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大面積單層聚苯乙烯奈米微球圖案製作及其奈米結構在表面和光學特性上之探討 ...

國立高雄大學化學工程及材料工程學系碩士班

大面積單層聚苯乙烯奈米微球圖案製作及其奈米結構在表面和光學特性上之探討 = Preparation of large-area polystyrene nanosphere monolayers and their nanostructured effects on surface and optical properties

紀錄類型:	書目-語言資料,印刷品 : 單行本
並列題名:	Preparation of large-area polystyrene nanosphere monolayers and their nanostructured effects on surface and optical properties
作者:	張琬宜,
其他團體作者:	國立高雄大學
出版地:	[高雄市]
出版者:	撰者;
出版年:	2014[民103]
面頁冊數:	98葉圖，表格 : 30公分;
標題:	聚苯乙烯奈米微球
標題:	polystyrene nanospheres
電子資源:	https://hdl.handle.net/11296/7ntc9e
附註:	108年3月25日公開
附註:	參考書目：葉95-98
摘要註:	本研究利用無乳化聚合合成聚苯乙烯奈米微球及界面排列法製作大面積單層聚苯乙烯奈米微球模板，將此模板結合光固化高分子與溶劑處理法以簡便製作兩種奈米規則圖案，並探討其表面及光學特性領域之應用。同時也將聚苯乙烯奈米微球模板結合金屬奈米薄膜與軟性印刷等技術探討其表面電漿共振效應、表面拉曼增強效應等光學性質。我們利用無乳化劑乳化聚合製備具有親水性官能基之核殼結構聚苯乙烯奈米微球，並以水-空氣界面排列法將聚苯乙烯奈米微球置於基板上，因經改質的聚苯乙烯奈米微球更容易自組裝成單層有序之聚苯乙烯奈米微球模板。由此方法目前可製作具有超過4吋晶圓之大面積單層PS奈米微球光子晶體模板潛力。將模板與溶劑處理法結合之領域中，我們將其分為「溶劑蝕刻法」及「溶劑膨潤法」兩大類。於溶劑蝕刻法中，我們使用溶解度參數與聚苯乙烯相似之溶劑，如：甲苯、二氯甲烷等，將聚苯乙烯奈米微球溶解後可製得奈米吸盤結構，其表面特性分別有正向力貼附可達3 kg/cm2、側向力負重可達7.52 kg/cm2及可耐強酸強鹼之水溶液環境和重覆黏貼次數達14次。於溶劑膨潤法中，我們使用高極性貢獻之溶劑，如：乙腈、硝基甲烷等，可製得規則奈米透鏡圖案且能控制透鏡之粒徑大小，將其應用於光學薄膜之領域有增亮效果。聚苯乙烯奈米微球模板與金屬奈米薄膜結合可製得凸狀及凹狀金屬規則奈米圖案，利用規則圖案接枝4-ATP並探討其表面電漿共振效應與表面拉曼增強效應等光學性質。未來可將其規則圖案應用於光學感測之領域中。 In this study, we fabricated polystyrene (PS) nanospheres by surfactant-free emulsion polymerization. The scooping transfer method was applied to fabricate PS nanosphere monolayers to assemble large-area patterns. We combined PS template and UV-cured polymer to fabricate two nanostructures. Those nanostructures were explored for their applications, like adhesion force and brightness enhancement film, based on their unique surface and optical properties. Besides, the PS templates and their PDMS nanocup patterns with sputtering 50 nm gold layer on the tops were found to display specific optical properties based on Surface Plasmon Resonance (SPR) effectand Surface Enhanced Raman scattering (SERs) property. In order to assemble large-area PS template, the PS nanospheres having hydrophilic groups on a shell layer were injected into the interface of water and air. We could therefore easily assemble PS nanosphere monolayer to form a template and use layer-by-layer scooping transfer method to fabricate as large pattern area as 4-inch on a substrate. We laminated the PS template and a UV-cured polymer to lift the PS monolayer and buried into the cured polymer layer for solvent treatments using different polarities of solvents to produce solvent-etching or solvent-swelling effects. In the solvent-etching method, we applied some solvents with solubility parameter similar to polystyrene, like toluene or dichloromethane, to dissolve PS nanosphere to fabricate nanosuckers. The normal force endurance of nanosuckers was up to 3 kg/cm2, and the maximum shear force loading was 7.52 kg/cm2. The octapus' tentacle-like nanosuckers could stick to a glass substrate firmly, even in different pH value solution, and display a repeatable adhesion up to 14 times of adhesion/detachment. In the solvent-swelling section, we applied polar solvents with greater solubility parameter than 18, like acetonitrile or nitromethane, to swell UV-cured polymer to fabricate nanolens patterns. We could also control the size of nanolens by various immersing periods. the nanolens structures could be applied to fabricate brightness enhancement films. In addition, we fabricated two nanostructures, PS nanosphere monolayers and its PDMS replica, having metal coatings via the PS templates. The nanostructures were reacted with 4-aminothiophenol molecules and found that the nanostructure, like nanocups, could enhance intensity of Raman spectra. In the future, the metal-coated nanostructures could be used to fabricate optical sensor for measuring molecular or specific target.

大面積單層聚苯乙烯奈米微球圖案製作及其奈米結構在表面和光學特性上之探討 = Preparation of large-area polystyrene nanosphere monolayers and their nanostructured effects on surface and optical properties
張, 琬宜

大面積單層聚苯乙烯奈米微球圖案製作及其奈米結構在表面和光學特性上之探討 = Preparation of large-area polystyrene nanosphere monolayers and their nanostructured effects on surface and optical properties / 張琬宜撰 - [高雄市] : 撰者, 2014[民103]. - 98葉 ; 圖，表格 ; 30公分.
108年3月25日公開參考書目：葉95-98.
聚苯乙烯奈米微球polystyrene nanospheres

大面積單層聚苯乙烯奈米微球圖案製作及其奈米結構在表面和光學特性上之探討 = Preparation of large-area polystyrene nanosphere monolayers and their nanostructured effects on surface and optical properties
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