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研究生： 呂惟皓
Lu, Wei-Hao
論文名稱： 可調控潤濕性及黏著性的液胞強化奈米粒子薄膜之製備
Fabrication of Vesicle-enhanced Nanoparticulate Thin Films with Tunable Water Wettability and Adhesion
指導教授： 楊毓民
Yang, Yu-Min
學位類別： 碩士
Master
系所名稱： 工學院 - 化學工程學系
Department of Chemical Engineering
論文出版年： 2013
畢業學年度： 101
語文別： 中文
論文頁數： 113
中文關鍵詞： 液胞模板 、靜電逐層組裝技術 、薄膜結構 、潤濕性 、黏著性
外文關鍵詞： vesicle templates, electrostatic layer-by-layers (ELbL), film structure, wettability, adhesion
相關次數： 點閱：84  下載：2 
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    • 　　本研究旨在利用液胞模板來改善原先靜電逐層組裝技術，製備出具有結構性的SiO2奈米粒子薄膜。文中利用離子對雙親分子 (DeTMA-TS) 所製備出的球型液胞結構當作模板，因其具水溶性、表面帶負電及奈米尺寸等特性而能夠適用於原先的水相製程中。
    　　研究結果顯示，利用模板-靜電逐層組裝方法能夠有效創造出較為粗糙的薄膜結構，但在不同本體層數下，模板對薄膜特性影響程度是不同的。在低本體層數下，模板的添加對薄膜結構的影響不大，所以薄膜穿透度及潤濕性質的改變較不明顯；但隨著本體層數的增加，模板對表面結構的影響漸趨明顯。隨著模板比例的增加，奈米粒子薄膜結構的完整性就會越差，而表現在薄膜粗糙度上會有一個先上升後下降的趨勢，因結構造成抗反射效果上的差異，薄膜穿透度會隨著模板比例的增加而降低。就潤濕行為的表現上來說，在不同模板比例下，所造成薄膜結構特性、粗糙度的差異是相當大的，造成明顯的潤濕性質差異，由此研究結果可知藉由控制不同模板比例，就可輕易製備出截然不同潤濕性及黏著性的SiO2奈米粒子薄膜。

    　　This work aims at improving electrostatic layer-by-layer (ELbL) technique by using vesicle templates. In our research, we prepare spherical vesicle structure from catanionic surfactants (DeTMA-TS) as templates. Because of the vesicle templates with some properties like water-soluble, negative charge and nano-scale size, the vesicle templates can be applied to the water phase ELbL process suitably.
    　　The results show that using template–ELbL approach can create much rougher structure effectively, but the influence degree of templates on the film properties are various in different numbers of bodylayers. At low bodylayers, it shows no significant influence on the film structure, so the transparent and wetting properties do not changes obviously; When the numbers of bodylayers increases, the surface structure change obviously by adding templates, but the structural integrity of SiO2 nanoparticulate thin films become worse, so the performance of roughness value increases at first and then decreases, and resulting in an anti-reflection effect dues to structural differences, so the film transmittance improves as the template ratio increases. At the wetting behavior, the structural properties and surface roughness are quite different in the various proportion of templates, so resulting in significant differences in wetting properties. Thereby our results, by controlling the different proportion of templates, we can easily prepare SiO2 nanoparticulate thin films with variety of wettability and adhesion by controlling the different ratio of vesicle templates.

    摘要 I ABSTRACT II 致謝 IV 目錄 V 圖目錄 VIII 表目錄 XII 第一章 緒論 1 1.1 前言 2 1.2 研究動機與研究目的 3 第二章 文獻回顧 4 2.1 蓮花效應 (Lotus effect) 5 2.2 超疏水表面理論模式 8 2.2.1 楊氏 (Young) 方程式 10 2.2.2 溫佐 (Wenzel) 方程式 11 2.2.3 卡西-巴斯特 (Cassie and Baxter) 方程式 12 2.2.4 介於溫佐和卡西-巴斯特兩狀態之間的過渡狀態 13 2.3 表面疏水改質 15 2.4 抗反射光學原理 17 2.4.1 破壞性干涉機制 17 2.4.2 漸變折射率機制 19 2.5 表面結構對薄膜透明度的影響 21 2.6 模板方法製備透明超疏水薄膜 23 2.7 液固黏著性質 26 2.7.1 結構對黏著性之影響 27 2.7.2 化學組成對黏著性之影響 30 第三章 實驗 33 3.1 實驗藥品 34 3.1.1 製備液胞模板之材料 34 3.1.2 製備SiO2奈米粒子薄膜之材料 35 3.2 儀器設備及裝置 38 3.2.1 Milli-Q超純水系統 38 3.2.2 均質機 (Homogenizer) 38 3.2.3 雷射光散射法粒徑/界面電位分析儀 (Zeta-sizer) 39 3.2.4 熱重分析儀 (TGA) 42 3.2.5 穿透式電子顯微鏡 (TEM) 43 3.2.6 浸鍍機 (Dip-coatter) 44 3.2.7 箱型高溫爐 (Muffle furnace) 45 3.2.8 紫外光-可見光光譜儀 (UV/Vis spectrophotometer) 45 3.2.9 掃瞄式電子顯微鏡 (SEM) 46 3.2.10 原子力顯微鏡 (AFM) 48 3.2.11 接觸角分析儀 (Contact angle measure analyzer) 50 3.3 實驗方法 51 3.3.1 液胞模板製備部分 51 3.3.1.1 液胞模板原料的製備 51 3.3.1.2 液胞模版溶液的製備 51 3.3.2玻璃基板的前置清洗流程 52 3.3.3 SiO2奈米粒子薄膜製備部分 52 3.3.3.1 聚電解質溶液的配製 52 3.3.3.2 SiO2膠體溶液的配製 53 3.3.3.3 雙尺寸SiO2及液胞模板混和溶液的製備 53 3.3.3.4 SiO2奈米粒子薄膜之製備：靜電逐層組裝技術 54 3.3.3.5 SiO2奈米粒子薄膜鍛燒 (Calcination) 56 3.3.3.6 SiO2奈米粒子薄膜的疏水改質 57 第四章 結果與討論 58 4.1 模板的選擇 59 4.2 液胞模板物理特性分析 60 4.2.1 液胞模板應用於原先製程之可行性分析 61 4.2.1.1 液胞模板在不同稀釋濃度下的穩定性探討 62 4.2.1.2 液胞模板能否經由鍛燒去除 65 4.3 奈米粒子薄膜特性分析 66 4.3.1 薄膜結構的探討 66 4.3.1.1 表面型態的差異 66 4.3.1.2 薄膜表面的粗糙度 76 4.3.2 薄膜穿透度的探討 79 4.3.2.1 未鍛燒對薄膜穿透度的影響 80 4.3.2.2 鍛燒對薄膜穿透度的影響 81 4.3.2.3 疏水改質對薄膜穿透度探討 88 4.3.2.4 薄膜穿透度與粗糙度的關係 91 4.3.3 薄膜對水潤濕性質的探討 92 4.3.3.1 薄膜靜態接觸角及傾斜角的變化 92 4.3.3.2 薄膜黏著性質的探討 95 4.3.4 利用模板方法後對於其薄膜特性造成的影響 99 第五章 結論與建議 101 5.1 結論 102 5.2 建議 105 第六章 參考文獻 106 自述 113

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