臺灣博碩士論文加值系統

光散射 (light scattering) 技術在探測物質的結構與動態性質方面是一項非常有力的工具，且光散射量測是一個非破壞性的檢測過程。其中小角光散射 (SALS) 在探測無序的系統能準確得到微米級的結構資訊，在高分子聚集體、生醫及膠體方面，是非常有力的探測工具。本研究介紹小角光散射儀 (SALS) 的校正與應用，透過校正步驟已確認儀器的準確性。利用已知直徑50 μm的針孔進行校正步驟，確認好儀器的架設位置及校正步驟後，量測已知粒徑的聚苯乙烯懸浮液 (PS aqueous suspension) ，提高儀器的準確性。進而量測C60在甲苯及氯苯兩種不同溶劑下的結構特性，由小角光散射儀證實C60溶液裡存在著微米大小的聚集體。

Light scattering is widely used in various fields to probe the structural and dynamic properties of a wide range of materials. Light scattering is also a nondestructive testing process. The major advantage of SALS (Small angle light scattering) lies in its ability to provide structural information about disordered systems on micrometer scales. SALS is a particularly useful tool for studying polymer aggregation, biological systems and colloids, etc. This study aims at calibrating a homemade SALS apparatus and applying it to C60 solutions. The calibration was carried out using a pinhole as a sample (with a nominal diameter of 50±5 μm.) Afterwards, we tested the SALS apparatus by studying aqueous suspensions of polystyrene (PS) spheres with known size. Furthermore, we studied the aggregate properties of C60 in toluene or chlorobenzene by SALS, and confirmed the existence of micrometer-sized aggregate species in C60 solutions.

致謝 i
摘要 ii
Abstract iii
目錄 iv
圖目錄 vi
表目錄 viii
第一章 緒論 1
第二章 小角光散射校正 4
2.1光路校正 4
2.2實驗架設 5
2.2.1空間濾波器 (spatial filter) 5
2.2.2 光學元件的架設 7
2.3 Lens set 1及Lens set 2的成像校正 11
2.3.1 Lens set 2的成像校正 11
2.3.2 Lens set 1的成像校正 14
2.4 Airy pattern 17
第三章 結果與討論 19
3.1 聚苯乙烯水溶液量測分析 19
3.1.1實驗藥品 19
3.1.2樣品配置 19
3.1.3樣品量測 20
3.1.4 樣品分析 22
3.2 C60在甲苯或氯苯兩種不同溶劑下的量測分析 27
3.2.1實驗藥品 27
3.2.2樣品配置 28
3.2.3 樣品量測與分析 29
第四章 結論與未來展望 34
參考文獻 35
附錄 37

林伯璋. 多角度動靜態光散射儀器之架設與分析. 國立中正大學, 嘉義縣, 2007.
洪梓浩. 利用光散射探討聚2-甲氧基-5-（2’-乙基己氧基）對苯乙烯與富勒烯於溶液相之交互作用. 國立中正大學, 嘉義縣, 2011.
溫玉合. 利用X光、雷射光散射與流變量測探討高分子溶液與膠體懸浮液之分子間與粒子間交互作用. 國立中正大學, 嘉義縣, 2011.
Airy, G. B., On the Diffraction of an Object-glass with Circular Aperture. Transactions of the Cambridge Philosophical Society. 1835, 5, 283-291.
Akpalu, Y., Kielhorn, L., Hsiao, B. S., Stein, R. S., Russell, T. P., van Egmond, J.and Muthukumar, M., Structure Development during Crystallization of Homogeneous Copolymers of Ethene and 1-Octene:  Time-Resolved Synchrotron X-ray and SALS Measurements. Macromolecules 1999, 32, 765-770.
Akpalu, Y. A.and Lin, Y., Multivariable structural characterization of semicrystalline polymer blends by small-angle light scattering. Journal of Polymer Science Part B: Polymer Physics 2002, 40, 2714-2727.
Aragon, S. R.and Pecora, R., Theory of dynamic light scattering from polydisperse systems. The Journal of Chemical Physics 1976, 64, 2395-2404.
Chou, C.-M.and Hong, P.-D., A Novel Aspect on Structural Formation of Physical Gels. Macromolecules 2003, 36, 7331-7337.
Ferri, F., Use of a charge coupled device camera for low-angle elastic light scattering. Review of Scientific Instruments 1997, 68, 2265-2274.
Hecht, E., Optics. fourth ed.; Addison-Wesley Longman, Incorporated: 2002.
Hong, P.-D.and Chen, J.-H., Network structure and chain mobility of freeze-dried polyvinyl chloride/dioxane gels. Polymer 1998, 39, 5809-5817.
Johnson, C. S.and Gabriel, D. A., Lasers Light Scattering. Courier Dover, Incorporated: 1994.
Kwak, S.-Y., In situ, quantitative characterization of gelation and fusion mechanism in poly(vinyl chloride) plastisols by small angle light scattering (SALS). Polymer Engineering & Science 1995, 35, 1106-1112.
Maugey, J., Van Nuland, T.and Navard, P., Small angle light scattering investigation of polymerisation induced phase separation mechanisms. Polymer 2001, 42, 4353-4366.
Mokhtari, T., Sorensen, C. M.and Chakrabarti, A., Multiple-scattering effects on static light-scattering optical structure factor measurements. Applied optics 2005, 44, 7858-7861.
Ruoff, R. S., Tse, D. S., Malhotra, R.and Lorents, D. C., Solubility of fullerene (C60) in a variety of solvents. The Journal of Physical Chemistry 1993, 97, 3379-3383.
Wen, Y. H., Lin, P. C., Hua, C. C.and Chen, S. A., Dynamic Structure Factor for Large Aggregate Clusters with Internal Motions: A Self-Consistent Light-Scattering Study on Conjugated Polymer Solutions. The Journal of Physical Chemistry B 2011, 115, 14369-14380.