DEVELOPMENT OF AZO DYES HAVING PERFLUOROALKYL GROUP ORIENTED FOR MONOLAYER TYPE MOLECULAR MEMORY

在本研究中，考虑到基于有机单分子或LB膜的分子存储，通过引入氟烷基，对新型甲基黄型偶氮染料进行了分子设计，以实现强密堆积的单分子膜的形成。表面压力-面积测量表明，氟烷基能有效地促进单分子膜的形成。此外，以N-甲基甘氨酸链段为亲水基团、具有Gemini结构的氟烷基偶氮染料在偶氮染料的单分子层中实现了高度的排列控制和紧密堆积，并确定了Gemini结构的最佳链长。对于在Au碱上形成自组装单分子膜，还开发了同时具有氟烷基和末端SH基团的甲基黄衍生物。

In this study, with in mind in molecular memories based on organic monomolecular or LB film, novel Methyl Yellow type azo dyes were molecular-designed by introducing fluoroalkyl groups to achieve the strong and close-packing monolayer formation. Based on the surface pressure-area measurements, it was made clear that the fluoroalkyl group can effectively enhance the monomolecular film formation. Furthermore, fluoroalkylated azo dyes having N-methyl-glycine segment as a hydrophilic group and Gemini structure highly attained both alignment controlling and close-packing in monolayer of azo dyes, and the most suitable chain length of Gemini structure was determined. With respect to Self-Assembled monolayer formation on to Au base, Methyl Yellow derivatives having both fluoroalkyl and terminal SH groups were also developed.