博碩士論文 101226045 詳細資訊




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姓名 張凱傑( Kai-chieh Chang)  查詢紙本館藏   畢業系所 光電科學與工程學系
論文名稱 光激發額外載子於太陽能電池內空間分佈之二維軸對稱與二維線對稱物理參數模擬
(The physical parameters simulation of the distribution of the excess carrier in solar cells with two-dimensional axial symmetry and line symmetry)
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摘要(中) 本研究利用額外載子速率方程式(rate equation)與柏松方程式(Poisson’s equation)耦合,利用有限元素分析法得到額外載子於矽晶圓與太陽能電池之額外載子的空間分佈,從額外載子的空間分佈可以得到螢光與電場內部的分佈,再藉由著邊界條件的設定,控制太陽能電池電流的輸出以及整體額外載子生命期,可以得到電流與電壓曲線與額外載子生命期的關係,同時可藉由著額外載子生命期於空間上的分佈,模擬光致發光法缺陷對於螢光分佈影響,最後從模擬出來的缺陷影響螢光結果可推算缺陷影響螢光的點擴散方程,點擴散方程即可利用摺積的方式快速地得到缺陷對螢光的影響。
摘要(英) In this study, with the rate equation of excess carrier Poisson’s equation and finite element method, the distribution of excess carrier in wafers and solar cells can be obtained. By the obtained the distribution of excess carrier, the distribution of photoluminescence and electric field can be solved. With changing the boundary setting, the current output can be controlled and the J-V curve in different excess carrier lifetime can be obtained. Also, how a defect influence photoluminescence can be simulated by setting the distribution of excess carrier lifetime. The result of simulation can be written as point spread which can quickly obtain how a defect influences PL by convolution.
關鍵字(中) ★ 太陽能電池
★ 矽晶圓
★ 光致發光
★ 額外載子生命期
關鍵字(英) ★ solar cell
★ wafer
★ photoluninescence
★ excess carrier lifetime
論文目次 摘要 i
Abstract ii
致謝 iii
目錄 iv
圖目錄 vi
表目錄 ix
第一章 緒論 1
1-1 前言 1
1-2 文獻回顧 2
1-3 研究動機 4
1-4 論文架構 5
第二章 理論背景 6
2-1 矽晶太陽能電池製程簡介 6
2-2 太陽能電池發電原理 7
2-3 PN接面 8
2-4 額外載子與螢光空間分佈 11
2-4-1 吸收率 11
2-4-2 額外載子產生率 12
2-4-3 載子漂移 13
2-4-4 載子擴散 17
2-4-5 額外載子生命期 18
2-4-6 載子速率方程式(rate equation) 20
2-4-7 螢光與載子的關係 22
2-4-8 輻射復合係數 23
第三章 模擬分析 26
3-1 有限元素分析流程 26
3-2 一維模擬分析 27
3-2-1 額外載子分佈 27
3-2-2 表面缺陷 30
3-2-3 J-V curve 31
3-2-4 PL實驗誤差模擬 33
3-3 二維模擬 35
3-3-1 二維簡化 35
3-3-2 二維缺陷分佈模擬 36
3-3-3 電極模擬 43
3-4 二維缺陷分析 46
3-5 圖像模擬 54
第四章 結論 56
第五章 未來展望 57
參考文獻 58
附錄一 61
參考文獻 參考文獻
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指導教授 鍾德元(Te yuan Cung) 審核日期 2014-1-24
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