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研究生:郭曜彰
研究生(外文):Kuo Yao-Chang
論文名稱:功能性高分子作為化學戰劑感測材料之研究
指導教授:張章平
指導教授(外文):Chang Chang-Pin
學位類別:碩士
校院名稱:國防大學中正理工學院
系所名稱:應用化學研究所
學門:工程學門
學類:化學工程學類
論文種類:學術論文
論文出版年:2007
畢業學年度:95
語文別:中文
論文頁數:127
中文關鍵詞:化學戰劑偵檢器薄膜感測化學戰劑
外文關鍵詞:ChemosensorFilm DetectorWarfare Agents.
相關次數:
  • 被引用被引用:1
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本文是研究功能性螢光共軛高分子MEH-PPV、DB-PPV及PVK應用其螢光高分子之
特性,作為化學戰劑偵檢器感應材料,希望提高材料與化學戰劑作用效果並縮短其
反應時程,使作業人員儘可能減少暴露於高致死、高危險、高污染之化學戰劑情況
下之時間,期在「安全、快速、有效」原則下完成偵檢任務。本研究配合催淚、癱
瘓、血液、窒息、神經戰劑之模擬化合物,進行常溫常壓下飽合蒸氣壓與模擬化合
物可變濃度感測實驗,並使用螢光光譜儀測試吸附作用後之光譜強度變化,做一系
列探討。結果顯示,螢光共軛高分子與類似化學戰劑之模擬化合物作用後,其螢光
光譜強度確有增強或減弱之趨勢,且強度變化量亦相當靈敏。因此螢光共軛高分子
可成為高選擇性、高靈敏性、高安定性及來源獲得容易之化學戰劑偵檢器材料。
A Fluorescent conjugated polymer, Poly(2-methoxy-5-2-ethylhexyl-oxy-p-phenylenevinylene)
(MEH-PPV)、Poly(2,3-dibutoxy-1,4-phenylenevinylene) (DB-PPV) and
poly(9-vinylcarbazole) (PVK) , were examined for chemosensor application to detect
chemical warfare agents such as tearing agents、incapacitating agents、systemic toxic
agents、choking agents and nerve agents simulants. The equilibrium adsorption of
chemical agents was analyzed under fluorescent conjugated polymer-based sensor
condition by Photoluminescence spectroscopy , sensitive to changes in intensities.
The results of the experiments show that responses to the chemical agent simulants
can be achieved with higher fluorescent conjugated polymer samples. In summary,
fluorescent conjugated polymer-based chemosensing method merits attention because of
its sensitivity, selectivity and simplicity. The fact that fluorescent conjugated polymer
showed high fluorescent sensitivity toward simulants of warfare agents indicated it is
potential candidates chemosensor material for detecting chemical warfare agents.
授權書
謝誌………………………………………………………………………………....ii
摘要………………………………………………………………………………...iii
Abstract…………………………………………………………………………......iv
目錄…………………….……………………...……………………. ……………..v
表目錄……………………..……………………. ……………………. ……….....ix
圖目錄……………………..……………………. ……………………. ………… xi
1.緒論……………………..……………………. ……………………. …...……….1
1.1 研究動機……………………………………………………………...…………1
1.2 研究目的…………………………………………………………...……………1
2.文獻回顧……………………..……………………. ……………...………..…….3
2.1 螢光原理………………………………………………………………...………3
2.1.1 分子軌域……………………………………………………………...……….3
2.1.2 電子躍遷…………………………………………………………...………….4
2.1.3 螢光理論………………………………………………………...…………….6
2.1.4 鈍化程序與螢光、磷光發射機制…………………………...……………….8
2.1.5 影響螢光和磷光的變因……………………………………..……………….12
2.2 化學戰劑的種類及生理作用……………………………..……………………21
2.2.1 化學戰劑的定義及功能………………………………………..…….………21
vi
2.2.2 化學戰劑的分類…………………………………………..……….…………21
2.2.3 神經毒劑…………………………………………………..……….…………23
2.2.4 糜爛毒劑……………………………………………..………………………23
2.2.5 血液毒劑……………………………………………..………………………24
2.2.6 窒息毒劑……………………………………………..………………………25
2.2.7 催淚毒劑………………………………………..……………………………26
2.2.8 噴嚏毒劑…………………………………………..…………………………26
2.2.9 癱瘓毒劑……………………………………………………..………………27
2.3 化學感測器(chemosensor)簡介………………………………..…………..28
2.3.1共軛高分子材料………………………………………………………..…….28
2.3.2 化學感測器的分類……………………………………………..……………29
2.3.3 使用共軛高分子材料作為以螢光變化為判斷依據的化學感測器…..……32
2.4反應原理概述……………………………………………………………..……39
2.4.1 螢光高分子發光機制……………………………………………..…………39
2.4.2 感測材料與方法……………………………………………………..………40
2.4.3 螢光強度變化理論-螢光消光與能量轉移…………………………..……43
2.4.4 螢光高分子與模擬化學戰劑反應性分析…………………………..………50
2.4.5 構成螢光變化的因素………………………………………………..………58
2.4.6 螢光消光敏感度……………………………………………………..………59
3.實驗……………………………………………. ……………………..…………60
3.1 實驗藥品……………………………………………..………………………...61
3.2 實驗器材及儀器設備…………………………………………..……………...61
vii
3.3 高分子合成……………………………………………………..……………...62
3.4 模擬化學戰劑………………………………………………………..……..….64
3.5 實驗步驟……………………………………………………………..……..….64
3.5.1 製備不同膜厚之高分子薄膜…………………………………..………...….64
3.5.2 化學戰劑飽合蒸氣壓消光試驗…………………………………..…………65
3.5.3 化學戰劑變濃度消光試驗………………………………………..…………66
4.結果與討論……………………..……………………..…………………………70
4.1 高分子圖譜分析…………………………………………………………..…..70
4.1.1 MEH-PPV分析鑑定……………………………………………….…..……. 70
4.1.2 DB-PPV分析鑑定…………………………………...………..……………...72
4.2 高分子溶液與薄膜光譜分析………………………………………..………...74
4.3 高分子溶液濃度與薄膜厚度相對關係……………………………..………...77
4.4 飽合蒸氣壓消光試驗結果……………………………………….……..……..79
4.4.1 高分子螢光光譜變化情形……………………………………..……..…......79
4.4.2 高分子螢光強度變化程度之比較…………………………………...…..….83
4.5 變濃度消光試驗結果………………………………………………….……..104
4.5.1 模擬化學戰劑濃度測定…………………………………….……….….…104
4.5.2 變濃度消光試驗結果………………………………..……….……...……..108
5.結論……………………. ……………………..……………………. …………126
6.參考文獻……………………………...……………………. ………………….127
自傳…………………………...……………………. ……………………………133
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