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研究生： 林周廷
Lin, Chou-Ting
論文名稱： 多功能奈米銀光電性質應用於 單一材料複合有機氣體感測陣列之研製
Single Material Hybrid Sensors Array Employing Monolayer Protected Silver nano-Cluster for Organic Vapor Sensing
指導教授： 呂家榮
Lu, Chia-Jung
口試委員： 呂家榮
Lu, Chia-Jung
劉茂煌
Liu, Mao-Huang
李慧玲
Lee, Hui-Ling
口試日期： 2020/07/15
學位類別： 碩士
Master
系所名稱： 化學系
Department of Chemistry
論文出版年： 2021
畢業學年度： 109
語文別： 中文
論文頁數： 104
中文關鍵詞： MPC材料 、局部表面電漿共振 、阻抗式感測器 、石英微量天平 、螢光
英文關鍵詞： MPC material, LSPR, Chemiresistor, QCM, Fluorescence
DOI URL： http://doi.org/10.6345/NTNU202100561
論文種類： 學術論文
相關次數： 點閱：120  下載：16 
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    • 本實驗分成三個部分進行有機氣體的感測:第一部分是於玻片上修飾奈米銀單層薄膜，比較單層奈米銀薄膜與外圍修飾C12-SH薄膜兩者的感測訊號。二是有機相MPC粒子Ag@C12的合成，作為阻抗式(CR)、局部表面電漿共振 (LSPR)感測。與第一部分不同的是將裝置微小化，利用市售感測器取代光譜儀並搭配設計電路將訊號有效放大，解決使用市售光譜儀的高成本問題。第三部分則以2-mercaptobenzothiazole (MBT) 進行部分取代，合成Ag@C12/MBT，可作為阻抗式、局部表面電漿共振、螢光、質量式複合陣列之氣體感測。過往的研究多以不同MPC材料構成單一感測陣列式，而此論文最大的不同是以單一MPC材料進行四種不同類型的感測。由實驗結果顯示，Ag@C12/MBT對於9種不同有機氣體選擇性均不同，因此可藉由不同感測類型來提升該材料對有機氣體的辨識度。

    This study is divided into three parts for organic vapor sensing: the first part is to modify the nano silver single-layer film on the glass slides, and compare the sensing signals of single-layer nano silver films and peripheral modified C12-SH films. The second is the synthesis of organic phase MPC particles Ag@C12, used as Chemiresistor (CR) and Localized Surface Plasmon Resonance (LSPR) gas sensing. The difference from the first part is to minimize the whole devices, using a commercially available sensor to replace the spectrometer, and design the circuit to effectively amplify the signal to solve the high cost of using the commercially available spectrometer. The third part is partially substituted with 2-mercaptobenzothiazole (MBT) to synthesize Ag@C12/MBT, which can be used for gas sensing of CR, LSPR, fluorescence (FL), and quartz crystal microbalance (QCM) arrays. In the past studies, different MPC materials were used to form a single gas sensing test. The difference in this paper is a single MPC material used for four different types of sensing. The study results show that Ag@C12/MBT has different selectivity for 9 different vapor sensing. Therefore, the recognition of the Volatile Organic Gases (VOCs) can be elevated by different sensing types.

    第一章 緒論 1 1.1研究背景 1 1.2 研究動機與研究問題 2 1.3 奈米材料的基本性質 3 1.3.1奈米材料 3 1.3.2表面效應 4 1.3.3量子尺寸效應 5 1.3.4光學性質 5 1.4 表面電漿共振原理 8 1.4.1漸逝波(Evanescent wave) 8 1.4.2表面電漿波原理及現象 10 1.4.3 LSPR感測相關應用 12 1.5有機相奈米材料的製備與感測 16 1.5.1兩相合成法簡介 16 1.5.2奈米團簇表面置換法簡介 17 1.5.3阻抗式化學感測器 (Chemiresistor) 18 感測原理 18 1.5.4 MPC於氣體感測的應用 21 1.6 螢光 (Fluorescence) 的原理與應用 22 1.6.1螢光的原理與性質 22 1.6.2螢光感測的相關應用 24 1.7石英微量天平Quartz Crystal Microbalance(QCM) 27 1.7.1壓電效應(Piezoelectric effect) 27 1.7.2石英晶體的性質 28 1.7.3 QCM原理介紹 29 1.7.4 QCM近年感測應用 31 第二章 實驗部分 34 2.1 實驗藥品、器材與儀器設備 34 2.1.1 實驗藥品 34 2.1.2 實驗器材 36 2.1.3 儀器設備 37 2.2 奈米銀粒子的製備及實驗架構 41 2.2.1水相奈米銀粒子的製備 41 2.2.2有機相奈米銀粒子 (Ag@C12) 的製備 42 2.2.3有機相奈米銀粒子 (Ag@C12/MBT) 的製備 43 2.2.4實驗架構 44 2.3自組裝奈米銀粒子 45 2.3.1 玻璃片表面清洗 45 2.3.2 APTMS表面修飾 45 2.3.3奈米銀粒子表面修飾 46 2.4 LSPR玻片感測部分 47 2.4.1氣體感測裝置暨系統建立 47 2.4.2 UV-Vis 吸收光譜的設定 48 2.4.3 LabVIEW程式-電磁閥控制 49 2.4.4 絕對差值總和法 (Total Absolute Differences : TAD) 50 2.4.5 LabVIEW程式-數據處理 51 2.5 阻抗式感測器 53 2.5.1阻抗式感測器前處理 53 2.5.2基本電阻量測 54 2.5.3感測電路及LabVIEW程式撰寫 55 2.6 微小化感測裝置部分 57 2.6.1螢光及LSPR感測之微小化 57 2.6.2感測電路的設計 58 2.7石英微量天平 (QCM) 感測 59 2.7.1 QCM感測前處理 59 2.7.2感測電路的連接及LabVIEW程式撰寫 59 第三章 實驗結果與討論 62 3.1 水相奈米銀粒子及感測分析 62 3.1.1 奈米銀粒子自組裝於玻璃表面之分析 62 3.1.2 奈米銀粒子自組裝感測器再現性測試 63 3.1.3 水相奈米銀感測器靈敏度比較 64 3.1.4 水相奈米銀修飾DDT感測器靈敏度比較 68 3.2 有機相奈米銀粒子材料分析 71 3.2.1有機相奈米銀粒子Ag@C12及Ag@C12/MBT 71 3.2.2 Ag@C12及Ag@C12/MBT螢光分析 74 3.3 Ag@C12有機氣體感測 76 3.3.1 阻抗式感測訊號 76 3.3.2 阻抗式感測對6種氣體感測分析 78 3.3.3 LSPR感測訊號 80 3.3.4 LSPR對6種氣體感測分析 82 3.3.5 Ag@C12感測靈敏度比較 83 3.4 Ag@C12/MBT複合有機氣體感測 85 3.4.1 阻抗式感測部分 85 3.4.2 QCM感測部分 88 3.4.3 LSPR感測部分 92 3.4.4 螢光感測部分 94 3.4.5 Ag@C12/MBT複合感測靈敏度分析 97 第四章 結論與未來展望 100 參考文獻 101

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