Please use this identifier to cite or link to this item: http://hdl.handle.net/11455/3927
DC FieldValueLanguage
dc.contributor衛子健zh_TW
dc.contributorTzu-Chien Weien_US
dc.contributor李明威zh_TW
dc.contributorMing-Way Leeen_US
dc.contributor.advisor陳志銘zh_TW
dc.contributor.advisorChih-Ming Chenen_US
dc.contributor.author蔡婷雅zh_TW
dc.contributor.authorTsai, Ting-Yaen_US
dc.contributor.other中興大學zh_TW
dc.date2012zh_TW
dc.date.accessioned2014-06-06T05:33:06Z-
dc.date.available2014-06-06T05:33:06Z-
dc.identifierU0005-2707201114314800zh_TW
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dc.identifier.urihttp://hdl.handle.net/11455/3927-
dc.description.abstract此研究以H2O2 (hydrogen peroxide)預處理後的鈦金屬片作為一個高效的鈦基材光電極以背向照光之染料敏化太陽能電池。利用H2O2在鈦基材上進行氧化/蝕刻反應,生成多孔網狀結構的氧化鈦薄膜,增加鈦金屬的表面積並作為光電極基材使用,此結構可增加網印的奈米TiO2顆粒與鈦金屬基材的接附面積。使用H2O2在鈦金屬基材所生成的氧化鈦薄膜層是直接生長在鈦金屬基材上,與基材有非常良好的接附性;且在表面所生成的多孔網狀結構的生長方向是近似垂直,可提供奈米TiO2顆粒到鈦金屬基材之間的電子轉移、注入和收集都有著明顯的改善,可以從電荷轉移阻抗(charge transfer resistance, R1)值降低和增加電子壽命(lifetime, τn)來證實。 未經任何處理的鈦金屬基材與經過H2O2氧化/蝕刻處理的鈦金屬基材光電極所組成染料敏化太陽能電池作比較,在AM1.5光源下以背向照光發現短路電流(short circuit current density, JSC )從8.55上升至16.43 mA/cm2,其光電轉換效率(energy conversion efficiency, η)從4.68上升至7.42% 。zh_TW
dc.description.abstractIn this study, titanium (Ti) was selected as photoanode substrate, and the H2O2 (hydrogen peroxide) pretreatment is performed on a Ti foil as an efficient photoanode substrate for DSSCs. The Ti surface was etched by the H2O2 solution, resulting in the formation of porous TiO2 nanostructure, which increase the contact area between screen-printed TiO2 nanoparticles and Ti substrate. Here, we introduce the H2O2 etching approach to form a robust and porous TiO2 nanostructures which directly formed on the Ti substrates, therefore the adherence was promoted. Moreover, the porous TiO2 nanostructures were vertically oriented to Ti substrate and provide electron transfer, injection, and collection from TiO2 nanoparticles to Ti substrate. Therefore it was improved by the reduced R1 resistance (charge transfer resistance) on the photoanode and the electron lifetime was prolong. Compared with DSSCs based on non-treated Ti photoanode, DSSCs with this H2O2 oxidation/etching Ti photoanode exhibits a remarkable increase in short-circuit current density (from 8.55 to 16.43 mA/cm2) as well as light- to- electricity conversion efficiency (from 4.68 to 7.42 %) under AM 1.5 back-side illumination.en_US
dc.description.tableofcontents目次(含頁碼) 謝誌 I 摘要 II Abstract III 目錄 IV 表目錄 VI 圖目錄 VII 第一章 緒論 1 1-1 前言 1 1-1-1 能源危機與再生能源 1 1-1-2 太陽能電池之發展 2 1-2 研究動機與目的 4 第二章 文獻回顧 6 2-1 染料敏化太陽能電池由來簡介 6 2-2 染料敏化太陽能電池的結構及運作機制 7 2-3 奈米結晶光電極—TiO2半導體 11 2-4 染料分子 12 2-5 電解液系統 13 2-6 太陽能電池性能 14 2-7 鈦金屬之物理特性 16 2-8 不同基材之TiO2光電極 17 2-8-1 Ti/TiO2光電極 17 2-8-2 其他金屬基材/TiO2光電極 20 2-9 化學氧化處理鈦基材 24 2-9-1 鈦金屬和H2O2溶液的化學反應式 26 2-10 兼具透光性與催化性之白金對電極 29 2-11 熱處理對染料敏化太陽能電池光電極之影響 29 2-11-1 熱處理對TiO2的影響 29 2-11-2 熱處理對鈦和奈米顆粒TiO2的結構影響 30 2-12 量測儀器 32 2-12-1 交流阻抗分析 32 2-12-2 IMPS/IMVS 33 2-12-3 UV-vis光譜儀 34 2-12-4 原子力顯微鏡 35 第三章 實驗方法與設備 36 3-1 實驗儀器與設備 36 3-2 實驗方法 37 3-2-1 製備多孔性網狀結構之氧化鈦 37 3-2-2 製備光電極基材 38 3-2-3 製備具高穿透性的白金對電極 39 3-2-4 染料之製備與浸泡染料之過程 40 3-2-5 液態電解液之製備 41 3-2-6 熱封膜(Spacer) 42 3-3 太陽能電池元件光電測試 44 3-4 電化學交流阻抗圖譜分析 44 3-5 SEM表面形態分析 44 3-6 紫外光—可見光光譜儀 44 3-7 X光繞射分析儀 45 3-8 AFM分析 45 3-9 穿透式電子顯微鏡分析 45 第四章 結果與討論 46 4-1 化學氧化/蝕刻鈦金屬生長氧化鈦薄膜 46 4-1-1 不同氧化/蝕刻時間之表面形態與厚度 46 4-1-2 溫度對經過化學氧化/蝕刻鈦金屬片之影響 53 4-1-3 以TEM分析經氧化/蝕刻生成之二層不同形態薄膜 55 4-1-4 經氧化/蝕刻生成之二氧化鈦薄膜層晶型結構的變化 60 4-1-5 不同氧化/蝕刻時間之表面粗糙度 62 4-2 製備高穿透度和良好觸媒活性的白金對電極 63 4-3 染料敏化太陽能電池之效能表現 66 4-4 電化學交流阻抗分析 70 4-5 IMVS分析 74 第五章 結論 76 參考文獻 77zh_TW
dc.language.isoen_USzh_TW
dc.publisher化學工程學系所zh_TW
dc.relation.urihttp://www.airitilibrary.com/Publication/alDetailedMesh1?DocID=U0005-2707201114314800en_US
dc.subjectDye-sensitized solar cellsen_US
dc.subject染料敏化太陽能電池zh_TW
dc.subjecthydrogen peroxideen_US
dc.subjecttitaniumen_US
dc.subject雙氧水zh_TW
dc.subject鈦金屬zh_TW
dc.title以鈦為光電極基材之染料敏化太陽能電池之研發zh_TW
dc.titleThe Application of Titanium as Photoelectrode Substrate Utilizing in Dye Sensitized Solar Cellsen_US
dc.typeThesis and Dissertationzh_TW
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