Preparation of new conducting Langmuir-Blodgett films using spontaneous chemical reaction on the water surface

利用水面自发化学反应制备新型导电Langmuir-Blodgett薄膜

基本信息

批准号：
15560003
负责人：
OHNUKI Hitoshi
金额：
$ 2.18万
依托单位：
Tokyo University of Marine Science and Technology
依托单位国家：
日本
项目类别：
Grant-in-Aid for Scientific Research (C)
财政年份：
2003
资助国家：
日本
起止时间：
2003 至 2004
项目状态：
已结题

来源：
https://kaken.nii.ac.jp/en/grant/KAKENHI-PROJECT-15560003/
关键词：
Organic conductors Langmuir-Blodgett films molecular electronics

项目摘要

Recently we found that the molecular mixture of simple oxygen substituted TTF derivatives and fatty acid spontaneously forms a conducting Langmuir film on the water surface. Such reaction is very useful for obtaining conducting Langmuir-Blodgett(LB) films with its simple and easy preparation aspect. The aim of this project is development of this method and establishing it as a tool for the upcoming research field of molecular electronics. During the period of project, we carried out several studies and obtained useful knowledge as being summarized in the followings ;1.Exploring new molecular combinationsThere is a possibility to prepare novel conducting LB films with new molecular combinations through the above reaction. We examined the newly synthesized TTF molecules, EDO-TTF-SC_<18> and BEDO-TSeF, to make the combination with acetic acid(AcA) and stearic acid(SA). For both EDO-TTF-SC_<18>/AcA and BEDO-TSeF/SA, the above reaction proceeded to provide conducting LB films. The results indicate that the chemical reaction proceeds in the wide variety of molecular system of oxygen substituted TTF derivatives and fatty acid.2.The reaction with carboxyl-terminated self assembled monolayer(SAM)The reaction between BEDO-TTF and carboxyl-terminated SAM was examined for obtaining electrical conducting SAM. It was found that BEDO-TTF reacted with carboxyl-terminated SAM forming a layer of its thickness 9Å, but the film was not homogeneous and contained a lot of islands. These researches were carried out as join research project with a research group of Dr.D.Villaume (IEMN-CNRS, Lille, France).3.Application for biosensorIt is known that organic conducting material can be used as a mediator for electron transferring in amperometric enzyme sensors. As the first step for this application, we examined the immobilization of glucose oxidase in the BEDO-TTF/SA LB films. The results indicate that a certain amount of glucose oxidase can be absorbed in the LB films.

最近我们发现简单的氧取代TTF衍生物和脂肪酸的分子混合物在水表面自发形成导电Langmuir薄膜，这种反应因其简单易行的优点对于获得导电Langmuir-Blodgett(LB)薄膜非常有用。本项目的目的是开发这种方法并将其作为分子电子学即将到来的研究领域的工具。在项目期间，我们进行了多项研究并获得了有用的知识，总结如下：1.探索。新的分子组合通过上述反应，有可能用新的分子组合制备新型导电LB膜。我们研究了新合成的TTF分子EDO-TTF-SC_<18>和BEDO-TSeF，以与乙酸(AcA)结合。对于EDO-TTF-SC_ 18 /AcA和BEDO-TSeF/SA，进行上述反应以提供导电LB膜。化学反应在氧取代的TTF衍生物和脂肪酸的多种分子体系中进行。2.与羧基封端自组装单层(SAM)的反应研究了BEDO-TTF与羧基封端SAM之间的反应，以获得发现BEDO-TTF与羧基封端的SAM反应形成厚度为9Å的导电层，但薄膜不均匀且包含许多岛。与 D.Villaume 博士（IEMN-CNRS，法国里尔）的研究小组进行了联合研究项目。3.生物传感器的应用众所周知，有机导电材料可以用作电流分析中电子转移的介体。作为该应用的第一步，我们检查了 BEDO-TTF/SA LB 膜中葡萄糖氧化酶的固定化，结果表明一定量的葡萄糖氧化酶可以被吸收。 LB 电影。