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研究生：	楊嘉銘 Yang, Jia-Ming
論文名稱：	在離子液體中電鍍一維及類一維結構之電化學研究 Electrodeposition of one-dimensional and quasi-one-dimensional nanostructures from ionic liquid
指導教授：	孫亦文 Sun, I-Wen
學位類別：	碩士 Master
系所名稱：	理學院 - 化學系 Department of Chemistry
論文出版年：	2010
畢業學年度：	98
語文別：	中文
論文頁數：	102
中文關鍵詞：	離子液體、電鍍、奈米線
外文關鍵詞：	ionic liquid, electrodeposition, nanowire
相關次數：	點閱：55 下載：0
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本文在溶液 zinc chloride-1-ethyl-3-methylimidazolium chloride(ZnCl2-EMIC)中，去探討(一)添加 NiCl2 在溶液中電鍍 NiZn 合金在鎢絲及(二)不同的比例及溫度下純 ZnCl2 -EMIC 溶液中電鍍 Zn 在鎳片和(三)加入FeCl2 、CoCl2 於溶液中電鍍三元 FeCoZn 合金在銅基材的電化學行為。然而不論是在哪個系統之下，往往在電位窗的過電位或接近電位窗的位置，利用定電位的結果會有一維(NiZn、FeCoZn)及類一維(Zn)的結構發生，並且過程中不需倚賴模板(template)的輔助，就能沿著基材垂直生長(NiZn、FeCoZn)或呈現倒塌的形貌(Zn)，且所得的一維及類一維結構都能經由電量密度的增減，改變其長度大小。而電鍍的過程中溶液的狀態(靜止或攪拌)則是影響鍍層形貌的關鍵所在。

For the first time, direct template-free electrodeposition of aligned NiZn、FeCoZn nanofilaments and Zn quasi-one-dimensional nanostructures were achieved in a quiescent or a stirred (FeCoZn) Lewis acidic ZnCl2-EMIC solution when an extreme negative deposition potential was applied. The coordination chemistry of the chlorozincate ionic liquid provides a unique physicochemical environment near the growth solid-liquid interface allowing the formation of one-dimensional or quasi-one-dimensional metal nanostructures, and certainly opens new perspectives for template-free electrochemical synthesis of nanofilaments and quasi-one dimensinal structures.

中文摘要......................................................I 
英文摘要......................................................II 
誌謝..........................................................III 
目錄..........................................................V 
圖目錄......................................................VIII 
表目錄......................................................X 
第一章 緒論..................................................1 
1.1 離子液體簡介............................................1 
1.2 一維奈米結構之文獻回顧..................................6 
1.2.1 化學沉積法(chemical vapor deposition)....................6 
1.2.2 熱蒸鍍法(thermal evaporation)..........................7 
1.2.3 模板輔助沉積法(template-assisted method)................9 
1.3 研究動機與目的........................................11 
第二章 電化學原理與方法....................................14 
2.1 質傳(Mass Transfer) ....................................14 
2.2 循環伏安法(Cylic Votammetry, CV)......................16 
2.3 電流時間法(Chronoamperometry)........................17 
第三章 磁性簡介說明..........................................18 
3.1 磁性來源..............................................18 
3.2 磁性性質..............................................19 
3.2.1 磁滯曲線..........................................19 
3.2.2 居禮溫度(Curie temperature)..........................20 
3.2.3 尼爾溫度(Neel temperature)............................21 
3.3 磁性分類..............................................22 
第四章 實驗裝置與儀器.........................................26 
第五章 實驗藥品............................................30 
第六章 實驗結果與討論......................................35 
6.1 鎳鋅合金在 NiCl 2 -ZnCl 2 -EMIC 融鹽中的行為..............................35 
6.1.1 鎳(II)在 ZnCl 2 -EMIC 融鹽中電化學行為................35 
6.1.2 鎳鋅合金在不同電位下做電鍍........................36 
6.1.3 EDX、XRD、TEM、XPS 分析........................42 
6.1.4 SQUID 分析......................................49 
6.1.5 將 NiCl 2 -ZnCl 2 -EMIC 的鋅鹽比例改變為 ZnCl 2 : EMIC = 50 mol% : 50mol%...................................51 
6.2 ZnCl 2 -EMIC 融鹽中鋅離子的行為........................52 
6.2.1 ZnCl 2 -EMIC 融鹽電化學行為...........................52 
6.2.2 鋅在 ZnCl 2 : EMIC = 36.0mol % : 64.0mol % 110℃、150℃下不 
同電位做電鍍.........................................54 
6.2.3 鋅在 ZnCl 2 : EMIC = 50.0mol % : 50.0mol % 50℃、150℃下不同 
電位做電鍍...........................................63 
6.2.4 EDX、XRD、TEM、分析............................71 
6.3 鐵鈷鋅合金在 CoCl 2 -FeCl 2 -ZnCl 2 -EMIC 融鹽中的行為........75 
6.3.1 CoCl 2 -ZnCl 2 -EMIC 融鹽電化學行為....................75 
6.3.2 FeCl 2 -ZnCl 2 -EMIC 融鹽電化學行為....................76 
6.3.3 FeCl 2 -CoCl 2 -ZnCl 2 -EMIC 融鹽電化學行為..............77 
6.3.4 在 FeCl 2 -CoCl 2 -ZnCl 2 -EMIC 融鹽中不同電位作電鍍......81 
6.3.5 EDX、XRD、TEM 分析..............................95 
6.2.6 SQUID 分析........................................98 
第七章 結論............................................100 
參考文獻..................................................101
                                    

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校內：2013-08-03公開
校外：不公開電子論文尚未授權公開，紙本請查館藏目錄

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