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| DC 欄位 | 值 | 語言 |
|---|---|---|
| dc.contributor.advisor | 林唯芳(Wei-Fang Su) | |
| dc.contributor.author | Tse-Hsuan Lee | en |
| dc.contributor.author | 李澤軒 | zh_TW |
| dc.date.accessioned | 2021-06-15T11:17:54Z | - |
| dc.date.available | 2016-08-25 | |
| dc.date.copyright | 2016-08-25 | |
| dc.date.issued | 2016 | |
| dc.date.submitted | 2016-08-18 | |
| dc.identifier.citation | [1] 台灣行政院環境保護署, http://www.epa.gov.tw/
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| dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/49163 | - |
| dc.description.abstract | 近年來，環境安全衛生意識逐漸引起大眾的關注，人們不再為了經濟發展而對於自身健康安全以及環境保護有所妥協。在傷害人類健康以及造成環境破壞的毒化物中，最令人憂心的是有毒之有機揮發性化合物(volatile organic compounds, VOC)，工廠裡產品的生產以及材料的合成過程常伴隨著VOC的排放。雖然我們知道VOC的危險而且同時大量地使用，但現階段對於VOC警示濃度的偵測並沒有一個有效的預警系統，這些看不見也摸不著的有毒氣體帶給人類無法預防的威脅。所以，現階段對於低成本以及高效率的VOC偵測器有其迫切的需求。
以P3HT混摻PC71BM製成的氣體偵測器，在先前的工作中已證明其是為有效且成本低廉的偵測方法。本研究透過奈米粒子的氟化改質成功將此系統之偵測極限大幅提升了2-3倍。同時，我們也使用GISAXS/GIWAXS及多項分析儀器鑑定摻有氟化奈米粒子的感測層形貌，並將測層形貌對應到其在VOC偵測上的表現，最後，我們發現好的分散性是氟化奈米粒子提升敏感度的關鍵因素。 除了氣體偵測器形貌以及其VOC之偵測表現外，我們同時也針對偵測試片在不同溫度下做穩定性測試，由結果來看，我們的試片建議存放於25oC下較可以確保試片的穩定。另一方面，我們將感測層塗佈於導電基材上，使得試片之生命週期提升兩倍。綜合以上幾點，本研究除了在基礎科學的研究上有所貢獻也成功地增加VOC偵測器實際的應用價值。 | zh_TW |
| dc.description.abstract | Human health care and environmental protection have growing attention in recent years, and are no longer an acceptable trade-off for economy for the majority of people. The most hazardous and toxic chemicals are volatile organic compounds (VOC), which are mainly released from oil refinery, factory ,household paints, etc. Although VOCs are used extensively and known for their hazardous , little protective measurements have been developed to provide effective warning signal before the harmful high level of VOC. These invisible and toxic VOC put the human safety into dangerous condition without notice. Thus, there is an urgent need to develop a high efficient, low cost VOC sensor to ensure the health and safety of mankind.
We have demonstrated before, a low cost and effective VOC sensor can be fabricated from P3HT/PC71BM nanocomposite on glass substrate. In the work, we further improve the sensitivity of VOC sensor 2-3 times by incorporating fluorinated PC71BM in the nanocomposite. We also utilize GISAXS/GIWAXS, AFM, XPS etc instruments to characterize the structure of sensing layer. As the result, we correlate the morphology of sensing layer to the performance of VOC sensing, which reveals that the improved dispersion of F-PC71BM in P3HT is the key factor to improve the sensitivity of sensor. Besides the study of the performance and morphology of VOC sensor, stability test of VOC sensor under various temperature was also conducted to estimate the life time of the sensor. Our sensor needs to be stored under 25oC temperature for a life more than 3 months. Furthermore, we show the life time of sensor can be doubled by coating the sensing layer onto the conductive substrate ITO. | en |
| dc.description.provenance | Made available in DSpace on 2021-06-15T11:17:54Z (GMT). No. of bitstreams: 1 ntu-105-R03527069-1.pdf: 6133003 bytes, checksum: 3517371120c2a4fa3e12f953a41f8c30 (MD5) Previous issue date: 2016 | en |
| dc.description.tableofcontents | 摘要 I
Abstract II 目錄 IV 圖目錄 VI 表目錄 IX 第一章：前言 1 1.1 研究背景 1 1.1.1 VOC簡介 2 1.1.2 VOC偵測器發展概況 3 1.1.3現行VOC偵測器之議題 7 1.2研究動機 9 1.3 高分子/奈米粒子混摻材料製作之VOC偵測器 10 1.3.1 利用光學原理的VOC偵測系統 10 1.3.2 氟化奈米粒子 12 1.4 文獻回顧 13 1.4.1氣體偵測方法 13 1.4.2 氟化改質 21 1.4.3 材料分析 25 1.5 研究目標 27 第二章：實驗方法 28 2.1 實驗用藥品 28 2.2 實驗用儀器 29 2.3 實驗步驟 30 2.3.1 高分子與奈米粒子複合材料 30 2.3.1.1 高分子-P3HT 30 2.3.1.2 奈米粒子 31 2.3.1.3 氟化奈米粒子 32 2.3.2薄膜製程與不同混摻比例之試片命名 33 2.4 光譜分析與即時VOC量測系統 34 2.5 感測層形態學之分析方法 37 2.5.1 縱深分析 37 2.5.2 感測層結構分析 39 2.5.2.1 銳角入射小/廣角度散射(GISAXS/GIWAXS) 39 2.5.2.2 原子力顯微鏡(AFM) 41 2.5.2.1 穿透式電子顯微鏡(TEM) 43 第三章：結果與討論 45 3.1 氟化改質奈米粒子對於氣體感測能力之影響 45 3.2 VOC感測器感測層之縱深結構 47 3.3 VOC感測器感測層之形態結構 49 3.3.1 銳角入射小/廣角度散射實驗 49 3.3.1.1未曝露VOC之感測層 49 3.3.1.2 曝露偵測濃度甲苯之感測層 52 3.3.1.2 曝露飽和濃度甲苯之感測層 54 3.3.2 模型擬合以及量化數據 58 3.3.3 奈米結構分析 62 3.3.3.1 原子力顯微鏡在感測層形貌上的分析 62 3.3.3.2 穿透式電子顯微鏡在感測層形貌上的分析 67 3.3.3.2氟化改質對於感測層氣體感測能力提升之機制 72 3.4 VOC感測器之應用 75 3.4.1偵測器對於不同VOC之偵測極限 75 3.4.2 VOC偵測器之生命週期預測 78 3.4.2.1 不同溫度下生命週期預測 79 3.4.2.3 基材效應延展感測器生命週期 82 第四章：結論 84 第五章：建議 85 附錄一. 86 附錄二. 87 第六章：參考文獻 88 | |
| dc.language.iso | zh-TW | |
| dc.title | 氟化奈米粒子-共軛高分子製作之有機揮發性化合物感測器 | zh_TW |
| dc.title | Fluorinated Nanoparticles in Conjugated Polymer for Volatile Organic Compounds Sensor | en |
| dc.type | Thesis | |
| dc.date.schoolyear | 104-2 | |
| dc.description.degree | 碩士 | |
| dc.contributor.oralexamcommittee | 曹正熙(Cheng-Si Tsao),吳明忠(Ming-Chung Wu),黃裕清(Yu-Ching Huang) | |
| dc.subject.keyword | 有機揮發物檢測器,奈米複合材料,氟化改質,形貌研究,導電高分子,富勒烯, | zh_TW |
| dc.subject.keyword | volatile organic compound,nanocomposite,fluorination,morphology,conducting polymer,fullerene,sensor., | en |
| dc.relation.page | 94 | |
| dc.identifier.doi | 10.6342/NTU201603326 | |
| dc.rights.note | 有償授權 | |
| dc.date.accepted | 2016-08-20 | |
| dc.contributor.author-college | 工學院 | zh_TW |
| dc.contributor.author-dept | 材料科學與工程學研究所 | zh_TW |
| 顯示於系所單位： | 材料科學與工程學系 | |
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