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博碩士論文 etd-0718116-142148 詳細資訊
Title page for etd-0718116-142148
論文名稱
Title
以溶膠凝膠法製備光聚合能力之二氧化矽及其添加離子液體之特性分析
Fabrication of Photopolymerizable Silica by Sol-Gel Process and its Characteristics with Ionic liquids
系所名稱
Department
畢業學年期
Year, semester
語文別
Language
學位類別
Degree
頁數
Number of pages
91
研究生
Author
指導教授
Advisor
召集委員
Convenor
口試委員
Advisory Committee
口試日期
Date of Exam
2016-06-29
繳交日期
Date of Submission
2016-08-19
關鍵字
Keywords
體積全像、全像儲存材料、有機-無機基材、溶膠凝膠法、繞射效率
Volume hologram, Holographic data storage, Organic-inorganic substrate, Sol-Gel, Diffraction efficiency
統計
Statistics
本論文已被瀏覽 5660 次,被下載 35
The thesis/dissertation has been browsed 5660 times, has been downloaded 35 times.
中文摘要
本研究使用溶膠凝膠法來製作出利用單體鏈聚合的光聚合材料,以TEOS做為基材形成二氧化矽網狀結構,並在孔洞內部填入單體、光起始劑(photoinitiator)、高折射率物質 (HRIS)、矽烷偶合劑(coupling agent),並加入離子液體取代一般使用的有機溶劑,使用離子液體作為溶劑在溶膠-凝膠的過程將控制凝膠的結構特性,特別是對於孔洞大小、結構,藉此提高繞射效率。當添加離子液體時擁有最高繞射效率達92.36%,利用折射率分析儀測折射率的折射率變化量最大可達0.0933,以原子力顯微鏡觀察表面形貌,可知表面高峰至低谷之高度差為20.82nm。
Abstract
An sol-gel process using ionic liquids as solvents to fabricate photopolymerizable silica for optical storage is proposed. It uses tetraethylorthosilicate (TEOS) to form the SiO2 network structure, and the ethylene glycol phenyl ether acrylate (EGPEA) as the monomer.The silane coupling agent γ-glycidoxypropyltrimethoxysilane (GPTMS) connects organic and inorganic phases to avoid the phase separation. This makes the monomer and photoinitiator (IRGACURE 784) uniformly distributed in the silica. To enhance the diffraction efficiency, the high refractive index species, zirconium isoproxide isopropanol complex (ZrPO4), is filled into this composite material.
The highest diffraction efficiency 92.36% is obtained when ionic liquids is employed as solvents. The refractive index is measured by N&K analysis, and the surface profile is inspected by AFM. It reveals that the variation of refractive index is up to 0.0933 and the variation of surface profile is 20.82nm when a surface relive grating is formed.
目次 Table of Contents
目錄
論文審定書 i
誌謝 ii
摘要 iii
Abstract iv
目錄 v
圖目錄 viii
表目錄 xii
第一章 緒論 1
1-1前言 1
1-2 研究動機 2
第二章 理論基礎與文獻回顧 3
2-1全像術 3
2-1-1全像術簡介 3
2-1-2全像術原理 3
2-1-3 振幅光柵與相位光柵之分類 6
2-1-4 繞射效率及穿透率之定義 8
2-2各式光學儲存材料之特性 9
2-2-1光折變晶體 9
2-2-2鹵化銀感光劑 9
2-2-3重鉻酸鹽明膠 10
2-2-4感光高分子 10
2-3聚合型感光高分子及其介紹 11
2-3-1光起始劑 11
2-3-2單體的種類 13
2-3-3奈米添加物 13
2-3-4基材 14
2-4以聚合型感光高分子製作相位式光柵 14
2-4-1光聚合反應 14
2-4-2光柵形成的原理 16
2-5以溶膠凝膠法製作聚合型感光高分子材料 17
2-5-1溶膠凝膠法的發展與原理 17
2-5-2溶膠凝膠法的影響因素 20
2-6文獻回顧 24
第三章 材料製程與分析 25
3-1實驗藥品 25
3-2全像儲存材料的製備 27
3-3光學實驗介紹 28
3-3-1光學實驗設備 28
3-3-2全像術之紀錄過程 28
3-3-3全像術之讀取過程 29
3-4材料鑑定所使用之儀器 30
第四章 結果與討論 32
4-1 全像儲存材料的光學性質分析 32
4-1-1離子液體濃度變化的影響 33
4-1-2離子液體濃度變化的影響(未含高折射物質) 36
4-1-3乙醇與離子液體的比較(未含高折射物質) 39
4-1-4基材比例的比較 40
4-1-5單體濃度變化的影響 42
4-1-6乙醇作為溶劑的繞射效率 44
4-1-7各溶劑與離子液體的比較(MAPTMS) 47
4-2角度選擇性(Angular selectivity) 55
4-3膜厚與繞射效率之關係 58
4-4綠光干涉角度與繞射效率之關係 59
4-5原子力顯微鏡(AFM) 61
4-6 N&K折射率分析 64
4-7傅立葉紅外線光譜(FT-IR) 65
4-8 固態核磁共振儀(SS-NMR) 67
4-9 熱重分析儀(TGA) 69
4-10 比表面積分析儀(BET) 70
第五章 結論 73
參考文獻 75
參考文獻 References
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