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研究生: 徐匯凱
Hsu Hui Kai
論文名稱: 並五苯/駢苯衍生物(pentacene/PTCDI-C13H27)太陽能電池的電場調制光譜研究
指導教授: 陸健榮
學位類別: 碩士
Master
系所名稱: 物理學系
Department of Physics
論文出版年: 2008
畢業學年度: 96
語文別: 中文
論文頁數: 142
中文關鍵詞: 並五苯駢苯衍生物調制光譜太陽能電池
論文種類: 學術論文
相關次數: 點閱:183下載:11
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  • 本論文研究的主題為並五苯/駢苯衍生物(pentacene/PTCDI-C13)太陽能電池的電場調制光譜。對樣品施加電場產生斯塔克效應(Stark effect)後,將得到調制光譜進行擬合,可得到各個主要結構隨著調制電壓和和外加直流壓,對於不同溫度的變化趨勢。施加交流調制電壓時,躍遷能量1.85 eV、1.97 eV的譜形結構由高斯一次和二次微分譜形所組成,2.12 eV和2.17 eV的譜形結構由高斯一次微分譜形所組成。在外加直流偏壓調制光譜的部份中,當直流偏壓達到反相臨界偏壓時,譜形會有所顛倒,而躍遷能量1.85 eV、1.97 eV和2.17 eV的譜形結構,主要由高斯一次微分函數的譜形所組成,2.56 eV的譜形結構由高斯一次和二次微分譜形所組成。藉由電場調制光譜的譜圖分析,即可得知樣品內部的光學躍遷機制和載子傳輸等訊息。

    第一章 並五苯/駢苯衍生物(pentacene/PTCDI−C13H27 )太陽能電池...5 1-1 激子理論...............................................5 1-2 並五苯(pentacene)簡介..................................9 1-3 駢苯衍生物(PTCDI)簡介..................................12 1-4 太陽能電池種類簡介......................................16 1-4-1 無機太陽能電池種類....................................16 1-4-2 有機太陽能電池種類....................................17 1-5 無機太陽能電池工作原理..................................18 1-6 有機太陽能電池工作原理..................................23 第二章 實驗原理及方法.......................................32 2-1 有機半導體躍遷機制......................................32 2-2 電子躍遷理論...........................................35 2-3 物質的光學常數.........................................40 2-4 電場調制光譜的基本理論..................................45 2-5 斯塔克效應.............................................51 2-5-1 線性斯塔克效應.......................................53 2-5-2 二次斯塔克效應.......................................55 2-5-3 斯塔克效應在電場調制光譜的應用........................ 58 2-6 電場調制光譜的實驗原理..................................63 2-6-1 透射................................................63 2-6-2 反射................................................66 2-7 各種內部電場分佈下的電場調制光譜訊號......................68 2-7-1 均勻分佈.............................................68 2-7-2 類簫基特二極體分佈....................................71 2-7-3 空間電荷侷限分佈......................................73 2-8 鎖相放大器原理.........................................76 第三章 實驗及裝置...........................................82 3-1 樣品結構...............................................82 3-2 吸收光譜實驗裝置及流程..................................84 3-3 電場調制光譜實驗裝置及流程...............................86 第四章 譜形分析與討論.......................................90 4-1 電場調制光譜的結果與分析.................................92 4-2 交流電壓對調制光譜的譜峰位置和強度的影響..................104 4-3 溫度對交流電壓調制光譜的影響............................110 4-4 直流偏壓對電場調制光譜的影響............................122 第五章 結論與展望..........................................141

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