研究生: |
孫裕凱 Yu-Kai SUN |
---|---|
論文名稱: |
陽極處理法製備二氧化鈦奈米管應用於正照光式染料敏化太陽能電池之研究 Growth of Titanium Oxide Nanotubes Structure applications in Front side illumination type Dye-Sensitized Solar Cells by using Electrochemical method |
指導教授: |
郭金國
Kuo, Chin-Guo |
學位類別: |
碩士 Master |
系所名稱: |
工業教育學系 Department of Industrial Education |
論文出版年: | 2014 |
畢業學年度: | 102 |
語文別: | 中文 |
論文頁數: | 74 |
中文關鍵詞: | 染料敏化太陽能電池 、二氧化鈦奈米管 、電化學陽極處理法 、正照光 、正丁氧基鈦 |
英文關鍵詞: | Dye-sensitized solar cells, TiO2 nanotubes, Electrochemical method, Front side illumination, Titanium(IV) n-butoxide |
論文種類: | 學術論文 |
相關次數: | 點閱:139 下載:8 |
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本研究將以一次、二次電化學陽極處理法製備二氧化鈦奈米管薄膜,運用於正照光式的染料敏化太陽能電池之中。過程中將以純度鈦薄板(99.7%)作為陽極;鉑(Pt)為陰極為陰極,浸泡在氟化銨(Ammonium Fluoride, NH4F) 溶質及過氧化氫(Hydrogen peroxide, H2O2)、乙二醇(Ethylene Glycol, EG)溶劑所調配之電解液中,並提供一個穩定電壓,進而促成二氧化鈦奈米管生長,實驗的變因為時間,以小時為單位,研究陽極處理的時間長短對於管長的影響,而二次陽極處理的部分,主要為成長非晶結構後利用選擇性溶液溶解界面,得到可透光的二氧化鈦薄膜,再運用薄膜轉移法製備出正照光型式的染料敏化太陽能電池,運用不同照光的型式,探討其對於染料敏化太陽能電池光電轉換效率之影響。
本研究製備出的正照光式染料敏化太陽能電池使用N719染料為染料光敏化劑,入射光強度為100 mW/cm2情況下,當管長為31.1 μm時,其短路電流Jsc為13.2 mA/cm2、開路電壓Voc為0.73 V、填充因子FF為0.65、光電轉換效率η為6.31%,如再利用Titanium(IV) n-butoxide (TnB)增加二氧化鈦奈米管面積後,因染料吸附增加,開路電壓Voc、短路電流Jsc提升,光電轉換效η更可高達7.13%,為目前實驗測得最高效率之結果。
In this study, the major purpose is to apply the first step and second step electrochemical method prepared of titanium dioxide nanotubes films in the front side of illumination-type dye-sensitized solar cells.
To produce TiO2 nanotube, we conducted the experiment through electrochemical method by using high purity titanium (99.7%) as anode and platinum as cathode. The electrolyte is a mixed solution, which is a kind of electrolyte consisting of Ammonium fluoride (NH4F), Hydrogen peroxide (H2O2) and Ethylene glycol (EG).
During the experiment, our variable parameter is time, and we use hour as a unit. We observed how the different parameters affect the length of nanotubes. As for the second step electrochemical method treatment, it primarily grows to amorphous structure. Afterwards, we use selective solution to dissolute its interface. Then we can obtain a transparent titanium dioxide film. Finally, we use the transfer approach film to form a prepared front side illumination type of dye-sensitized solar cells. We use the different illumination parameters to study on how the exposure effects on the conversion efficiency of dye-sensitized solar cells photovoltaic.
In this study, we sensitized the anode with N719 dye and exposed it to the light. The intensity of the light is 100 mW/cm2, and property of the light is 31.1 μm long with Jsc = 13.2 mA/cm2, Voc = 0.73 V, FF = 0.65, η = 6.31%. Furthermore, if we increase the area of TiO2 nanotubes by Titanium(IV) n-butoxide, the open circuit voltage (Voc) and short circuit current density (Jsc) can be increased to a higher level; especially the photoelectric conversion efficiency η can be increased to 7.13%, which is measured the highest photoelectric conversion efficiency.
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