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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/46948


    Title: 低溫向列型液晶、巨環液晶、螺旋筒型液晶之製備與性質研究
    Other Titles: Preparation and Properties of Low-Temperature Nematic, Macrocyclic, and Helical Columnar Liquid Crystals
    Authors: 徐秀福
    Contributors: 淡江大學化學學系
    Date: 2009
    Issue Date: 2010-04-15 15:39:05 (UTC+8)
    Abstract: 液晶材料不僅在現在而且在未來也將在顯示科技扮演著重要且關鍵的角色。液晶在目前及未來的 實際應用發展的主要關鍵之一是其可以產生各式不同的動態超分子構形。而分子設計為所產生不同超 分子構形之一主導因素。 因此,此計畫之兩大主題方向為:(A)開發比現有顯示器所使用之液晶材料更好的新材料;(B)達 到整齊且緊密超分子構形以期應用至須此需求之應用(例:太陽能電池、場效電晶體)。 本計畫包含六個子題:(1)具堅硬側枝液晶材料;(2)室溫盤狀向列液晶材料;(3)由類風扇葉片化合物 產生螺旋筒柱構形;(4)由巨環化合物堆疊成中空管柱構形;(5)利用具有螺旋性之旋稠化合物產生螺 旋筒柱;(6)利用自組裝薄膜操控液晶材料之超分子構形。其中,子題(1)、(2)、(4)為針對主題(A)之 方向所設計;而子題(3)、(4)、(5)、(6)則以主題(B)為標的進行探討。 Liquid crystals have played and will continue to play importantly roles for display technology. The key property of liquid crystals for current and future practical applications is their ability to form various dynamic supra-structures. Molecular design comes into play as the main role for the desired dynamic suprastructures. Thus, the two main themes of this project are: (A) to explore new materials to outperform existing liquid crystal materials utilized in liquid crystal displays; (B) to achieve higher molecular correlations within the supra-structures for applications demanding uniform and dense molecular packings, e.g. solar cells and field effect transistors. Therefore, major tasks of this project include: (1) rigid laterally substituted liquid crystals; (2) room-temperature discotic nematogens; (3) helical column formation from propeller-like compounds; (4) tubular supra-structures from macrocyclic liquid crystals; (5) chiral columns from helicenes; (6) manipulations of liquid crystal supra-structures by slef-assembled monolayers. Tasks (1), (2), and (4) will serve to fulfill theme (A). Tasks (3), (4), (5), and (6) are aimed for theme (B).
    Appears in Collections:[Graduate Institute & Department of Chemistry] Research Paper

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