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研究生:葉桂伶
研究生(外文):Yeh, Kuei-ling
論文名稱:氧化鎢奈米複合薄膜於室溫型一氧化氮呼氣感測器之應用
論文名稱(外文):Application of Tungsten Oxide Nanocomposite Film in Room Temperature Nitric Oxide Breathing Sensor
指導教授:王詩涵王詩涵引用關係
指導教授(外文):Wang, Shih-han
口試委員:蔡嬪嬪周榮泉
口試委員(外文):Tsai, Ping-PingChou, Jung-Chuan
口試日期:2019-07-25
學位類別:碩士
校院名稱:國立雲林科技大學
系所名稱:化學工程與材料工程系
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:2019
畢業學年度:107
語文別:中文
論文頁數:95
中文關鍵詞:氣體感測器聚苯胺氧化鎢一氧化氮即時-傅立葉轉換紅外線光譜
外文關鍵詞:Gas sensorsnitric oxidetungsten oxidein Situ Fourier Transform Infrared (FTIR) Spectroscopy
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本研究利用觸媒摻雜聚苯胺-氧化鎢奈米複合材料,開發一氧化氮感測器,應用於室溫下感測人體所呼出的一氧化氮。並以SEM、FT-IR、XPS分析來鑑定感測材料的結構。本感測器感測一氧化氮濃度範圍為0至500 ppb,並且測試感測器對干擾氣體二氧化氮、一氧化碳、二氧化硫、臭氧的響應,分別感測大氣中可能的濃度,實驗結果表示本感測器具有良好的選擇性,並且實驗在不同溫度下感測器的靈敏度,靈敏度隨溫度增加而遞增。此外,進行重複性實驗,實驗數據偏差值小於±10%,表示本研究的感測器具有良好的穩定性。此外,並利用In-situ FT-IR進行連續式的測量,以觀察材料表面的吸脫附狀態以了解感測機構。綜上結果顯示,本研究成功地開發一個高靈敏度、高選擇性且高穩定性的室溫型一氧化氮感測器。
In this study, the catalyst doped polyaniline/tungsten oxide nanocomposites was developed to be a nitric oxide sensor, which was applied for monitoring human exhaled nitric oxide (NO). The structure of the sensing material was characterized by scanning electron microscope (SEM), Fourier Transform Infrared (FTIR) spectroscopy (FTIR), X-ray photoelectron spectroscopy (XPS) analysis. The sensor could detect the NO concentration in the range from 0 to 500 ppb at room temperature. The potential interference gases, such as nitrogen dioxide (NO2), carbon monoxide (CO), sulfur dioxide (SO2) and ozone (O3) at the concentration in the ambient atmosphere were evaluated. Comparing with nitric oxide, the nanocomposite sensor showed relatively low sensitivity to all the interference gases, and it implied that the sensor had high selectivity to nitric oxide gas. The operating temperature effect was also studied. The sensitivity increased with elevated the operating temperature. he experimental data deviation value was less than ±10%, indicating that the sensor of the present study has good stability. The sensing mechanism of this highly selective sensor was investigated by utilizing in-situ FTIR spectroscopy to study the adsorption and desorption behavior on the sensing material as well. In conclusion, a highly sensitive, selective and stable nitric oxide sensor was successfully developed.
目錄

摘要 i
ABSTRACT ii
目錄 iii
表目錄 vi
圖目錄 vii
第一章、前言 1
1-1研究動機與目的 3
第二章、介紹 5
2-1 氣體感測器概述 5
2-1-1 氣體感測器種類 5
2-1-2 氣體感測器規格 5
2-2 一氧化氮氣體概述 6
2-2-1 哮喘與一氧化氮的關係 6
2-2-3 目前量測一氧化氮方法 7
2-3 一氧化氮氣體感測器種類 8
2-3-1 半導體式氣體感測器 8
2-3-2 電化學式氣體感測器 13
2-3-3 表面聲波感測器 16
2-4 p-n接面 17
2-5 感測材料介紹 20
2-5-1 導電高分子介紹 20
2-5-2 聚苯胺的特性 24
2-8 目前市售的一氧化氮感測器 25
第三章、實驗方法與步驟 26
3-1 實驗設備與藥品 26
3-1-1 電化學分析儀介紹與原理 28
3-1-2 掃描式電子顯微鏡介紹與原理 29
3-1-3 電子能譜儀介紹與原理 30
3-1-4 傅立葉轉換紅外線光譜儀介紹與原理 31
3-1-5 原位傅立葉轉換紅外線光譜儀介紹 32
3-1-6 紫外-可見光譜儀介紹與原理 33
3-2 研究架構 34
3-3 感測材料合成 34
3-3-1 聚苯胺聚合 34
3-4 電極製備 35
3-5 感測系統架構 36
3-7 氣體感測流程 38
第四章、結果與討論 39
4-1 材料分析 39
4-1-1SEM分析 39
4-1-2 UV-Vis分析 40
4-1-3 FT-IR分析 43
4-1-4 XPS分析 44
4-2感測結果 49
4-2-1 不同感測材料比較 49
4-2-2不同材料之選擇性 52
4-2-3 重複性 56
4-2-4 溫度效應 57
4-2-5 濕度效應 58
4-3 感測機制探討 59
4-4與市售指標性產品以及相關文獻比較 62
第五章、結論 63
第六章、未來工作建議 64
參考文獻 65
附錄 75


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