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研究生:倪健嵐
論文名稱:改良電化學製程製備二氧化鈦奈米管應用於染料敏化太陽能電池之研究
論文名稱(外文):Application of Preparation TiO2 Nanotubes by improvement electrochemical processes on Dye Sensitized Solar cells
指導教授:郭金國郭金國引用關係
學位類別:碩士
校院名稱:國立臺灣師範大學
系所名稱:機電科技學系
學門:工程學門
學類:機械工程學類
論文種類:學術論文
論文出版年:2014
畢業學年度:102
語文別:中文
論文頁數:66
中文關鍵詞:染料敏化太陽能電池二氧化鈦奈米管電化學法
外文關鍵詞:Dye-sensitized solar cellsTiO2 nanotubesElectrochemical method
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本研究以原有電化學法製備二氧化鈦奈米管進行改良。將純度鈦薄板(99.7%)為陽極,鉑(Pt)為陰極,於氟化銨(Ammonium Fluoride, NH4F)及去離子水(Deionized water, DI water)為溶質,乙二醇(Ethylene Glycol, EG)為溶劑所調配之電解液。改變工作溫度、NH4F濃度及電壓與時間之電化學參數,所製備出二氧化鈦奈米管改善製程上的管長,以助於染料敏化太陽電池的效率提昇。接著使用N719染料為染料光敏化劑,以入射光強度為100 mW/cm2情況下,當管長為24.1 μm時,其短路電流Jsc為11.50 mA/cm2、開路電壓Voc為0.75 V、填充因子FF為0.48、轉換效率η為4.21%,為目前實驗測得最高效率之結果。
In this study, the major purpose had improved original process of electrochemical method for making TiO2 nanotubes. It is manufactured by electrochemical method with electrolyte which mix for solution with ammonium fluoride (NH4F), ethylene glycol (EG) and DI-Water. Therefore, high purity titanium (99.7%) and platinum as anode and cathode are electrolyzed in electrolyte. The experimental parameters are changing operating temperature, NH4F concentration and voltage-time that improve to prepare TiO2 nanotubes for dye-sensitized solar cells application. Then, sensitizing use N719 dye and expose to light which light intensity is 100 mW/cm2. Finally the length of 24.1 μm is measured Jsc = 11.50 mA/cm2, Voc = 0.75 V, FF = 0.48 and η = 4.21% that is highest efficiency.
中文摘要I
英文摘要II
目錄III
圖目錄VI
表目錄IX


第一章 緒論1
1.1 前言1
1.2 技術發展2
1.2.1 矽基型太陽能電池3
1.2.2 化合物半導體型薄膜太陽能電池4
1.2.3 有機半導體型太陽能電池4
1.3 研究動機及目的5
1.3.1 研究動機5
1.3.2 研究目的5

第二章 理論背景與文獻探討7
2.1 表面粗糙度7
2.1.1 表面粗糙度定義7
2.1.2 中心線平均粗糙度7
2.1.2 最大高度粗糙度8
2.1.3 十點平均粗糙度9
2.2 二氧化鈦簡介10
2.3 染料敏化太陽能電池之原理12
2.4 染料敏化太陽能電池之組成結構16
2.4.1 多孔性奈米半導體光電極16
2.4.2 染料光敏化劑20
2.4.3 平衡電荷之氧化還原電解質22
2.4.4 具催化作用之對極電極25
2-5 染料敏化太陽能電池之效能轉換27

第三章 實驗方法29
3.1 實驗步驟圖29
3.2 實驗材料31
3.3 實驗步驟32
3.3.1 試片前處理32
3.3.2 電化學法處理33
3.3.3 熱處理35
3.3.4 染料浸泡35
3.3.5 元件封裝製程36

第四章 結果與討論39
4.1 前處理化學腐蝕表面影響39
4.1.1 粗糙度影響39
4.1.2 側面厚度影響40
4.2 二氧化鈦奈米管微結構分析43
4.2.1 以工作環境溫度為變因參數43
4.2.2 以電解液NH4F濃度為變因參數45
4.2.3 以電壓與操作時間為變因參數48
4.3 二氧化鈦奈米管XRD檢測分析52
4.4 二氧化鈦奈米管於染料吸附後之UV-vis檢測分析53
4.4.1 以工作環境溫度為變因之染料吸附檢測分析53
4.4.2 以電解液NH4F濃度為變因之染料吸附檢測分析54
4.4.3 以電壓與操作時間為變因之染料吸附檢測分析55
4.4.4 以不同浸泡時間對TiO2奈米管對吸附檢測分析56
4.5 二氧化鈦奈米管於染料敏化太陽能之效率影響57
4.5.1 不同TiO2奈米管管長對入射光電子轉換效率之探討57
4.5.2 不同TiO2奈米管對轉換效率之探討.58

第五章 結論60

參考文獻61

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