节电化学是可能的，发现富勒烯脂质的电生成自由基单阴离子和二阴离子与具有大尺寸四正丁基铵和的“软”电解质阳离子结合。四正丁基鏻离子，本研究指导我们构建富勒烯脂质双层装置，该装置可能在纳米科学和纳米技术领域有用富勒烯