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研究生: 謝侑倫
論文名稱: 含鈷脂質及黏土修飾電極製備與應用:電催化分解含鹵化合物
Electrochemical Reductive Decomposition of Organic Dihalides with Cobalt Modified Electrode Based on Lipid And Clay
指導教授: 王忠茂
學位類別: 碩士
Master
系所名稱: 化學系
Department of Chemistry
論文出版年: 2008
畢業學年度: 96
語文別: 中文
中文關鍵詞: 脂質電極修飾鈷錯合物
英文關鍵詞: Lipid, modified electrode, cobalt complex
論文種類: 學術論文
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  • 有鑑於維生素B12對有機鹵化物的電催化分解潛力,本論文尋求維生素B12結構類似物,以模擬其在分解有機鹵化合物,如2,3-雙溴丁烷、1,2-雙溴丁烷、1,2-雙溴環己烷、和二氯丙酸鈉方面的應用潛力。實驗結果顯示:若以玻璃碳電極對2,3-雙溴丁烷進行還原分解時,須給予-1.6 V vs. SCE的電壓始能達到分解目的,然若在溶液中或在電極上加入含鈷化合物,如(1R,2R)-(-)-1,2-cyclohexanediamino-N-N'-bis(3,5-di-t-butylsalicylidene)Cobalt (IΠ),則可於較正電位將2,3-雙溴丁烷還原分解成低毒性的產物:烯與溴離子。我們也藉由紅外線吸收光譜與電化學交流阻抗進行分析,其結果均證實含鈷化合物確實具有催化分解有機鹵化物的應用潛力。

    The reduction of organic dibromides, such as 2,3-dibromobutane (2,3-DBB), 1,2-dibromobutane (1,2-DBB) and 1,2-dibromocyclohexane, exists with cathodic barrier, which can only be reduced at a potential more negative than -1.6 V vs. SCE with bare carbon electrodes in most aprotic media. While, as cobalt complexes such as (1R,2R)-(-)-1,2-cyclohexanediamino-N-N'-bis(3,5-di-t-butylsalicylidene) Cobalt (III) were incorporated, the barrier could be significantly reduced. Organic dibromides or dichlorides could thus be decomposed into less toxic products: alkenes and the associated halide ions. IR spectral analysis and EIS analysis confirmed these results, suggesting that cobalt complexes are promising green catalysts for the degradation of organic halogen wastes.

    目錄 圖目錄--------------------------------------------------------------------I 中文摘要-----------------------------------------------------------------1 英文摘要 --------------------------------------------------------------- 2 第一章 緒論 -----------------------------------------------------------3 1.1 含鹵有機物的分解----------------------------------------------3 1.2 脂質薄膜----------------------------------------------------------6 1.3 黏土----------------------------------------------------------------7 1.4 交流阻抗----------------------------------------------------------9 第二章 實驗-----------------------------------------------------13 2.1化學藥品------------------------------------------------------------13 2.2實驗設備-----------------------------------------------------------16 2-3 黏土的製備及前處理和Clay/Co-salen/PS電極------------17 2-4 鈷化合物脂質修飾電極製備----------------------------------18 2-5 鹵素離子分析/電位滴定---------------------------------------19 2-6紅外線吸收光譜分析--------------------------------------------20 第三章 實驗結果與討論--------------------------------------21 3-1 含鈷化合物催化解有機鹵化物之探討-----------------------21 3-2 含鈷修飾電極對有機鹵化物的電催化分解探討-----------34 3-3 有機鹵化物電解反應及產物鑑定-----------------------------51 3-4 交流阻抗分析(Electrochemical Impedance Spectral Analysis, 簡稱EIS)----------------------------------------------------------60 3-5 流體注入法分析 (Flow injection analysis 簡稱FIA)-----65 第四章 結論-------------------------------------------------------------70 第五章 參考文獻------------------------------------------------71 第六章 附錄------------------------------------------------------75

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