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研究生: 林煒舜
Wei-Shun Lin
論文名稱: 羥基喹啉鋁錯合物組合反應及5-胺基菲羅啉聯吡啶釕錯合物光電轉換分析
Tris-(8-hydroquinoline)aluminum complex assembly and ruthenium bis(2,2'-bipyridine)-5-aminophenanthroline photochemical application.
指導教授: 王忠茂
Wang, Chong-Mou
學位類別: 碩士
Master
系所名稱: 化學系
Department of Chemistry
論文出版年: 2014
畢業學年度: 102
語文別: 中文
論文頁數: 67
中文關鍵詞: 羥基喹啉鋁錯合物胺基菲羅啉聯吡啶釕錯合物
英文關鍵詞: Tris-(8-hydroquinoline)aluminum, ruthenium bis(2,2'-bipyridine)-5-aminophenanthroline
論文種類: 學術論文
相關次數: 點閱:127下載:1
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  • 本論文探討內容包括兩部分,第一部分探討以掃描穿隧顯微術(STM)觀察羥基喹啉鋁錯合物(tris-(8-hydroxyquinoline)aluminum,簡稱AlQ3)逐步修飾於ITO導電玻璃表面之即時影像變化,第二部分則是以導電模組與磁性模組原子力顯微術(簡稱CM-AFM與MFM)探討5-胺基菲羅啉聯吡啶釕錯合物(簡稱Ru(bpy)2(NH2-phen)2+)的光電轉換性質及其應用潛力。實驗結果顯示:當羥基喹啉鋁錯合物逐步修飾於ITO導電玻璃表面時,基材表面的粗糙度會隨修飾進行而呈現系統性改變。我們也發現Ru(bpy)2(NH2-phen)2+可藉由偶氮化修飾法修飾於奈米碳管表面。當吸附於碳管表面的Ru(bpy)2(NH2-phen)2+微粒受到藍光(波長:473 nm)照射時,MFM影像所顯現的相位差會產生明顯變化,其變化程度比受到綠光照射時更為顯著,並會隨外加電壓增加而增加,顯示Ru(bpy)2(NH2-phen)2+受光激發時,其電子組態會由單重態轉變為參重態,致使其磁性增強並顯現光電流,極具應用潛力。

    This thesis focuses on two experiments: one is the study of stepwise assembly of tris-(8-hydroxyquinoline)aluminum (AlQ3) on indium-doped tin oxide (ITO) with STM techniques, and the other, on bis-(2,2’-bypyridyl) 5-aminophenanthroline ruthenate(II) (Ru(bpy)2(NH2-phen)2+) regarding its photochemical properties such as photo-induced magnetic conversion and current rectification with magnetic-mode and conducting-mode microscopic techniques (MFM and CFM). Experimental results show that as 4-aminoanline is modified on ITO via diazotization-cathodic reduction processes, the adsorbate can form diazo linkage with 8-hydroxyquinoline. The resulting adsorbate can thus form complex with aluminum ion in the presence of two excess 8-hydroxyquinoline molecules. Besides, we find that Ru(bpy)2(NH2-phen)2+ can be modified on multiwall carbon nanotube (CNT) via diazotization reaction. The resulting carbon nanotube (Ru@CNT), as excited by blue light (ex: 473 nm ), changes greatly in phase shift, more significantly than exposed to green light. The amplitude of the phase shift is a function of the electric bias (Vb) applied to the host substrate (ITO), increasing with an increase in Vb. These results suggest that the spin of Ru(bpy)2(NH2-phen)2+ might change from singlet to triplet as being photoexcited. Ru@CNT can also conduct electric current to flow between two separated ITO (gated by a 1 m-wide groove) as exposed to blue light, showing application potential in photochemical current rectification.
    Keywords: Tris-(8-hydroquinoline)aluminum、ruthenium bis(2,2'-bipyridine)-5-aminophenanthroline.

    摘要 7 英文摘要 8 第一章 緒論 9 第二章 實驗 13 2-1 儀器設備 13 2-2 化學藥品 15 2-3 實驗步驟 16 第三章 實驗結果與討論 24 3-1 AlQ3的STM影像分析 24 3-2 Ru(bpy)2(NH2-phen)2+的AFM影像分析 41 第四章 結論 59 第五章 未來展望 60 第六章 參考文獻 61 第七章 附錄 63

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