臺灣博碩士論文加值系統

本實驗是利用鋰鋁介金屬化合物(AlLi IMC)與去離子水，製備出含有Al3+/ Li+之鹼性離子水溶液，利用水溶液以滴定及直接浸置的方式，並藉由大氣環境中二氧化碳溶於水溶液而提供的CO32-離子，控制不同的溫度、滴定量或浸置方式讓其自然反應及定時反應，於玻璃基材上成長鋰-鋁層狀雙氫氧化物(Li-Al Layered double hydroxide)透明薄膜，後續稱為Li-Al LDH。由SEM結果顯示於玻璃基層上所長成的Li-Al LDH薄膜都甚為均勻，Li-Al LDH片狀結構尺寸均隨著溶液溫度、滴定量的增加而變大。在各溫度下滴定定時反應40分鐘後即可長出Li-Al LDH薄膜，且能明顯的使球狀結構數量減少，在溫度為5 ℃所長成的Li-Al LDH透明薄膜於可見光波長範圍的穿透率可達99 %以上，且表面疏水性明顯提高並優於原玻璃基材。另當以熱蒸鍍法蒸鍍鋁膜並沉積於Li-Al LDH薄膜上方時，藉由四點探針薄膜電阻量測結果顯示，其電流傳導因路徑增加，薄膜片電阻值亦隨之增加。

This study prepared the ionized alkaline aqueous solution containing Al3+ and Li+ ions by mixing lithium-aluminum intermetallic compounds (AlLi IMC) with DI-water. The surface of glass substrate was covered with the aqueous solution by the method of titration and immersion. The growth of the transparent film of lithium-aluminum layered hydroxide (Li-Al layered double hydroxide, hereafter Li-Al LDH) on the glass substrate was generated by the reaction of the Al3+ and Li+ -containing alkaline aqueous solution with CO32- ion from carbon dioxide in atmosphere. The type of reactions could be spontaneous or timing effect, which can be controlled by different temperature setup, amount of solution in titration, or the immersion method. The results show the Li-Al LDH films on the glass substrate are very uniform by the SEM examination. The Li-Al LDH sheet size increases with the increasing solution temperature and amount of solution in titration. It shows that the Li-Al LDH films can be developed after 40 minutes of titration at different temperatures and the number of the bulb structure can be reduced apparently. Especially in the temperature of 5 ℃, the Li-Al LDH film demonstrates high transmission rate up to 99 % in the visible wavelength range and surface hydrophobic is markedly improved and better than that of the original glass substrate. When the thermal evaporation aluminum vapor was deposited on the Li-Al LDH film, it shows that the current conduction path increases and the film sheet resistance also increase.

中文摘要.................................................ⅰ
Abstract.................................................ⅱ
總目錄...................................................ⅲ
表目錄...................................................ⅴ
圖目錄...................................................ⅵ
第一章 前言...............................................1
第二章 實驗步驟與方法.....................................7
2-1 實驗製程方法與設備..................................7
2-2 實驗步驟............................................7
2-2-1 試片的前處理....................................7
2-2-2 水溶液的配製....................................7
2-2-3 滴定法與浸置法的LDH薄膜生成.....................8
2-2-4 物理蒸鍍金屬鍍膜................................9
2-3 掃描式電子顯微鏡與低掠角X光繞射儀...................9
2-4 傅立葉紅外線光譜儀..................................9
2-5 紫外/可見光譜儀....................................10
2-6 接觸角分析儀.......................................11
2-7 四點探針量測儀.....................................11
第三章 結果與討論........................................15
3-1 SEM顯微組織分析................................... 15
3-2 GAXRD結晶結構繞射分析............................. 17
3-3 傅立葉紅外線光譜分析...............................17
3-4 透光性測量分析.....................................18
3-5 接觸角量測分析.....................................19
3-6 四點探針薄膜電阻量測分析...........................20
第四章 結論..............................................41
參考文獻.................................................43

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