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研究生: 鄭博文
Cheng, Po-Wen
論文名稱: 藉由旋轉塗佈法製備高穩定性之p-type氧化鋅
Fabrication of P-Type Li-Doped MgZnO Films by Spin-Coating
指導教授: 簡朝和
口試委員: 吳志明,
許志雄
學位類別: 碩士
Master
系所名稱: 工學院 - 材料科學工程學系
Materials Science and Engineering
論文出版年: 2014
畢業學年度: 102
語文別: 中文
論文頁數: 47
中文關鍵詞: p-type 氧化鋅旋轉塗布法熔膠凝膠
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  • 本實驗利用濕式化學合成的方式,將醋酸鋅、醋酸鎂及醋酸鋰溶於正丙醇中,並加入單乙醇胺作為穩定劑,於70oC、300rpm下成功製備出透明澄清之穩定LiMgZnO溶膠,再利用旋轉塗佈的方式將LiMgZnO漿料均勻鍍於玻璃基板之上。將試片置於管爐中以500oC退火兩小時,得到純相的wurtzite,於可見光範圍其穿透率均大於80%具有良好穿透率,實驗結果中當Mg=10mol%,具有最高之載子遷移率為120 cm2/Vs,再藉由添加Li,當Li=0.4mol%取代Zn可產生較高之載子濃度高達2.6*1012 cm-3,載子遷移率為130 cm2/Vs,其原因為Li取代Zn會因為缺陷化學而產生大量電洞,因此得到一低電阻率、高載子濃度且穩定之p型LiMgZnO半導體。


    一.前言…………………………………………………………………...1 二.實驗方法……………………………………………………………...4 2.1 LiMgZnO合成與試片製作……………………………………4 2.1.1 LiMgZnO膠體溶液合成……………………………….4 2.1.2 LiMgZnO膜層鍍製…………………………………….4 2.1.3 霍爾量測試片製作…………………………………….5 2.2 物理性質量測…………………………………………………5 2.2.1 X-Ray 繞射分析………………………………………..5 2.2.2 穿透率量測……………………………………………..5 2.2.3 光致螢光光譜量測……………………………………..5 2.2.4 霍爾量測………………………………………………..6 2.2.5 微結構觀察……………………………………………..6 三.結果與討論…………………………………………………………...6 3.1 MgxZn1-xO………………………………………………………6 3.1.1 X-Ray 繞射分析………………………………………..6 3.1.2穿透率量測………………………………………………7 3.1.3光致螢光光譜量測………………………………………8 3.1.4霍爾量測…………………………………………………8 3.1.5 微結構觀察……………………………………………..9 3.2 LiyMg0.1Zn0.9-yO………………………………………………..10 3.2.1 X-Ray 繞射分析……………………………………….11 3.2.2穿透率量測……………………………………………..11 3.2.3光致螢光光譜量測……………………………………..12 3.2.4霍爾量測………………………………………………..12 3.2.5 微結構觀察……………………………………………13 四.結論………………………………………………………………….13 五.參考文獻……………………………………………………………13

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