以硒化銦和,作為緩衝層之硒化銅銦鎵薄膜太陽能電池

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姓名

李芳存(fang tsun li) 查詢紙本館藏

畢業系所

電機工程學系

論文名稱

以硒化銦和,作為緩衝層之硒化銅銦鎵薄膜太陽能電池
(CIGS thin film solar cell with In2Se3 and Cu2Se buffer layers)

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摘要(中)

本論文主要研究內容為成長Al/AZO/ZnO/In2Se3/Cu2Se/CIGS/Mo/SLG結構之薄膜太陽能電池(CIGS solar cell)，Al上電極使用電子槍蒸濺鍍系統成長，其餘各層薄膜皆以濺鍍方式成長，並針對元件進行直流量測、分析與討論。目前已做出具有轉換效率之硒化銅銦鎵薄膜太陽能電池，並在AM1.5之標準光源下，量測元件開路電壓Voc = 126 mV，短路電流密度Jsc = 1.366 mA/cm2，填充因子F.F = 39.46 %，而轉換效率則為0.068 %，接面理想因子η為3.63。由元件順向偏壓分析，推論空乏區內主要由複合電流所主導，所以需改善元件的接面問題以及CIGS薄膜品質，以增進元件效率。

摘要(英)

This project focuses on fabrication of Al/AZO/ZnO/In2Se3/Cu2Se/CIGS/Mo/ SLG thin film solar cell (CIGS solar cell). The metal grid Al was fabricated by E-Gun evaporator and other films were deposited by sputtering. Detailed film analysis and discussion were carried out after film deposition immediately for the CIGS solar cell performance. The analysis includes X-ray, UV-NIR, Hall-measurement, EDS, SEM, 4-points resistance measurement.
The fabricated CIGS thin film solar cell demonstrated preliminary results. By AM1.5 measurement, the measured open-circuit voltage (Voc) is 126 mV, the short-circuit current density (Jsc) is 1.366 mA/cm2, Fill Factor (FF) is 39.46 %, and the conversion efficiency is 0.068 %. The junction ideality factor in the forward diode measurement is about 3.63, which shows the major recombination current in the device with high turn-on resistance. To further improve the quality of absorber layer CIGS and the junctions would be able to obtain improved cell efficiency.

關鍵字(中)

★ 硒化銅
★ 硒化銅銦鎵
★ 硒化銦

關鍵字(英)

★ Cu(In
★ Ga)Se2
★ In2Se3
★ Cu2Se

論文目次

摘要 II
Abstract III
目錄 IV
圖目錄 VI
表目錄 IX
第一章簡介 1
1.1 前言 1
1.2 太陽能電池介紹 2
1.2.1 各類太陽能電池 2
1.2.2 太陽光譜 4
1.2.3 太陽能電池工作原理 5
1.3 CIGS太陽能電池特性與發展 7
1.4 研究目的與動機 8
1.5 研究摘要 9
第二章 CIGS太陽能電池設計與製作 10
2.1 簡介 10
2.2元件設計分析與探討 10
2.3 元件製作流程 14
2.4 薄膜成長之儀器 19
2.5 薄膜特性分析之儀器 21
2.6 結論 25
第三章結果與討論 26
3.1 前言 26
3.2 薄膜部分 26
3.2.1 Mo背電極之鍍製 26
3.2.2 CIGS主吸收層之鍍製 29
3.2.3 Cu2Se緩衝層之鍍製 34
3.2.4 In2Se3緩衝層之鍍製 36
3.2.5 ZnO透光層之鍍製 39
3.2.6 AZO透光層之鍍製 43
3.2.7 Ni/Al/Ni上電極之製作 47
3.3 元件製作與量測 49
3.3.1 元件特性之參數簡介 49
3.3.2 電流-電壓之曲線量測與討論 50
3.4 結論 59
第四章結論與未來工作 60
參考文獻 61

參考文獻

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指導教授

辛裕明(Yue-ming Hsin)

審核日期

2009-7-17

推文