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研究生： 洪瑞和
Hung Jui-Ho
論文名稱： 無銀式感光薄膜製備與研究
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： 2000
畢業學年度： 88
語文別： 中文
論文頁數： 88
中文關鍵詞： 感光薄膜 、凝膠 、光催化
英文關鍵詞： photosensitizer, sol-gel
論文種類： 學術論文
相關次數： 點閱：212  下載：7 
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    • 有機敏光劑於照光時可具有強氧化力，實驗結果發現：敏光劑Phenosafranin (PSF)於照光時可氧化電子授予者，N,N-diethyl-2-
    methyl-1, 4-phenylenediamine(簡稱DEPD)，被氧化的DEPD可與α-naphthol發生偶合反應而生成藍色產物Indophenol blue。利用此一光誘發電子轉移反應，吾人設計出一無銀式感光呈像系統。本實驗亦利用凝膠法固定敏光劑以製備無銀感光薄膜。實驗顯示此薄膜仍保有光催化生成Indophenol blue的效果。實驗亦發現薄膜的組成、氧氣的存在及外加電壓的施予均會影響感光薄膜的呈像品質

    In our experiment, we used organic dyes to replace the Ag+ ion that often serves as the photosensitizer in traditional Ag+-based photographic films. For instance, phenosafranin can oxide N,N-diethyl-2-methyl-1,4-
    phenylenediamine (DEPD) during illumination. As DEPD is oxidized, it will react with α-naphthol and form a blue product, indophenol blue.
    Based on these photochemical properties, a non-silver-based photographic system was developed. Experiment showed that sol-gel modifications are useful tools to fabricate the dye-containing films and modified electrodes for image recording. Many factors including the sol-gel formulas, oxygen effects and the applied voltage are important for the sensitivity and quality of these sol-gel based films.

    l 圖目錄------------------------------------------------------------------------I l 中文摘要--------------------------------------------------------------------1 l 英文摘要--------------------------------------------------------------------2 l 第一章 緒論--------------------------------------------------------------3 1-1 感光薄膜之發展、反應機構-----------------------------------------3 1-2 光誘發電子轉移反應與敏光劑的選擇 ----------------------------5 1-3 利用0-0 |bands來估算激發態敏光劑之能階---------------------7 1-4 雷射暫態螢光光譜(Laser flash photolysis techniques) ---------12 1-5 凝膠法介紹 ------------------------------------------------------------13 l 第二章 實驗 -------------------------------------------------------------15 2-1 化學藥品 ---------------------------------------------------------------15 2-2 儀器 ---------------------------------------------------------------------17 2-3 實驗裝置 ---------------------------------------------------------------18 2-4 電極的製備 ------------------------------------------------------------19 l 第三章 -------------------------------------------------------------------21 3-1 激發態有機敏光劑氧化力之探討----------------------------------21 3-2 薄膜的製備-------------------------------------------------------------46 3-3 薄膜呈像最佳化條件之探討----------------------------------------53 l 第四章 討論--------------------------------------------------------------69 4-1 感光薄膜呈像品質的影響因素-------------------------------------69 4-2 凝膠修飾電極及其對呈像之影響----------------------------------73 4-3 敏光劑PSF的電化學特性探討------------------------------------80 l 參考資料-------------------------------------------------------------------86

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