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    jsp.display-item.identifier=請使用永久網址來引用或連結此文件: http://ir.lib.ncu.edu.tw/handle/987654321/6146


    题名: 合成具有分子腳架之多並苯化合物且用於自組裝分子薄膜之研究;Synthesis of Acenes Contain Molecular Stands for Self-Assembled Monolayers
    作者: 李子炘;Tzu-Hsin Li
    贡献者: 化學研究所
    关键词: 多並苯;分子腳架;自組裝;molecular stands;self-assembled monolayers;acene
    日期: 2005-06-29
    上传时间: 2009-09-22 10:14:00 (UTC+8)
    出版者: 國立中央大學圖書館
    摘要: 多並苯化合物是近來有機電子元件中研究的焦點課題,雖然多並苯化合物在目前研究中都顯示其良好的光電性質,但化合物之溶解度及穩定度等問題仍亟待解決。因此為了深入了解此類化合物之特性並取得更多結構-性質的相關資料,我們藉由“分子腳架”之概念修飾分子中多並苯部分在金表面上之位向,並且成功的合成出三種不同系列 (直立式、側臥式、平躺式) 之多並苯類硫醇腳架化合物。目前我們已進行部份腳架分子與蒽硫醇化合物之自組裝薄膜的實驗,未來我們將更進一步探討分子於金表面上之站立情形,並進行相關電性質的研究以了解電子在自組裝分子薄膜的傳導情況。 In the past decade, acenes have attracted a lot of attentions as the semiconducting components in the fabrication of various devices. Although oligoacenes exhibited respectable photoelectric properties in these applications at present, there are still plenty of rooms for improvment concerning their notoriously poor solubilities and stabilities. In the current dissertation, we set out to further understand the properties of this family of compounds in self assembly monolayer and, moreover, to extend structure-property database for acene at metal-semiconducting interface. We hereby introduce a class of “acene on molecular stands” molecules to fix the orientation of acenes component on gold surface. We have successfully synthesized three series of “acene-on-stand” derivatives (stand-straight, lying, and lying-on-side). We have also constructed SAMs (Self-Assemble Monolayers) with these molecules and other acene thiols. We shall characterize the molecular alignment within these monolayers. Electronic properties of these systems shall also be studied to shed light on how electrons transfer through these monolayers.
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