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研究生:田宗正
研究生(外文):Tsung-Cheng Tien
論文名稱:液態/膠態/全固態電致色變元件之比較
論文名稱(外文):The liquid/sol-gel/all solid state of the electrochromic devices comparison
指導教授:鄭文達鄭文達引用關係
指導教授(外文):Wern-Dare Jehng
學位類別:碩士
校院名稱:國立勤益科技大學
系所名稱:機械工程系
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:2012
畢業學年度:100
語文別:中文
論文頁數:102
中文關鍵詞:全固態電致色變氧化鉭氧化鎳氧化鎢
外文關鍵詞:All-solid-state Electrochromic deviceTa2O5NiOxWO3
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電致色變材料經常被使用在阻隔太陽光輻射的應用,以達到節能、濾光及調節光源等功用。在材料與元件的研究開發上,最早被使用的還原態與氧化態著色材料分別是WO3與NiOx變色薄膜,且具有較高著色效率、可逆性且價格低的特性。而相對於液態或膠態電致色變元件之問題,全固態電致色變元件( all-solid-state
ECD )是達到商業化重要指標,其中關鍵在於電解質變化。
故本研究採用射頻濺鍍法在基材ITO玻璃上依序沉積變色層NiOx、薄膜式電解質層-Ta2O5薄膜、輔助變色層WO3薄膜與電極ITO薄膜,來封裝成元件,其元件組成結構為Glass/ITO/NiOx/Ta2O5/WO3/ITO。探討改變電致色變元件結構變化之影響,首先比較液態/膠態/全固態電解質之電致色變元件;再探討不同ITO厚度對電致色變元件影響;最後批覆Cu金屬薄膜於電致色變元件之電極,依照分佈不同共有五種結構,再藉由量測穿透度、循環伏安法,進而探討電致色變元件性能變化。
實驗結果,必須製備出完整變色的全固態電致色變元件,並得知ITO-20min元件擁有最佳的變色反應,可達44%著色效果,幾乎達到液態電致色變元件的著色效果;當ITO薄膜太厚會影響其效果,得知ITO-40min元件反應不良,藉由小面積ITO-40min元件中發現ITO-40min元件是完善的,反應不良是因電子遷移方式改變,依此製備對照組Cu/ITO-40min元件來判斷電子遷移問題,並改善ITO-40min元件著色/退色反應的問題;最後添加Cu薄膜於電致色變元件之上,增加其電極導電性,進而提升元件的反應性能,從中得知L型Cu金屬線元件擁有完善的著色現象,亦有極佳的退色反應。

Electrochromic materials ready to use to block the application of solar radiation, up to save energy, filter and heat radiation, regulate light functions. Research and development of materials and devices, the first being the use of oxidized state NiOx thin films and reduced state WO3 thin films of coloring materials, and high coloration efficiency, reversibility, low cost and nontoxic properties. In contrast to the conventional electrochromic devices, the all-solid-state electrochromic is the key technique toward commercial products of their applications.
In this study, prepared by Glass/ITO/WO3/Ta2O5/NiOx/ITO structure to assemble the all-solid-state electrochromic device, where ITO glass as the electrode substrate, by RF sputtering to deposit NiOx as the electrochromic layer, Ta2O5 as the solid electrolyte, WO3 as the complementary layer and deposited ITO as the top transparent electrode, and change the structure of electrochromic device change.
The first, the liquid/sol-gel/all solid state of the electrochromic devices comparison; And then explore the different ITO thickness of the electrochromic element impact; Finally, the Cu film covered in the electrochromic component electrode above, in accordance with the distribution of a total of five structures. By measuring the transmittance, cyclic voltammetry, and then explore the changes of the electrochromic device performance.
Experimental results, the preparation must be complete discoloration of all solid-state electrochromic devices, and was informed that the ITO-20min device has the best color reaction, up to 44% coloring effect, almost the coloring effect of the liquid electrochromic devices. ITO film is too thick will affect the performance, to know the ITO-40min device performance is poor. By a small area of ITO-40min device to know ITO-40min device is feasible, preparation of the control group Cu/ITO-40min devices to determine the electron mobility, Improvement of ITO-40min device coloring/bleaching response. Finally add Cu metal line on electrochromic components, and increase the electrode conductivity. Enhance the performance of components, to know the L-type Cu metal line components has a perfect coloring phenomenon, also excellent bleaching reaction.

致 謝 I
摘 要 II
Abstract IV
目 錄 VI
表 目 錄 VIII
圖 目 錄 IX
第一章 緒論 1
1.1 前言 1
1.2 研究動機與目的 6
1.3 實驗流程 7
第二章 文獻回顧與理論基礎 8
2.1 電致色變簡介 8
2.2 電致色變材料發展概述 9
2.3 電致色變元件 12
2.4 電致色變機制 19
2.5 薄膜原理 23
2.6 循環伏安法分析 29
第三章 實驗藥品與儀器 30
3.1 實驗的藥品 30
3.2 實驗的儀器 30
3.3 設備介紹 31
第四章 液態/膠態/全固態電致色變元件之比較 37
4.1 實驗目的 37
4.2 實驗方法 37
4.3 實驗結果 40
4.4 實驗討論 48
4.5 歸納 52
第五章 全固態電致色變元件之ITO的電子遷移機制 53
5.1 實驗目的 53
5.2 實驗方法 54
5.3 實驗結果 60
5.4 實驗討論 71
5.5 歸納 75
第六章 電極接觸型式對全固態電致色變元件影響 76
6.1 實驗目的 76
6.2 實驗方法 76
6.3 實驗結果 80
6.4 實驗討論 91
6.5 歸納 94
第七章 結論 95
第八章 未來展望 96
參考文獻 97

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