臺灣博碩士論文加值系統

本論文以溶劑揮發方式由奈米碳管陣列形成碳奈米地毯，奈米碳管陣列以熱化學氣相沉積法製備。我們使用光學顯微鏡觀察溶劑在碳管之間的揮發過程以及用SEM觀察溶劑揮發後的型態。
我們以丙酮潤濕碳管並且改變陣列碳管長度。溶劑揮發後形成蜂巢狀圖案。在碳管長度在5 μm到33 μm範圍內，隨著碳管變長，蜂巢狀結構的直徑明顯變大。牆壁的厚度也有稍微隨碳管變長而變厚。當碳管大於40 μm後，會出現長條狀的圖案。
我們也使用其它種類的溶劑潤濕奈米碳管陣列，使用的溶劑有二氯甲烷、氯仿、四氫

This research was studied on formation of carbon nanocarpet from carbon nanotube array by solvent evaporation. We observed morphology transition in real time by optical microscope and characterized the sample by SEM.
We wetted CNT array by acetone and changed the length of carbon nanotube array. The cellular structure was formed from CNT array during drying process. The diameter of cellular structure obviously increased with increasing the length of CNT ranging from 5 μm to 33 μm. The wall thickness also slightly increased with the length of CNT increasing. As the length of CNT was longer than 40 μm , it appeared stripe pattern.
We also wetted CNT array by other kinds of solvents. These solvents were dichloromethane, chloroform, THF, methanol, cyclohexane, ethanol and toluene. As the length of CNT was 33 μm, concentric circle pattern was formed from CNT arrays by dichloromethane, chloroform, THF or toluene. Cellular pattern was formed by methanol, cyclohexane or ethanol as the length of CNT was 33 μm.

第一章 緒論...............................1
1.1 奈米碳管之簡介 ........................1
1.2 奈米碳管之結構 ........................2
1.3 奈米碳管之合成方式....................4
1.4 奈米碳管之成長機制....................9
1.5 奈米碳管之力學性質...................12
第二章 文獻回顧..........................16
2.1以奈米碳管陣列形成碳奈米地毯..........19
2.2 奈米地毯的形成機制與控制形成的圖案...20
2.3 針對其它參數來形成奈米碳地毯的影響...25
第三章 研究動機..........................29
第四章 實驗設備與方法....................30
4.1儀器設備..............................30
4.2 藥品工具.............................35
4.3 實驗步驟.............................35
第五章 結果與討論........................38
5.1不同的陣列碳管長度....................38
5.2不同的揮發性溶劑......................48
5.3圖案的形成機制........................77
第六章 結論與未來展望....................81
參考文獻.................................83
附錄.....................................85

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