臺灣博碩士論文加值系統

目錄
摘要 i
Abstract ii
誌謝 iii
目錄 iv
表目錄 vii
圖目錄 viii
第1章 緒論 1
1.1 前言 1
1.2 研究動機與目的 4
1.3 本文架構 5
第2章 基礎原理介紹與文獻回顧 6
2.1 氧化鎢(WO3) 6
2.2 氧化鑭(La2O3) 7
2.3 靜電紡絲 8
2.3.1 靜電紡絲簡介 8
2.3.2 靜電紡絲主要影響參數 10
2.4 氣體感測器 12
2.4.1 氣體感測器簡介 12
2.4.2 半導體氣體感測器 14
2.4.3 氣體感測之響應與回復 17
第3章 實驗架構方法與實驗分析設備 18
3.1 實驗架構 18
3.2 實驗藥品 19
3.3 實驗方法與流程 20
3.3.1 La2O3 / WO3奈米纖維薄膜製備 20
3.4 氣體感測電極基板製作 21
3.5 指叉式電極基板清潔 24
3.6 氣體感測 25
3.7 製程設備 26
3.7.1 靜電紡絲機 26
3.7.2 磁石攪拌機 27
3.7.3 精密天秤 27
3.7.4 超音波洗淨器 28
3.7.5 精密烘箱 28
3.7.6 高溫爐 29
3.8 分析設備 30
3.8.1 高解析場發射掃描式電子顯微鏡(SEM) 30
3.8.2 高解析穿透電子顯微鏡(TEM) 31
3.8.3 高溫二維X-ray 廣角繞射儀(XRD) 32
3.8.4 表面積及奈米孔徑分析儀(BET) 33
3.9 氣體感測儀器 34
第4章 結果與討論 35
4.1 La2O3 / WO3靜電紡絲奈米纖維薄膜材料性質探討 35
4.1.1 La2O3 / WO3不同比例奈米纖維型態差異 35
4.1.2 不同熱處理溫度7 wt% La2O3 / WO3奈米纖維X光薄膜繞射分析 38
4.1.3 7 wt% La2O3 / WO3纖維不同燒結溫度之掃描式電子顯微鏡分析 39
4.1.4 7 wt% La2O3 / WO3纖維之穿透式電子顯微鏡分析 40
4.2 La2O3 / WO3靜電紡絲奈米纖維薄膜氣體感測性質探討 42
4.2.1 工作溫度對於氣體感測性質之影響 42
4.2.2 不同La2O3摻雜比例之氣體感測響應差異 45
4.2.3 7 wt% La2O3 / WO3摻雜與純WO3之低濃度氣體之感測比較 47
4.2.4 不同氣體感測之選擇性測試 51
4.2.5 氣體感測之穩定度 52
4.3 La2O3 / WO3半導體氣體感測器之感測機制推測[60-62] 53
4.4 7 wt% La2O3 / WO3氣體感測器與其他研究之比較 56
第5章 結論與未來展望 57
5.1 結論 57
5.2 未來展望 58
參考文獻 59
個人簡歷 70

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