以紫外光照射聚苯乙烯製備垂直陣列嵌段共聚物薄膜奈米結構

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姓名

王敬敦(Ching-Tun Wang) 查詢紙本館藏

畢業系所

化學工程與材料工程學系

論文名稱

以紫外光照射聚苯乙烯製備垂直陣列嵌段共聚物薄膜奈米結構
(Controlling Polymer-Surface Chemistries and Interfacial Interactions with UV Irradiated Polystyrene Chains)

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★ 弱分離嵌段共聚物與均聚物雙元混合物在薄膜中的相行為	★ 摻雜效應對聚(3,4-乙烯二氧噻吩):聚苯乙烯磺酸紫外光照-導電度刺激響應之影響與其應用
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摘要(中)

以一個快速、簡單、有效的方法，用紫外光照射一般高分子聚合物以進行固體表面的改質。我們使用聚苯乙烯(Polystyrene,PS)旋鍍在各種不同的金屬、半導體、聚合物的表面上，利用紫外光在空氣下照射聚苯乙烯膜，以氧化而改變聚苯乙烯的化學性質。之後將其在氮氣下照光以進行交聯，增加聚苯乙烯強度，並使聚苯乙烯膜與基材的交互作用加強。改變聚苯乙烯膜性質，以形成嵌段共聚物的中性表面，並讓其可以在金屬、半導體、聚合物的表面形成垂直柱狀、板狀的自組裝結構。

摘要(英)

We demonstrate a simple, rapid, cost-effective and robust approach to modify a surface of a solid substrate, based on a UV-irradiated film of a general plastic polymer. Thin films of homopolymer polystyrene (PS) of controlled thickness were spin-coated on diverse metal, semiconductor and polymeric surfaces. Specific surface chemistry was tuned with UV irradiation in air (UVIA); interactions at the PS/substrate interface became enhanced with UV irradiation in nitrogen (UVIN). Oxidized and cross-linked PS served as a neutral surface on various metal, quartz, semiconductor and polymeric substrates to induce perpendicularly oriented cylinders or lamellae in a self-assembled block copolymer.

關鍵字(中)

★ 聚苯乙烯
★ 垂直結構
★ 雙嵌段共聚物

關鍵字(英)

論文目次

摘要 iii
Abstract iv
致謝 v
目錄 vi
圖目錄 ix
表目錄 xiv
第1章簡介 1
一、高分子團練共聚物 1
1-1 自組裝的機制 1
1-2 塊材系統 2
1-3 薄膜系統 4
二、控制高分子薄膜的有序性結構 7
2-1 表面能 8
2-2 表面改質 – 化學接枝法 10
2-3 表面改質 – 交聯法 12
2-4 表面改質 – 石墨稀 14
三、研究背景與動機 19
第2章實驗 20
一、實驗材料 20
二、實驗儀器 21
三、試片製備 23
3-1 基材製備 23
3-2 薄膜製備 25
3-3 紫外光照射 25
3-4 雙嵌段共聚物的自組裝 25
四、實驗設計 26
4-1 以聚苯乙烯做基材改質 26
4-2 不同分子量的聚苯乙烯做基材改質 26
4-3 不同基材上的垂直結構製備 26
4-4 不同膜厚的聚苯乙烯做基材改質 27
4-5不同膜厚的聚(苯乙烯-b-甲基丙烯酸甲酯)結構製備 27
五、儀器原理 29
5-1 光學顯微鏡 29
5-2 原子力顯微鏡 30
5-3 X光電子能譜 31
5-4 低掠角小角度X光散射 33
第3章結果與討論 35
一、以聚苯乙烯做表面改質 35
1-1 聚苯乙烯的氧化 35
1-2 聚苯乙烯的交聯 42
1-3 進行熱退火將聚(苯乙烯-b-甲基丙烯酸甲酯)自組裝 46
二、不同分子量的聚苯乙烯做基材改質 56
2-1 不同分子量聚苯乙烯的性質 56
2-2 嵌段共聚物在不同分子量聚苯乙烯薄膜上的自組裝 59
三、不同基材上的垂直結構製備 60
3-1 聚苯乙烯在不同基材上的製備 60
3-2 嵌段共聚物在不同基材上的自組裝 63
四、不同膜厚的聚苯乙烯做基材改質 66
4-1 聚苯乙烯不同薄厚的性質 66
4-2 嵌段共聚物在不同膜厚聚苯乙烯上的自組裝 68
4-3 十二奈米聚苯乙烯薄膜對不同基材的改質 70
五、不同膜厚的聚(苯乙烯-b-甲基丙烯酸甲酯)垂直結構製備 72
5-1 PS57K-b-PMMA25K厚膜的製備及量測 74
5-2 PS44K-b-PMMA45K厚膜的製備及量測 77
第4章結論 81
第5章參考文獻 83

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指導教授

孫亞賢(Ya-Sen Sun)

審核日期

2016-7-29

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