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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/5794

Title: 具手徵選擇性之單壁奈米碳管應用於聚(3-己烷基噻吩)混層異質接面太陽能電池之研究
Application of chirality-selected single walled carbon nanotubes to poly(3-hexylthiophene)-based bulk heterojunction solar cells
Authors: Shih-Chang Chen
Contributors: NTOU:Institute of Optoelectronic Sciences
Keywords: 單壁奈米碳管;聚(3-己烷基噻吩)
Date: 2010
Issue Date: 2011-06-22T08:38:09Z
Abstract: 本論文中成功達成幾項重要成果:其一,我們使用選擇手徵性(6,5)-SWCNT應用於P3HT:PCBM混層太陽能電池,成功達成最高達5.25%的轉換效率(平均值3.47%)。其二、我們首次完成選擇性手徵性(6,5)-SWCNT與P3HT之混層太陽能電池,製程穩定可在SWCNT濃度僅0.034%時達0.006%效率;我們並發現可以過濾方式避免元件短路問題。最後,我們以實驗證明超音波對SWCNT分散於P3HT的影響: 分散良好的P3HT:SWCNT混層,有助於激子在有限壽命或遷移長度下到達接面,幫助載子分離。
In this thesis, several important results were achieved. First, semiconducting SWCNTs with (6,5) chirality were added into the active layer of P3HT:PCBM bulk-heterojunction solar cells, with a maximum conversion efficiency of 5.25% (3.47% in average) attained. Then, the (6,5)-SWCNTs were blended with P3HT (no PCBM used) for bulk hetero-junction solar cells. P3HT:(6,5)-SWCNT solar cells with a stable photovoltaic behavior, resulting in a conversion efficiency of 0.006% at only 0.034% concentration of (6,5)-SWCNT, was realized. It was found that SWCNTs, if filtered, with shorter lengths, would help preventing shorts in solar cell fabrication. Finally, we proved that suitable supersonic dispersion did help formation of a photovoltic P3HT:(6,5)-SWCNT solar cell, as the photo induced excitons could have better chance arriving the p-n junctions for charge seperations in case the SWCNTs were well-dispered.
URI: http://ethesys.lib.ntou.edu.tw/cdrfb3/record/#G0M97880022
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