臺灣博碩士論文加值系統

此論文為發展反式有機太陽能電池之有機電洞傳輸層。利用氧化鋅奈米粒子(ZnO Nanoparticle) sol-gel塗佈於ITO玻璃基板上。接著塗佈主動層材料P3HT:PCBM於氧化鋅奈米粒子塗層上，最後蒸鍍銀電極。此結構為太陽能電池的標準試片。本實驗利用水溶液法，於反式有機太陽能電池主動層表面上塗佈PEDOT:PSS電洞傳輸層，並觀察表面性質及元件性能表現。
　　我們發現將界面活性劑正戊硫醇(1-Pentanethiol)添加至PEDOT:PSS溶液裡使PEDOT:PSS水溶液為疏水性並可以塗佈於主動層表面。我們利用不同比例的PEDOT:PSS與正戊硫醇水溶液，塗佈於主動層觀察其表面及元件效率變化，實驗結果表示塗佈PEDOT:PSS與0.5%正戊硫醇水溶液電洞傳輸層後的元件效率會降低。
根據此實驗結果可以得知，添加PEDOT:PSS與正戊硫醇並可提升元件壽命，但無法提高元件效率，原因可能為添加的界面活性劑正戊硫醇為絕緣體，因此使導電率降低、電流降低。

In this study, we focused on developing organic hole transport layer for inverted organic solar cells. We spin coat ZnO nanoparticle sol-gel on the ITO substrate followed by spin coating P3HT:PCBM on ZnO nanoparticle as the active layer, and finally depositing Ag on the active layer. The structure of this device is standard device. We add a hole transport layer by spin coating PEDOT:PSS solution doped with 1-pentanethiol on the active layer and discuss the performance of those devices.
We found that 1-pentanethiol doped PEDOT:PSS solution became hydrophobic and can be deposited on the active layer .We have tried different doping amounts of 1-pentanethiol, and compared the performance among those devices. We found the power conversion efficiency(PCE) will be lower after incorporating PEDOT:PSS with 0.5% 1-pentanethiol.According to the result of this study, spin coating PEDOT:PSS can improve devices’ lifetime but won't improve the performance of devices. The reasons for the decreased PCE of solar cells may be because that 1-pentanethiol is insulator, and can reduce the electric conductivity of the device.

致謝 II
口試委員審定書 III
中文摘要 IV
英文摘要 V
圖目錄 VIII
表目錄 X
第一章、緒論 1
第二章、太陽能電池理論與文獻回顧 3
2-1有機太陽能電池工作原理 3
2-2太陽能電池工作參數 4
2-3文獻回顧 6
2-4實驗動機 9
第三章、實驗方法與儀器介紹 10
3-1材料介紹 10
3-2實驗方法 13
3-2-1元件基板清洗與準備 13
3-2-2氧化鋅奈米粒子的製程 14
3-2-3反式有機太陽能電池製程 15
3-2-4有機高分子太陽能電池量測 178
3-3實驗儀器介紹 18
3-3-1可見光/紫外光分光光譜儀，UV-VIS Spectophotometer 18
3-3-2熱蒸鍍機，Thermalevaporation 19
3-3-3太陽光模擬器，Solar simulator 20
3-3-4外部量子效率量測系統；EQE system 21
3-3-5表面能、接觸角量測儀 22
3-3-6原子力顯微鏡；(atomic force microscope) 23
3-3-7場發射式電子顯微鏡，(Field-Emission Scanning Electron Microscope,FE-SEM) 24
第四章結果與討論 26
4-1氧化鋅奈米粒子結構 26
4-2有機太陽能電池中各種材料的光吸收波段 27
4-3不同濃度PEDOT:PSS/1-Pentanethiol於主動層上的表面性質量測 29
4-4不同濃度PEDOT:PSS/1-Pentanethiol對有機反式太陽能電池性能之影響 33
4-5不同濃度PEDOT:PSS/1-Pentanethiol 導電率量測 36
4-6不同濃度PEDOT:PSS/1-Pentanethiol 對元件壽命的影響 37
第五章結論 40
第六章參考文獻 41

 

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